The entirety of pci_iomap.c is guarded by an #ifdef CONFIG_PCI. It,
consequently, does not belong to lib/ because it is not generic
infrastructure.
Move pci_iomap.c to drivers/pci/ and implement the necessary changes to
Makefiles and Kconfigs.
Update MAINTAINERS file.
Update Documentation.
Link: https://lore.kernel.org/r/20240131090023.12331-3-pstanner@redhat.com
[bhelgaas: squash in https://lore.kernel.org/r/20240212150934.24559-1-pstanner@redhat.com]
Suggested-by: Danilo Krummrich <dakr@redhat.com>
Signed-off-by: Philipp Stanner <pstanner@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'v6.8-rc-part2-smb-client' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client updates from Steve French:
"Various smb client fixes, including multichannel and for SMB3.1.1
POSIX extensions:
- debugging improvement (display start time for stats)
- two reparse point handling fixes
- various multichannel improvements and fixes
- SMB3.1.1 POSIX extensions open/create parsing fix
- retry (reconnect) improvement including new retrans mount parm, and
handling of two additional return codes that need to be retried on
- two minor cleanup patches and another to remove duplicate query
info code
- two documentation cleanup, and one reviewer email correction"
* tag 'v6.8-rc-part2-smb-client' of git://git.samba.org/sfrench/cifs-2.6:
cifs: update iface_last_update on each query-and-update
cifs: handle servers that still advertise multichannel after disabling
cifs: new mount option called retrans
cifs: reschedule periodic query for server interfaces
smb: client: don't clobber ->i_rdev from cached reparse points
smb: client: get rid of smb311_posix_query_path_info()
smb: client: parse owner/group when creating reparse points
smb: client: fix parsing of SMB3.1.1 POSIX create context
cifs: update known bugs mentioned in kernel docs for cifs
cifs: new nt status codes from MS-SMB2
cifs: pick channel for tcon and tdis
cifs: open_cached_dir should not rely on primary channel
smb3: minor documentation updates
Update MAINTAINERS email address
cifs: minor comment cleanup
smb3: show beginning time for per share stats
cifs: remove redundant variable tcon_exist
- Add Namhyung Kim as tools/perf/ co-maintainer, we're taking turns processing
patches, switching roles from perf-tools to perf-tools-next at each Linux
release.
Data profiling:
- Associate samples that identify loads and stores with data structures. This
uses events available on Intel, AMD and others and DWARF info:
# To get memory access samples in kernel for 1 second (on Intel)
$ perf mem record -a -K --ldlat=4 -- sleep 1
# Similar for the AMD (but it requires 6.3+ kernel for BPF filters)
$ perf mem record -a --filter 'mem_op == load || mem_op == store, ip > 0x8000000000000000' -- sleep 1
Then, amongst several modes of post processing, one can do things like:
$ perf report -s type,typeoff --hierarchy --group --stdio
...
#
# Samples: 10K of events 'cpu/mem-loads,ldlat=4/P, cpu/mem-stores/P, dummy:u'
# Event count (approx.): 602758064
#
# Overhead Data Type / Data Type Offset
# ........................... ............................
#
26.09% 3.28% 0.00% long unsigned int
26.09% 3.28% 0.00% long unsigned int +0 (no field)
18.48% 0.73% 0.00% struct page
10.83% 0.02% 0.00% struct page +8 (lru.next)
3.90% 0.28% 0.00% struct page +0 (flags)
3.45% 0.06% 0.00% struct page +24 (mapping)
0.25% 0.28% 0.00% struct page +48 (_mapcount.counter)
0.02% 0.06% 0.00% struct page +32 (index)
0.02% 0.00% 0.00% struct page +52 (_refcount.counter)
0.02% 0.01% 0.00% struct page +56 (memcg_data)
0.00% 0.01% 0.00% struct page +16 (lru.prev)
15.37% 17.54% 0.00% (stack operation)
15.37% 17.54% 0.00% (stack operation) +0 (no field)
11.71% 50.27% 0.00% (unknown)
11.71% 50.27% 0.00% (unknown) +0 (no field)
$ perf annotate --data-type
...
Annotate type: 'struct cfs_rq' in [kernel.kallsyms] (13 samples):
============================================================================
samples offset size field
13 0 640 struct cfs_rq {
2 0 16 struct load_weight load {
2 0 8 unsigned long weight;
0 8 4 u32 inv_weight;
};
0 16 8 unsigned long runnable_weight;
0 24 4 unsigned int nr_running;
1 28 4 unsigned int h_nr_running;
...
$ perf annotate --data-type=page --group
Annotate type: 'struct page' in [kernel.kallsyms] (480 samples):
event[0] = cpu/mem-loads,ldlat=4/P
event[1] = cpu/mem-stores/P
event[2] = dummy:u
===================================================================================
samples offset size field
447 33 0 0 64 struct page {
108 8 0 0 8 long unsigned int flags;
319 13 0 8 40 union {
319 13 0 8 40 struct {
236 2 0 8 16 union {
236 2 0 8 16 struct list_head lru {
236 1 0 8 8 struct list_head* next;
0 1 0 16 8 struct list_head* prev;
};
236 2 0 8 16 struct {
236 1 0 8 8 void* __filler;
0 1 0 16 4 unsigned int mlock_count;
};
236 2 0 8 16 struct list_head buddy_list {
236 1 0 8 8 struct list_head* next;
0 1 0 16 8 struct list_head* prev;
};
236 2 0 8 16 struct list_head pcp_list {
236 1 0 8 8 struct list_head* next;
0 1 0 16 8 struct list_head* prev;
};
};
82 4 0 24 8 struct address_space* mapping;
1 7 0 32 8 union {
1 7 0 32 8 long unsigned int index;
1 7 0 32 8 long unsigned int share;
};
0 0 0 40 8 long unsigned int private;
};
This uses the existing annotate code, calling objdump to do the disassembly,
with improvements to avoid having this take too long, but longer term a
switch to a disassembler library, possibly reusing code in the kernel will
be pursued.
This is the initial implementation, please use it and report impressions and
bugs. Make sure the kernel-debuginfo packages match the running kernel. The
'perf report' phase for non short perf.data files may take a while.
There is a great article about it on LWN:
https://lwn.net/Articles/955709/ - "Data-type profiling for perf"
One last test I did while writing this text, on a AMD Ryzen 5950X, using a distro
kernel, while doing a simple 'find /' on an otherwise idle system resulted in:
# uname -r
6.6.9-100.fc38.x86_64
# perf -vv | grep BPF_
bpf: [ on ] # HAVE_LIBBPF_SUPPORT
bpf_skeletons: [ on ] # HAVE_BPF_SKEL
# rpm -qa | grep kernel-debuginfo
kernel-debuginfo-common-x86_64-6.6.9-100.fc38.x86_64
kernel-debuginfo-6.6.9-100.fc38.x86_64
#
# perf mem record -a --filter 'mem_op == load || mem_op == store, ip > 0x8000000000000000'
^C[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 2.199 MB perf.data (2913 samples) ]
#
# ls -la perf.data
-rw-------. 1 root root 2346486 Jan 9 18:36 perf.data
# perf evlist
ibs_op//
dummy:u
# perf evlist -v
ibs_op//: type: 11, size: 136, config: 0, { sample_period, sample_freq }: 4000, sample_type: IP|TID|TIME|ADDR|CPU|PERIOD|IDENTIFIER|DATA_SRC|WEIGHT, read_format: ID, disabled: 1, inherit: 1, freq: 1, sample_id_all: 1
dummy:u: type: 1 (PERF_TYPE_SOFTWARE), size: 136, config: 0x9 (PERF_COUNT_SW_DUMMY), { sample_period, sample_freq }: 1, sample_type: IP|TID|TIME|ADDR|CPU|IDENTIFIER|DATA_SRC|WEIGHT, read_format: ID, inherit: 1, exclude_kernel: 1, exclude_hv: 1, mmap: 1, comm: 1, task: 1, mmap_data: 1, sample_id_all: 1, exclude_guest: 1, mmap2: 1, comm_exec: 1, ksymbol: 1, bpf_event: 1
#
# perf report -s type,typeoff --hierarchy --group --stdio
# Total Lost Samples: 0
#
# Samples: 2K of events 'ibs_op//, dummy:u'
# Event count (approx.): 1904553038
#
# Overhead Data Type / Data Type Offset
# ................... ............................
#
73.70% 0.00% (unknown)
73.70% 0.00% (unknown) +0 (no field)
3.01% 0.00% long unsigned int
3.00% 0.00% long unsigned int +0 (no field)
0.01% 0.00% long unsigned int +2 (no field)
2.73% 0.00% struct task_struct
1.71% 0.00% struct task_struct +52 (on_cpu)
0.38% 0.00% struct task_struct +2104 (rcu_read_unlock_special.b.blocked)
0.23% 0.00% struct task_struct +2100 (rcu_read_lock_nesting)
0.14% 0.00% struct task_struct +2384 ()
0.06% 0.00% struct task_struct +3096 (signal)
0.05% 0.00% struct task_struct +3616 (cgroups)
0.05% 0.00% struct task_struct +2344 (active_mm)
0.02% 0.00% struct task_struct +46 (flags)
0.02% 0.00% struct task_struct +2096 (migration_disabled)
0.01% 0.00% struct task_struct +24 (__state)
0.01% 0.00% struct task_struct +3956 (mm_cid_active)
0.01% 0.00% struct task_struct +1048 (cpus_ptr)
0.01% 0.00% struct task_struct +184 (se.group_node.next)
0.01% 0.00% struct task_struct +20 (thread_info.cpu)
0.00% 0.00% struct task_struct +104 (on_rq)
0.00% 0.00% struct task_struct +2456 (pid)
1.36% 0.00% struct module
0.59% 0.00% struct module +952 (kallsyms)
0.42% 0.00% struct module +0 (state)
0.23% 0.00% struct module +8 (list.next)
0.12% 0.00% struct module +216 (syms)
0.95% 0.00% struct inode
0.41% 0.00% struct inode +40 (i_sb)
0.22% 0.00% struct inode +0 (i_mode)
0.06% 0.00% struct inode +76 (i_rdev)
0.06% 0.00% struct inode +56 (i_security)
<SNIP>
perf top/report:
- Don't ignore job control, allowing control+Z + bg to work.
- Add s390 raw data interpretation for PAI (Processor Activity Instrumentation)
counters.
perf archive:
- Add new option '--all' to pack perf.data with DSOs.
- Add new option '--unpack' to expand tarballs.
Initialization speedups:
- Lazily initialize zstd streams to save memory when not using it.
- Lazily allocate/size mmap event copy.
- Lazy load kernel symbols in 'perf record'.
- Be lazier in allocating lost samples buffer in 'perf record'.
- Don't synthesize BPF events when disabled via the command line (perf record --no-bpf-event).
Assorted improvements:
- Show note on AMD systems that the :p, :pp, :ppp and :P are all the same, as
IBS (Instruction Based Sampling) is used and it is inherentely precise, not
having levels of precision like in Intel systems.
- When 'cycles' isn't available, fall back to the "task-clock" event when not
system wide, not to 'cpu-clock'.
- Add --debug-file option to redirect debug output, e.g.:
$ perf --debug-file /tmp/perf.log record -v true
- Shrink 'struct map' to under one cacheline by avoiding function pointers for
selecting if addresses are identity or DSO relative, and using just a byte for
some boolean struct members.
- Resolve the arch specific strerrno just once to use in perf_env__arch_strerrno().
- Reduce memory for recording PERF_RECORD_LOST_SAMPLES event.
Assorted fixes:
- Fix the default 'perf top' usage on Intel hybrid systems, now it starts with
a browser showing the number of samples for Efficiency (cpu_atom/cycles/P) and
Performance (cpu_core/cycles/P). This behaviour is similar on ARM64, with its
respective set of big.LITTLE processors.
- Fix segfault on build_mem_topology() error path.
- Fix 'perf mem' error on hybrid related to availability of mem event in a PMU.
- Fix missing reference count gets (map, maps) in the db-export code.
- Avoid recursively taking env->bpf_progs.lock in the 'perf_env' code.
- Use the newly introduced maps__for_each_map() to add missing locking around
iteration of 'struct map' entries.
- Parse NOTE segments until the build id is found, don't stop on the first one,
ELF files may have several such NOTE segments.
- Remove 'egrep' usage, its deprecated, use 'grep -E' instead.
- Warn first about missing libelf, not libbpf, that depends on libelf.
- Use alternative to 'find ... -printf' as this isn't supported in busybox.
- Address python 3.6 DeprecationWarning for string scapes.
- Fix memory leak in uniq() in libsubcmd.
- Fix man page formatting for 'perf lock'
- Fix some spelling mistakes.
perf tests:
- Fail shell tests that needs some symbol in perf itself if it is stripped.
These tests check if a symbol is resolved, if some hot function is indeed
detected by profiling, etc.
- The 'perf test sigtrap' test is currently failing on PREEMPT_RT, skip it if
sleeping spinlocks are detected (using BTF) and point to the mailing list
discussion about it. This test is also being skipped on several architectures
(powerpc, s390x, arm and aarch64) due to other pending issues with intruction
breakpoints.
- Adjust test case perf record offcpu profiling tests for s390.
- Fix 'Setup struct perf_event_attr' fails on s390 on z/VM guest, addressing
issues caused by the fallback from cycles to task-clock done in this release.
- Fix mask for VG register in the user-regs test.
- Use shellcheck on 'perf test' shell scripts automatically to make sure changes
don't introduce things it flags as problematic.
- Add option to change objdump binary and allow it to be set via 'perf config'.
- Add basic 'perf script', 'perf list --json" and 'perf diff' tests.
- Basic branch counter support.
- Make DSO tests a suite rather than individual.
- Remove atomics from test_loop to avoid test failures.
- Fix call chain match on powerpc for the record+probe_libc_inet_pton test.
- Improve Intel hybrid tests.
Vendor event files (JSON):
powerpc:
- Update datasource event name to fix duplicate events on IBM's Power10.
- Add PVN for HX-C2000 CPU with Power8 Architecture.
Intel:
- Alderlake/rocketlake metric fixes.
- Update emeraldrapids events to v1.02.
- Update icelakex events to v1.23.
- Update sapphirerapids events to v1.17.
- Add skx, clx, icx and spr upi bandwidth metric.
AMD:
- Add Zen 4 memory controller events.
RISC-V:
- Add StarFive Dubhe-80 and Dubhe-90 JSON files.
https://www.starfivetech.com/en/site/cpu-u
- Add T-HEAD C9xx JSON file.
https://github.com/riscv-software-src/opensbi/blob/master/docs/platform/thead-c9xx.md
ARM64:
- Remove UTF-8 characters from cmn.json, that were causing build failure in some
distros.
- Add core PMU events and metrics for Ampere One X.
- Rename Ampere One's BPU_FLUSH_MEM_FAULT to GPC_FLUSH_MEM_FAULT
libperf:
- Rename several perf_cpu_map constructor names to clarify what they really do.
- Ditto for some other methods, coping with some issues in their semantics,
like perf_cpu_map__empty() -> perf_cpu_map__has_any_cpu_or_is_empty().
- Document perf_cpu_map__nr()'s behavior
perf stat:
- Exit if parse groups fails.
- Combine the -A/--no-aggr and --no-merge options.
- Fix help message for --metric-no-threshold option.
Hardware tracing:
ARM64 CoreSight:
- Bump minimum OpenCSD version to ensure a bugfix is present.
- Add 'T' itrace option for timestamp trace
- Set start vm addr of exectable file to 0 and don't ignore first sample on the
arm-cs-trace-disasm.py 'perf script'.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v6.8-1-2024-01-09' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools updates from Arnaldo Carvalho de Melo:
"Add Namhyung Kim as tools/perf/ co-maintainer, we're taking turns
processing patches, switching roles from perf-tools to perf-tools-next
at each Linux release.
Data profiling:
- Associate samples that identify loads and stores with data
structures. This uses events available on Intel, AMD and others and
DWARF info:
# To get memory access samples in kernel for 1 second (on Intel)
$ perf mem record -a -K --ldlat=4 -- sleep 1
# Similar for the AMD (but it requires 6.3+ kernel for BPF filters)
$ perf mem record -a --filter 'mem_op == load || mem_op == store, ip > 0x8000000000000000' -- sleep 1
Then, amongst several modes of post processing, one can do things like:
$ perf report -s type,typeoff --hierarchy --group --stdio
...
#
# Samples: 10K of events 'cpu/mem-loads,ldlat=4/P, cpu/mem-stores/P, dummy:u'
# Event count (approx.): 602758064
#
# Overhead Data Type / Data Type Offset
# ........................... ............................
#
26.09% 3.28% 0.00% long unsigned int
26.09% 3.28% 0.00% long unsigned int +0 (no field)
18.48% 0.73% 0.00% struct page
10.83% 0.02% 0.00% struct page +8 (lru.next)
3.90% 0.28% 0.00% struct page +0 (flags)
3.45% 0.06% 0.00% struct page +24 (mapping)
0.25% 0.28% 0.00% struct page +48 (_mapcount.counter)
0.02% 0.06% 0.00% struct page +32 (index)
0.02% 0.00% 0.00% struct page +52 (_refcount.counter)
0.02% 0.01% 0.00% struct page +56 (memcg_data)
0.00% 0.01% 0.00% struct page +16 (lru.prev)
15.37% 17.54% 0.00% (stack operation)
15.37% 17.54% 0.00% (stack operation) +0 (no field)
11.71% 50.27% 0.00% (unknown)
11.71% 50.27% 0.00% (unknown) +0 (no field)
$ perf annotate --data-type
...
Annotate type: 'struct cfs_rq' in [kernel.kallsyms] (13 samples):
============================================================================
samples offset size field
13 0 640 struct cfs_rq {
2 0 16 struct load_weight load {
2 0 8 unsigned long weight;
0 8 4 u32 inv_weight;
};
0 16 8 unsigned long runnable_weight;
0 24 4 unsigned int nr_running;
1 28 4 unsigned int h_nr_running;
...
$ perf annotate --data-type=page --group
Annotate type: 'struct page' in [kernel.kallsyms] (480 samples):
event[0] = cpu/mem-loads,ldlat=4/P
event[1] = cpu/mem-stores/P
event[2] = dummy:u
===================================================================================
samples offset size field
447 33 0 0 64 struct page {
108 8 0 0 8 long unsigned int flags;
319 13 0 8 40 union {
319 13 0 8 40 struct {
236 2 0 8 16 union {
236 2 0 8 16 struct list_head lru {
236 1 0 8 8 struct list_head* next;
0 1 0 16 8 struct list_head* prev;
};
236 2 0 8 16 struct {
236 1 0 8 8 void* __filler;
0 1 0 16 4 unsigned int mlock_count;
};
236 2 0 8 16 struct list_head buddy_list {
236 1 0 8 8 struct list_head* next;
0 1 0 16 8 struct list_head* prev;
};
236 2 0 8 16 struct list_head pcp_list {
236 1 0 8 8 struct list_head* next;
0 1 0 16 8 struct list_head* prev;
};
};
82 4 0 24 8 struct address_space* mapping;
1 7 0 32 8 union {
1 7 0 32 8 long unsigned int index;
1 7 0 32 8 long unsigned int share;
};
0 0 0 40 8 long unsigned int private;
};
This uses the existing annotate code, calling objdump to do the
disassembly, with improvements to avoid having this take too long,
but longer term a switch to a disassembler library, possibly
reusing code in the kernel will be pursued.
This is the initial implementation, please use it and report
impressions and bugs. Make sure the kernel-debuginfo packages match
the running kernel. The 'perf report' phase for non short perf.data
files may take a while.
There is a great article about it on LWN:
https://lwn.net/Articles/955709/ - "Data-type profiling for perf"
One last test I did while writing this text, on a AMD Ryzen 5950X,
using a distro kernel, while doing a simple 'find /' on an
otherwise idle system resulted in:
# uname -r
6.6.9-100.fc38.x86_64
# perf -vv | grep BPF_
bpf: [ on ] # HAVE_LIBBPF_SUPPORT
bpf_skeletons: [ on ] # HAVE_BPF_SKEL
# rpm -qa | grep kernel-debuginfo
kernel-debuginfo-common-x86_64-6.6.9-100.fc38.x86_64
kernel-debuginfo-6.6.9-100.fc38.x86_64
#
# perf mem record -a --filter 'mem_op == load || mem_op == store, ip > 0x8000000000000000'
^C[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 2.199 MB perf.data (2913 samples) ]
#
# ls -la perf.data
-rw-------. 1 root root 2346486 Jan 9 18:36 perf.data
# perf evlist
ibs_op//
dummy:u
# perf evlist -v
ibs_op//: type: 11, size: 136, config: 0, { sample_period, sample_freq }: 4000, sample_type: IP|TID|TIME|ADDR|CPU|PERIOD|IDENTIFIER|DATA_SRC|WEIGHT, read_format: ID, disabled: 1, inherit: 1, freq: 1, sample_id_all: 1
dummy:u: type: 1 (PERF_TYPE_SOFTWARE), size: 136, config: 0x9 (PERF_COUNT_SW_DUMMY), { sample_period, sample_freq }: 1, sample_type: IP|TID|TIME|ADDR|CPU|IDENTIFIER|DATA_SRC|WEIGHT, read_format: ID, inherit: 1, exclude_kernel: 1, exclude_hv: 1, mmap: 1, comm: 1, task: 1, mmap_data: 1, sample_id_all: 1, exclude_guest: 1, mmap2: 1, comm_exec: 1, ksymbol: 1, bpf_event: 1
#
# perf report -s type,typeoff --hierarchy --group --stdio
# Total Lost Samples: 0
#
# Samples: 2K of events 'ibs_op//, dummy:u'
# Event count (approx.): 1904553038
#
# Overhead Data Type / Data Type Offset
# ................... ............................
#
73.70% 0.00% (unknown)
73.70% 0.00% (unknown) +0 (no field)
3.01% 0.00% long unsigned int
3.00% 0.00% long unsigned int +0 (no field)
0.01% 0.00% long unsigned int +2 (no field)
2.73% 0.00% struct task_struct
1.71% 0.00% struct task_struct +52 (on_cpu)
0.38% 0.00% struct task_struct +2104 (rcu_read_unlock_special.b.blocked)
0.23% 0.00% struct task_struct +2100 (rcu_read_lock_nesting)
0.14% 0.00% struct task_struct +2384 ()
0.06% 0.00% struct task_struct +3096 (signal)
0.05% 0.00% struct task_struct +3616 (cgroups)
0.05% 0.00% struct task_struct +2344 (active_mm)
0.02% 0.00% struct task_struct +46 (flags)
0.02% 0.00% struct task_struct +2096 (migration_disabled)
0.01% 0.00% struct task_struct +24 (__state)
0.01% 0.00% struct task_struct +3956 (mm_cid_active)
0.01% 0.00% struct task_struct +1048 (cpus_ptr)
0.01% 0.00% struct task_struct +184 (se.group_node.next)
0.01% 0.00% struct task_struct +20 (thread_info.cpu)
0.00% 0.00% struct task_struct +104 (on_rq)
0.00% 0.00% struct task_struct +2456 (pid)
1.36% 0.00% struct module
0.59% 0.00% struct module +952 (kallsyms)
0.42% 0.00% struct module +0 (state)
0.23% 0.00% struct module +8 (list.next)
0.12% 0.00% struct module +216 (syms)
0.95% 0.00% struct inode
0.41% 0.00% struct inode +40 (i_sb)
0.22% 0.00% struct inode +0 (i_mode)
0.06% 0.00% struct inode +76 (i_rdev)
0.06% 0.00% struct inode +56 (i_security)
<SNIP>
perf top/report:
- Don't ignore job control, allowing control+Z + bg to work.
- Add s390 raw data interpretation for PAI (Processor Activity
Instrumentation) counters.
perf archive:
- Add new option '--all' to pack perf.data with DSOs.
- Add new option '--unpack' to expand tarballs.
Initialization speedups:
- Lazily initialize zstd streams to save memory when not using it.
- Lazily allocate/size mmap event copy.
- Lazy load kernel symbols in 'perf record'.
- Be lazier in allocating lost samples buffer in 'perf record'.
- Don't synthesize BPF events when disabled via the command line
(perf record --no-bpf-event).
Assorted improvements:
- Show note on AMD systems that the :p, :pp, :ppp and :P are all the
same, as IBS (Instruction Based Sampling) is used and it is
inherentely precise, not having levels of precision like in Intel
systems.
- When 'cycles' isn't available, fall back to the "task-clock" event
when not system wide, not to 'cpu-clock'.
- Add --debug-file option to redirect debug output, e.g.:
$ perf --debug-file /tmp/perf.log record -v true
- Shrink 'struct map' to under one cacheline by avoiding function
pointers for selecting if addresses are identity or DSO relative,
and using just a byte for some boolean struct members.
- Resolve the arch specific strerrno just once to use in
perf_env__arch_strerrno().
- Reduce memory for recording PERF_RECORD_LOST_SAMPLES event.
Assorted fixes:
- Fix the default 'perf top' usage on Intel hybrid systems, now it
starts with a browser showing the number of samples for Efficiency
(cpu_atom/cycles/P) and Performance (cpu_core/cycles/P). This
behaviour is similar on ARM64, with its respective set of
big.LITTLE processors.
- Fix segfault on build_mem_topology() error path.
- Fix 'perf mem' error on hybrid related to availability of mem event
in a PMU.
- Fix missing reference count gets (map, maps) in the db-export code.
- Avoid recursively taking env->bpf_progs.lock in the 'perf_env'
code.
- Use the newly introduced maps__for_each_map() to add missing
locking around iteration of 'struct map' entries.
- Parse NOTE segments until the build id is found, don't stop on the
first one, ELF files may have several such NOTE segments.
- Remove 'egrep' usage, its deprecated, use 'grep -E' instead.
- Warn first about missing libelf, not libbpf, that depends on
libelf.
- Use alternative to 'find ... -printf' as this isn't supported in
busybox.
- Address python 3.6 DeprecationWarning for string scapes.
- Fix memory leak in uniq() in libsubcmd.
- Fix man page formatting for 'perf lock'
- Fix some spelling mistakes.
perf tests:
- Fail shell tests that needs some symbol in perf itself if it is
stripped. These tests check if a symbol is resolved, if some hot
function is indeed detected by profiling, etc.
- The 'perf test sigtrap' test is currently failing on PREEMPT_RT,
skip it if sleeping spinlocks are detected (using BTF) and point to
the mailing list discussion about it. This test is also being
skipped on several architectures (powerpc, s390x, arm and aarch64)
due to other pending issues with intruction breakpoints.
- Adjust test case perf record offcpu profiling tests for s390.
- Fix 'Setup struct perf_event_attr' fails on s390 on z/VM guest,
addressing issues caused by the fallback from cycles to task-clock
done in this release.
- Fix mask for VG register in the user-regs test.
- Use shellcheck on 'perf test' shell scripts automatically to make
sure changes don't introduce things it flags as problematic.
- Add option to change objdump binary and allow it to be set via
'perf config'.
- Add basic 'perf script', 'perf list --json" and 'perf diff' tests.
- Basic branch counter support.
- Make DSO tests a suite rather than individual.
- Remove atomics from test_loop to avoid test failures.
- Fix call chain match on powerpc for the record+probe_libc_inet_pton
test.
- Improve Intel hybrid tests.
Vendor event files (JSON):
powerpc:
- Update datasource event name to fix duplicate events on IBM's
Power10.
- Add PVN for HX-C2000 CPU with Power8 Architecture.
Intel:
- Alderlake/rocketlake metric fixes.
- Update emeraldrapids events to v1.02.
- Update icelakex events to v1.23.
- Update sapphirerapids events to v1.17.
- Add skx, clx, icx and spr upi bandwidth metric.
AMD:
- Add Zen 4 memory controller events.
RISC-V:
- Add StarFive Dubhe-80 and Dubhe-90 JSON files.
https://www.starfivetech.com/en/site/cpu-u
- Add T-HEAD C9xx JSON file.
https://github.com/riscv-software-src/opensbi/blob/master/docs/platform/thead-c9xx.md
ARM64:
- Remove UTF-8 characters from cmn.json, that were causing build
failure in some distros.
- Add core PMU events and metrics for Ampere One X.
- Rename Ampere One's BPU_FLUSH_MEM_FAULT to GPC_FLUSH_MEM_FAULT
libperf:
- Rename several perf_cpu_map constructor names to clarify what they
really do.
- Ditto for some other methods, coping with some issues in their
semantics, like perf_cpu_map__empty() ->
perf_cpu_map__has_any_cpu_or_is_empty().
- Document perf_cpu_map__nr()'s behavior
perf stat:
- Exit if parse groups fails.
- Combine the -A/--no-aggr and --no-merge options.
- Fix help message for --metric-no-threshold option.
Hardware tracing:
ARM64 CoreSight:
- Bump minimum OpenCSD version to ensure a bugfix is present.
- Add 'T' itrace option for timestamp trace
- Set start vm addr of exectable file to 0 and don't ignore first
sample on the arm-cs-trace-disasm.py 'perf script'"
* tag 'perf-tools-for-v6.8-1-2024-01-09' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (179 commits)
MAINTAINERS: Add Namhyung as tools/perf/ co-maintainer
perf test: test case 'Setup struct perf_event_attr' fails on s390 on z/vm
perf db-export: Fix missing reference count get in call_path_from_sample()
perf tests: Add perf script test
libsubcmd: Fix memory leak in uniq()
perf TUI: Don't ignore job control
perf vendor events intel: Update sapphirerapids events to v1.17
perf vendor events intel: Update icelakex events to v1.23
perf vendor events intel: Update emeraldrapids events to v1.02
perf vendor events intel: Alderlake/rocketlake metric fixes
perf x86 test: Add hybrid test for conflicting legacy/sysfs event
perf x86 test: Update hybrid expectations
perf vendor events amd: Add Zen 4 memory controller events
perf stat: Fix hard coded LL miss units
perf record: Reduce memory for recording PERF_RECORD_LOST_SAMPLES event
perf env: Avoid recursively taking env->bpf_progs.lock
perf annotate: Add --insn-stat option for debugging
perf annotate: Add --type-stat option for debugging
perf annotate: Support event group display
perf annotate: Add --data-type option
...
1, Raise minimum clang version to 18.0.0;
2, Enable initial Rust support for LoongArch;
3, Add built-in dtb support for LoongArch;
4, Use generic interface to support crashkernel=X,[high,low];
5, Some bug fixes and other small changes;
6, Update the default config file.
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Merge tag 'loongarch-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Raise minimum clang version to 18.0.0
- Enable initial Rust support for LoongArch
- Add built-in dtb support for LoongArch
- Use generic interface to support crashkernel=X,[high,low]
- Some bug fixes and other small changes
- Update the default config file.
* tag 'loongarch-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (22 commits)
MAINTAINERS: Add BPF JIT for LOONGARCH entry
LoongArch: Update Loongson-3 default config file
LoongArch: BPF: Prevent out-of-bounds memory access
LoongArch: BPF: Support 64-bit pointers to kfuncs
LoongArch: Fix definition of ftrace_regs_set_instruction_pointer()
LoongArch: Use generic interface to support crashkernel=X,[high,low]
LoongArch: Fix and simplify fcsr initialization on execve()
LoongArch: Let cores_io_master cover the largest NR_CPUS
LoongArch: Change SHMLBA from SZ_64K to PAGE_SIZE
LoongArch: Add a missing call to efi_esrt_init()
LoongArch: Parsing CPU-related information from DTS
LoongArch: dts: DeviceTree for Loongson-2K2000
LoongArch: dts: DeviceTree for Loongson-2K1000
LoongArch: dts: DeviceTree for Loongson-2K0500
LoongArch: Allow device trees be built into the kernel
dt-bindings: interrupt-controller: loongson,liointc: Fix dtbs_check warning for interrupt-names
dt-bindings: interrupt-controller: loongson,liointc: Fix dtbs_check warning for reg-names
dt-bindings: loongarch: Add Loongson SoC boards compatibles
dt-bindings: loongarch: Add CPU bindings for LoongArch
LoongArch: Enable initial Rust support
...
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Merge tag 'vfs-6.8.netfs' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
Pull netfs updates from Christian Brauner:
"This extends the netfs helper library that network filesystems can use
to replace their own implementations. Both afs and 9p are ported. cifs
is ready as well but the patches are way bigger and will be routed
separately once this is merged. That will remove lots of code as well.
The overal goal is to get high-level I/O and knowledge of the page
cache and ouf of the filesystem drivers. This includes knowledge about
the existence of pages and folios
The pull request converts afs and 9p. This removes about 800 lines of
code from afs and 300 from 9p. For 9p it is now possible to do writes
in larger than a page chunks. Additionally, multipage folio support
can be turned on for 9p. Separate patches exist for cifs removing
another 2000+ lines. I've included detailed information in the
individual pulls I took.
Summary:
- Add NFS-style (and Ceph-style) locking around DIO vs buffered I/O
calls to prevent these from happening at the same time.
- Support for direct and unbuffered I/O.
- Support for write-through caching in the page cache.
- O_*SYNC and RWF_*SYNC writes use write-through rather than writing
to the page cache and then flushing afterwards.
- Support for write-streaming.
- Support for write grouping.
- Skip reads for which the server could only return zeros or EOF.
- The fscache module is now part of the netfs library and the
corresponding maintainer entry is updated.
- Some helpers from the fscache subsystem are renamed to mark them as
belonging to the netfs library.
- Follow-up fixes for the netfs library.
- Follow-up fixes for the 9p conversion"
* tag 'vfs-6.8.netfs' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs: (50 commits)
netfs: Fix wrong #ifdef hiding wait
cachefiles: Fix signed/unsigned mixup
netfs: Fix the loop that unmarks folios after writing to the cache
netfs: Fix interaction between write-streaming and cachefiles culling
netfs: Count DIO writes
netfs: Mark netfs_unbuffered_write_iter_locked() static
netfs: Fix proc/fs/fscache symlink to point to "netfs" not "../netfs"
netfs: Rearrange netfs_io_subrequest to put request pointer first
9p: Use length of data written to the server in preference to error
9p: Do a couple of cleanups
9p: Fix initialisation of netfs_inode for 9p
cachefiles: Fix __cachefiles_prepare_write()
9p: Use netfslib read/write_iter
afs: Use the netfs write helpers
netfs: Export the netfs_sreq tracepoint
netfs: Optimise away reads above the point at which there can be no data
netfs: Implement a write-through caching option
netfs: Provide a launder_folio implementation
netfs: Provide a writepages implementation
netfs, cachefiles: Pass upper bound length to allow expansion
...
Previous releases - regressions:
- Revert "net: rtnetlink: Enslave device before bringing it up",
breaks the case inverse to the one it was trying to fix
- net: dsa: fix oob access in DSA's netdevice event handler
dereference netdev_priv() before check its a DSA port
- sched: track device in tcf_block_get/put_ext() only for clsact
binder types
- net: tls, fix WARNING in __sk_msg_free when record becomes full
during splice and MORE hint set
- sfp-bus: fix SFP mode detect from bitrate
- drv: stmmac: prevent DSA tags from breaking COE
Previous releases - always broken:
- bpf: fix no forward progress in in bpf_iter_udp if output
buffer is too small
- bpf: reject variable offset alu on registers with a type
of PTR_TO_FLOW_KEYS to prevent oob access
- netfilter: tighten input validation
- net: add more sanity check in virtio_net_hdr_to_skb()
- rxrpc: fix use of Don't Fragment flag on RESPONSE packets,
avoid infinite loop
- amt: do not use the portion of skb->cb area which may get clobbered
- mptcp: improve validation of the MPTCPOPT_MP_JOIN MCTCP option
Misc:
- spring cleanup of inactive maintainers
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf and netfilter.
Previous releases - regressions:
- Revert "net: rtnetlink: Enslave device before bringing it up",
breaks the case inverse to the one it was trying to fix
- net: dsa: fix oob access in DSA's netdevice event handler
dereference netdev_priv() before check its a DSA port
- sched: track device in tcf_block_get/put_ext() only for clsact
binder types
- net: tls, fix WARNING in __sk_msg_free when record becomes full
during splice and MORE hint set
- sfp-bus: fix SFP mode detect from bitrate
- drv: stmmac: prevent DSA tags from breaking COE
Previous releases - always broken:
- bpf: fix no forward progress in in bpf_iter_udp if output buffer is
too small
- bpf: reject variable offset alu on registers with a type of
PTR_TO_FLOW_KEYS to prevent oob access
- netfilter: tighten input validation
- net: add more sanity check in virtio_net_hdr_to_skb()
- rxrpc: fix use of Don't Fragment flag on RESPONSE packets, avoid
infinite loop
- amt: do not use the portion of skb->cb area which may get clobbered
- mptcp: improve validation of the MPTCPOPT_MP_JOIN MCTCP option
Misc:
- spring cleanup of inactive maintainers"
* tag 'net-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
i40e: Include types.h to some headers
ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work
selftests: mlxsw: qos_pfc: Adjust the test to support 8 lanes
selftests: mlxsw: qos_pfc: Remove wrong description
mlxsw: spectrum_router: Register netdevice notifier before nexthop
mlxsw: spectrum_acl_tcam: Fix stack corruption
mlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path
mlxsw: spectrum_acl_erp: Fix error flow of pool allocation failure
ethtool: netlink: Add missing ethnl_ops_begin/complete
selftests: bonding: Add more missing config options
selftests: netdevsim: add a config file
libbpf: warn on unexpected __arg_ctx type when rewriting BTF
selftests/bpf: add tests confirming type logic in kernel for __arg_ctx
bpf: enforce types for __arg_ctx-tagged arguments in global subprogs
bpf: extract bpf_ctx_convert_map logic and make it more reusable
libbpf: feature-detect arg:ctx tag support in kernel
ipvs: avoid stat macros calls from preemptible context
netfilter: nf_tables: reject NFT_SET_CONCAT with not field length description
netfilter: nf_tables: skip dead set elements in netlink dump
netfilter: nf_tables: do not allow mismatch field size and set key length
...
(controllers set the flag, but there is no client to use it). Also,
CLASS_SPD support gets simplified to prepare removal in the future.
Class based instantiation is not recommended these days anyhow.
Furthermore, I2C core now creates a debugfs directory per I2C adapter.
Current bus driver users were converted to use it. Then, there are also
quite some driver updates. Standing out are patches for the wmt-driver
which is refactored to support more variants. This is the rebased pull
request where a large series for the designware driver was dropped.
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Merge tag 'i2c-for-6.8-rc1-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"This removes the currently unused CLASS_DDC support (controllers set
the flag, but there is no client to use it).
Also, CLASS_SPD support gets simplified to prepare removal in the
future. Class based instantiation is not recommended these days
anyhow.
Furthermore, I2C core now creates a debugfs directory per I2C adapter.
Current bus driver users were converted to use it.
Finally, quite some driver updates. Standing out are patches for the
wmt-driver which is refactored to support more variants.
This is the rebased pull request where a large series for the
designware driver was dropped"
* tag 'i2c-for-6.8-rc1-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
MAINTAINERS: use proper email for my I2C work
i2c: stm32f7: add support for stm32mp25 soc
i2c: stm32f7: perform I2C_ISR read once at beginning of event isr
dt-bindings: i2c: document st,stm32mp25-i2c compatible
i2c: stm32f7: simplify status messages in case of errors
i2c: stm32f7: perform most of irq job in threaded handler
i2c: stm32f7: use dev_err_probe upon calls of devm_request_irq
i2c: i801: Add lis3lv02d for Dell XPS 15 7590
i2c: i801: Add lis3lv02d for Dell Precision 3540
i2c: wmt: Reduce redundant: REG_CR setting
i2c: wmt: Reduce redundant: function parameter
i2c: wmt: Reduce redundant: clock mode setting
i2c: wmt: Reduce redundant: wait event complete
i2c: wmt: Reduce redundant: bus busy check
i2c: mux: reg: Remove class-based device auto-detection support
i2c: make i2c_bus_type const
dt-bindings: at24: add ROHM BR24G04
eeprom: at24: use of_match_ptr()
i2c: cpm: Remove linux,i2c-index conversion from be32
i2c: imx: Make SDA actually optional for bus recovering
...
Subsytem:
New driver:
- Analog Devices MAX31335
- Nuvoton ma35d1
- Texas Instrument TPS6594 PMIC RTC
Drivers:
- cmos: use ACPI alarm instead of HPET on recent AMD platforms
- nuvoton: add NCT3015Y-R and NCT3018Y-R support
- rv8803: proper suspend/resume and wakeup-source support
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Merge tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"There are three new drivers this cycle. Also the cmos driver is
getting fixes for longstanding wakeup issues on AMD.
New drivers:
- Analog Devices MAX31335
- Nuvoton ma35d1
- Texas Instrument TPS6594 PMIC RTC
Drivers:
- cmos: use ACPI alarm instead of HPET on recent AMD platforms
- nuvoton: add NCT3015Y-R and NCT3018Y-R support
- rv8803: proper suspend/resume and wakeup-source support"
* tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (26 commits)
rtc: nuvoton: Compatible with NCT3015Y-R and NCT3018Y-R
rtc: da9063: Use dev_err_probe()
rtc: da9063: Use device_get_match_data()
rtc: da9063: Make IRQ as optional
rtc: max31335: Fix comparison in max31335_volatile_reg()
rtc: max31335: use regmap_update_bits_check
rtc: max31335: remove unecessary locking
rtc: max31335: add driver support
dt-bindings: rtc: max31335: add max31335 bindings
rtc: rv8803: add wakeup-source support
rtc: ac100: remove misuses of kernel-doc
rtc: class: Remove usage of the deprecated ida_simple_xx() API
rtc: MAINTAINERS: drop Alessandro Zummo
rtc: ma35d1: remove hardcoded UIE support
dt-bindings: rtc: qcom-pm8xxx: fix inconsistent example
rtc: rv8803: Add power management support
rtc: ds3232: avoid unused-const-variable warning
rtc: lpc24xx: add missing dependency
rtc: tps6594: Add driver for TPS6594 RTC
rtc: Add driver for Nuvoton ma35d1 rtc controller
...
- a new driver for Adafruit Seesaw gamepad device
- Zforce touchscreen will handle standard device properties for axis
swap/inversion
- handling of advanced sensitivity settings in Microchip CAP11xx
capacitive sensor driver
- more drivers have been converted to use newer gpiod API
- support for dedicated wakeup IRQs in gpio-keys dirver
- support for slider gestures and OTP variants in iqs269a driver
- atkbd will report keyboard version as 0xab83 in cases when GET ID
command was skipped (to deal with problematic firmware on newer
laptops), restoring the previous behavior
- other assorted cleanups and changes
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Merge tag 'input-for-v6.8-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a new driver for Adafruit Seesaw gamepad device
- Zforce touchscreen will handle standard device properties for axis
swap/inversion
- handling of advanced sensitivity settings in Microchip CAP11xx
capacitive sensor driver
- more drivers have been converted to use newer gpiod API
- support for dedicated wakeup IRQs in gpio-keys dirver
- support for slider gestures and OTP variants in iqs269a driver
- atkbd will report keyboard version as 0xab83 in cases when GET ID
command was skipped (to deal with problematic firmware on newer
laptops), restoring the previous behavior
- other assorted cleanups and changes
* tag 'input-for-v6.8-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (44 commits)
Input: atkbd - use ab83 as id when skipping the getid command
Input: driver for Adafruit Seesaw Gamepad
dt-bindings: input: bindings for Adafruit Seesaw Gamepad
Input: da9063_onkey - avoid explicitly setting input's parent
Input: da9063_onkey - avoid using OF-specific APIs
Input: iqs269a - add support for OTP variants
dt-bindings: input: iqs269a: Add bindings for OTP variants
Input: iqs269a - add support for slider gestures
dt-bindings: input: iqs269a: Add bindings for slider gestures
Input: gpio-keys - filter gpio_keys -EPROBE_DEFER error messages
Input: zforce_ts - accept standard touchscreen properties
dt-bindings: touchscreen: neonode,zforce: Use standard properties
dt-bindings: touchscreen: convert neonode,zforce to json-schema
dt-bindings: input: convert drv266x to json-schema
Input: da9063 - use dev_err_probe()
Input: da9063 - drop redundant prints in probe()
Input: da9063 - simplify obtaining OF match data
Input: as5011 - convert to GPIO descriptor
Input: omap-keypad - drop optional GPIO support
Input: tca6416-keypad - drop unused include
...
- Add support for Monolithic Power Systems MP3309C WLED Step-up Converter
- Fix-ups
- Use/convert to new/better APIs/helpers/MACROs instead of hand-rolling implementations
- Device Tree Binding updates
- Demote non-kerneldoc header comments
- Improve error handling; return proper error values, simplify, avoid duplicates, etc
- Convert over to the new (kinda) GPIOD API
- Bug Fixes
- Fix uninitialised local variable
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Merge tag 'backlight-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"New Drivers:
- Add support for Monolithic Power Systems MP3309C WLED Step-up Converter
Fix-ups:
- Use/convert to new/better APIs/helpers/MACROs instead of
hand-rolling implementations
- Device Tree Binding updates
- Demote non-kerneldoc header comments
- Improve error handling; return proper error values, simplify, avoid
duplicates, etc
- Convert over to the new (kinda) GPIOD API
Bug Fixes:
- Fix uninitialised local variable"
* tag 'backlight-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: hx8357: Convert to agnostic GPIO API
backlight: ili922x: Add an error code check in ili922x_write()
backlight: ili922x: Drop kernel-doc for local macros
backlight: mp3309c: Fix uninitialized local variable
backlight: pwm_bl: Use dev_err_probe
backlight: mp3309c: Add support for MPS MP3309C
dt-bindings: backlight: mp3309c: Remove two required properties
- Add support for parsing the Coherent Device Attribute Table (CDAT)
- Add support for calculating a platform CXL QoS class from CDAT data
- Unify the tracing of EFI CXL Events with native CXL Events.
- Add Get Timestamp support
- Miscellaneous cleanups and fixups
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Merge tag 'cxl-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL (Compute Express Link) updates from Dan Williams:
"The bulk of this update is support for enumerating the performance
capabilities of CXL memory targets and connecting that to a platform
CXL memory QoS class. Some follow-on work remains to hook up this data
into core-mm policy, but that is saved for v6.9.
The next significant update is unifying how CXL event records (things
like background scrub errors) are processed between so called
"firmware first" and native error record retrieval. The CXL driver
handler that processes the record retrieved from the device mailbox is
now the handler for that same record format coming from an EFI/ACPI
notification source.
This also contains miscellaneous feature updates, like Get Timestamp,
and other fixups.
Summary:
- Add support for parsing the Coherent Device Attribute Table (CDAT)
- Add support for calculating a platform CXL QoS class from CDAT data
- Unify the tracing of EFI CXL Events with native CXL Events.
- Add Get Timestamp support
- Miscellaneous cleanups and fixups"
* tag 'cxl-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (41 commits)
cxl/core: use sysfs_emit() for attr's _show()
cxl/pci: Register for and process CPER events
PCI: Introduce cleanup helpers for device reference counts and locks
acpi/ghes: Process CXL Component Events
cxl/events: Create a CXL event union
cxl/events: Separate UUID from event structures
cxl/events: Remove passing a UUID to known event traces
cxl/events: Create common event UUID defines
cxl/events: Promote CXL event structures to a core header
cxl: Refactor to use __free() for cxl_root allocation in cxl_endpoint_port_probe()
cxl: Refactor to use __free() for cxl_root allocation in cxl_find_nvdimm_bridge()
cxl: Fix device reference leak in cxl_port_perf_data_calculate()
cxl: Convert find_cxl_root() to return a 'struct cxl_root *'
cxl: Introduce put_cxl_root() helper
cxl/port: Fix missing target list lock
cxl/port: Fix decoder initialization when nr_targets > interleave_ways
cxl/region: fix x9 interleave typo
cxl/trace: Pass UUID explicitly to event traces
cxl/region: use %pap format to print resource_size_t
cxl/region: Add dev_dbg() detail on failure to allocate HPA space
...
- Add debugfs support, initially used for reporting device migration
state. (Longfang Liu)
- Fixes and support for migration dirty tracking across multiple IOVA
regions in the pds-vfio-pci driver. (Brett Creeley)
- Improved IOMMU allocation accounting visibility. (Pasha Tatashin)
- Virtio infrastructure and a new virtio-vfio-pci variant driver, which
provides emulation of a legacy virtio interfaces on modern virtio
hardware for virtio-net VF devices where the PF driver exposes
support for legacy admin queues, ie. an emulated IO BAR on an SR-IOV
VF to provide driver ABI compatibility to legacy devices.
(Yishai Hadas & Feng Liu)
- Migration fixes for the hisi-acc-vfio-pci variant driver.
(Shameer Kolothum)
- Kconfig dependency fix for new virtio-vfio-pci variant driver.
(Arnd Bergmann)
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Merge tag 'vfio-v6.8-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Add debugfs support, initially used for reporting device migration
state (Longfang Liu)
- Fixes and support for migration dirty tracking across multiple IOVA
regions in the pds-vfio-pci driver (Brett Creeley)
- Improved IOMMU allocation accounting visibility (Pasha Tatashin)
- Virtio infrastructure and a new virtio-vfio-pci variant driver, which
provides emulation of a legacy virtio interfaces on modern virtio
hardware for virtio-net VF devices where the PF driver exposes
support for legacy admin queues, ie. an emulated IO BAR on an SR-IOV
VF to provide driver ABI compatibility to legacy devices (Yishai
Hadas & Feng Liu)
- Migration fixes for the hisi-acc-vfio-pci variant driver (Shameer
Kolothum)
- Kconfig dependency fix for new virtio-vfio-pci variant driver (Arnd
Bergmann)
* tag 'vfio-v6.8-rc1' of https://github.com/awilliam/linux-vfio: (22 commits)
vfio/virtio: fix virtio-pci dependency
hisi_acc_vfio_pci: Update migration data pointer correctly on saving/resume
vfio/virtio: Declare virtiovf_pci_aer_reset_done() static
vfio/virtio: Introduce a vfio driver over virtio devices
vfio/pci: Expose vfio_pci_core_iowrite/read##size()
vfio/pci: Expose vfio_pci_core_setup_barmap()
virtio-pci: Introduce APIs to execute legacy IO admin commands
virtio-pci: Initialize the supported admin commands
virtio-pci: Introduce admin commands
virtio-pci: Introduce admin command sending function
virtio-pci: Introduce admin virtqueue
virtio: Define feature bit for administration virtqueue
vfio/type1: account iommu allocations
vfio/pds: Add multi-region support
vfio/pds: Move seq/ack bitmaps into region struct
vfio/pds: Pass region info to relevant functions
vfio/pds: Move and rename region specific info
vfio/pds: Only use a single SGL for both seq and ack
vfio/pds: Fix calculations in pds_vfio_dirty_sync
MAINTAINERS: Add vfio debugfs interface doc link
...
- do not enable by default the support of 31-bit Enterprise Systems
Architecture (ESA) ELF binaries
- drop automatic CONFIG_KEXEC selection, while set CONFIG_KEXEC=y
explicitly for defconfig and debug_defconfig only
- fix zpci_get_max_io_size() to allow PCI block stores where
normal PCI stores were used otherwise
- remove unneeded tsk variable in do_exception() fault handler
- __load_fpu_regs() is only called from the core kernel code.
Therefore, remove not needed EXPORT_SYMBOL.
- remove leftover comment from s390_fpregs_set() callback
- few cleanups to Processor Activity Instrumentation (PAI) code
(which perf framework is based on)
- replace Wenjia Zhang with Thorsten Winkler as s390 Inter-User
Communication Vehicle (IUCV) networking maintainer
- Fix all scenarios where queues previously removed from a guest's
Adjunct-Processor (AP) configuration do not re-appear in a reset
state when they are subsequently made available to a guest again
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Merge tag 's390-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Alexander Gordeev:
- do not enable by default the support of 31-bit Enterprise Systems
Architecture (ESA) ELF binaries
- drop automatic CONFIG_KEXEC selection, while set CONFIG_KEXEC=y
explicitly for defconfig and debug_defconfig only
- fix zpci_get_max_io_size() to allow PCI block stores where normal PCI
stores were used otherwise
- remove unneeded tsk variable in do_exception() fault handler
- __load_fpu_regs() is only called from the core kernel code.
Therefore, remove not needed EXPORT_SYMBOL.
- remove leftover comment from s390_fpregs_set() callback
- few cleanups to Processor Activity Instrumentation (PAI) code (which
perf framework is based on)
- replace Wenjia Zhang with Thorsten Winkler as s390 Inter-User
Communication Vehicle (IUCV) networking maintainer
- Fix all scenarios where queues previously removed from a guest's
Adjunct-Processor (AP) configuration do not re-appear in a reset
state when they are subsequently made available to a guest again
* tag 's390-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/vfio-ap: do not reset queue removed from host config
s390/vfio-ap: reset queues associated with adapter for queue unbound from driver
s390/vfio-ap: reset queues filtered from the guest's AP config
s390/vfio-ap: let on_scan_complete() callback filter matrix and update guest's APCB
s390/vfio-ap: loop over the shadow APCB when filtering guest's AP configuration
s390/vfio-ap: always filter entire AP matrix
s390/net: add Thorsten Winkler as maintainer
s390/pai_ext: split function paiext_push_sample
s390/pai_ext: rework function paiext_copy argments
s390/pai: rework paiXXX_start and paiXXX_stop functions
s390/pai_crypto: split function paicrypt_push_sample
s390/pai: rework paixxxx_getctr interface
s390/ptrace: remove leftover comment
s390/fpu: remove __load_fpu_regs() export
s390/mm,fault: remove not needed tsk variable
s390/pci: fix max size calculation in zpci_memcpy_toio()
s390/kexec: do not automatically select KEXEC option
s390/compat: change default for CONFIG_COMPAT to "n"
Renesas is solely funding my I2C maintenance meanwhile, give them credit
for that by using this email address.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Here is the big set of tty and serial driver changes for 6.8-rc1.
As usual, Jiri has a bunch of refactoring and cleanups for the tty core
and drivers in here, along with the usual set of rs485 updates (someday
this might work properly...) Along with those, in here are changes for:
- sc16is7xx serial driver updates
- platform driver removal api updates
- amba-pl011 driver updates
- tty driver binding updates
- other small tty/serial driver updates and changes
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial updates from Greg KH:
"Here is the big set of tty and serial driver changes for 6.8-rc1.
As usual, Jiri has a bunch of refactoring and cleanups for the tty
core and drivers in here, along with the usual set of rs485 updates
(someday this might work properly...)
Along with those, in here are changes for:
- sc16is7xx serial driver updates
- platform driver removal api updates
- amba-pl011 driver updates
- tty driver binding updates
- other small tty/serial driver updates and changes
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (197 commits)
serial: sc16is7xx: refactor EFR lock
serial: sc16is7xx: reorder code to remove prototype declarations
serial: sc16is7xx: refactor FIFO access functions to increase commonality
serial: sc16is7xx: drop unneeded MODULE_ALIAS
serial: sc16is7xx: replace hardcoded divisor value with BIT() macro
serial: sc16is7xx: add explicit return for some switch default cases
serial: sc16is7xx: add macro for max number of UART ports
serial: sc16is7xx: add driver name to struct uart_driver
serial: sc16is7xx: use i2c_get_match_data()
serial: sc16is7xx: use spi_get_device_match_data()
serial: sc16is7xx: use DECLARE_BITMAP for sc16is7xx_lines bitfield
serial: sc16is7xx: improve do/while loop in sc16is7xx_irq()
serial: sc16is7xx: remove obsolete loop in sc16is7xx_port_irq()
serial: sc16is7xx: set safe default SPI clock frequency
serial: sc16is7xx: add check for unsupported SPI modes during probe
serial: sc16is7xx: fix invalid sc16is7xx_lines bitfield in case of probe error
serial: 8250_exar: Set missing rs485_supported flag
serial: omap: do not override settings for RS485 support
serial: core, imx: do not set RS485 enabled if it is not supported
serial: core: make sure RS485 cannot be enabled when it is not supported
...
Here is the "big" set of staging driver changes for 6.8-rc1. It's not
really that big this release cycle, not much happened except for 186
patches of coding style cleanups. The majority was in the rtl8192e
driver, but there are other smaller changes in a few other staging
drivers, full details in the shortlog.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the "big" set of staging driver changes for 6.8-rc1. It's not
really that big this release cycle, not much happened except for 186
patches of coding style cleanups. The majority was in the rtl8192e
driver, but there are other smaller changes in a few other staging
drivers, full details in the shortlog.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (186 commits)
Staging: rtl8192e: Rename variable OpMode
Staging: rtl8192e: Rename variable bIsAggregateFrame
Staging: rtl8192e: Rename function rtllib_EnableNetMonitorMode()
Staging: rtl8192e: Rename variable NumRxOkInPeriod
Staging: rtl8192e: Rename variable NumTxOkInPeriod
Staging: rtl8192e: Rename variable bUsed
staging: vme_user: print more detailed infomation when an error occurs
Staging: rtl8192e: Rename function rtllib_DisableNetMonitorMode()
Staging: rtl8192e: Rename variable bInitState
Staging: rtl8192e: Rename variable skb_waitQ
Staging: rtl8192e: Rename variable BasicRate
Staging: rtl8192e: Rename variable QueryRate
Staging: rtl8192e: Rename function rtllib_TURBO_Info()
Staging: rtl8192e: Rename function rtllib_WMM_Info()
Staging: rtl8192e: Rename function rtllib_MFIE_Grate()
Staging: rtl8192e: Rename function rtllib_MFIE_Brate()
Staging: rtl8192e: Fixup statement broken across 2 lines in rtllib_softmac_new_net()
Staging: rtl8192e: Fixup statement broken across 2 lines in rtllib_softmac_xmit()
Staging: rtl8192e: Fix function definition broken across multiple lines
Staging: rtl8192e: Fix statement broken across 2 lines in rtllib_rx_assoc_resp()
...
Here is the big set of char/misc and other driver subsystem changes for
6.8-rc1. Lots of stuff in here, but first off, you will get a merge
conflict in drivers/android/binder_alloc.c when merging this tree due to
changing coming in through the -mm tree.
The resolution of the merge issue can be found here:
https://lore.kernel.org/r/20231207134213.25631ae9@canb.auug.org.au
or in a simpler patch form in that thread:
https://lore.kernel.org/r/ZXHzooF07LfQQYiE@google.com
If there are issues with the merge of this file, please let me know.
Other than lots of binder driver changes (as you can see by the merge
conflicts) included in here are:
- lots of iio driver updates and additions
- spmi driver updates
- eeprom driver updates
- firmware driver updates
- ocxl driver updates
- mhi driver updates
- w1 driver updates
- nvmem driver updates
- coresight driver updates
- platform driver remove callback api changes
- tags.sh script updates
- bus_type constant marking cleanups
- lots of other small driver updates
All of these have been in linux-next for a while with no reported issues
(other than the binder merge conflict.)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the big set of char/misc and other driver subsystem changes
for 6.8-rc1.
Other than lots of binder driver changes (as you can see by the merge
conflicts) included in here are:
- lots of iio driver updates and additions
- spmi driver updates
- eeprom driver updates
- firmware driver updates
- ocxl driver updates
- mhi driver updates
- w1 driver updates
- nvmem driver updates
- coresight driver updates
- platform driver remove callback api changes
- tags.sh script updates
- bus_type constant marking cleanups
- lots of other small driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (341 commits)
android: removed duplicate linux/errno
uio: Fix use-after-free in uio_open
drivers: soc: xilinx: add check for platform
firmware: xilinx: Export function to use in other module
scripts/tags.sh: remove find_sources
scripts/tags.sh: use -n to test archinclude
scripts/tags.sh: add local annotation
scripts/tags.sh: use more portable -path instead of -wholename
scripts/tags.sh: Update comment (addition of gtags)
firmware: zynqmp: Convert to platform remove callback returning void
firmware: turris-mox-rwtm: Convert to platform remove callback returning void
firmware: stratix10-svc: Convert to platform remove callback returning void
firmware: stratix10-rsu: Convert to platform remove callback returning void
firmware: raspberrypi: Convert to platform remove callback returning void
firmware: qemu_fw_cfg: Convert to platform remove callback returning void
firmware: mtk-adsp-ipc: Convert to platform remove callback returning void
firmware: imx-dsp: Convert to platform remove callback returning void
firmware: coreboot_table: Convert to platform remove callback returning void
firmware: arm_scpi: Convert to platform remove callback returning void
firmware: arm_scmi: Convert to platform remove callback returning void
...
Core changes:
- A new PINCTRL_GROUP_DESC() infrastructure macro is added and
used in different drivers, generic group description struct
group_desc is now used all over the place.
New drivers:
- New driver for the Texas Instruments TPS6494 Power Management IC.
- New driver for the Lantic PEF2256 framer pin multiplexer.
This IC has some pins that can be reconfigured in different
ways. The actual driver comes on an immutable branch with the
net WAN parts, the IC is some latest-and-greatest serial line
funnel for e.g. wireless access points.
- New subdriver for the Samsung Exynos Auto V920 pin controller,
used for automotive applications.
- New subdriver for the Samsung "GS101" SoC pin controller, this
is the Google "Tensor" SoC used in the Google Pixel 6.
- New subdriver for the Intel Meteor Point SoC pin controller.
- New subdriver for the Qualcomm SM8650 top level (TLMM) and LPASS pin
controllers.
- New subdriver for the Qualcomm X1E80100 top level (TLMM) pin
controller.
- New subdriver for the Qualcomm SM4450 top level (TLMM) pin
controller.
- The "single" pin controller now supports the Texas Instruments
J7200 SoC.
Improvements:
- Intel has created a new (Intel-)generic pin controller driver that
is now used by all contemporary Intel platforms.
- Intel is now also making use of some cleanup helpers.
- Enble 910 Ohm bias in the Intel Tangier driver.
- The Samsung driver now suppors irq_set_affinity() in it's IRQ chip
giving support for non wake up external gpio interrupts.
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Merge tag 'pinctrl-v6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"For this kernel cycle I managed an immutable branch for the PEF2256
WAN framer that has some pin control portions. It already landed in
your tree through the net pull request but here it is mentioned again.
The most interesting is perhaps the Samsung Exynos subdrivers for the
Tensor SoC used in Google Pixel 6 and the ExynosAuto subdriver for
automotive. Along with the earlier merged Tesla FSD subdriver it shows
some of the versatile uses of the Samsung Exynos silicon. It is also
used in the latest version of Axis Communications ARTPEC chips so it
is a very widely deployed SoC family.
We also have the Intel Meteor Lake SoC which I think is for laptops.
It's a pretty interesting chip with Xe graphics and integrated PCH.
Core changes:
- A new PINCTRL_GROUP_DESC() infrastructure macro is added and used
in different drivers, generic group description struct group_desc
is now used all over the place.
New drivers:
- New driver for the Texas Instruments TPS6494 Power Management IC.
- New driver for the Lantic PEF2256 framer pin multiplexer. This IC
has some pins that can be reconfigured in different ways. The
actual driver comes on an immutable branch with the net WAN parts,
the IC is some latest-and-greatest serial line funnel for e.g.
wireless access points.
- New subdriver for the Samsung Exynos Auto V920 pin controller, used
for automotive applications.
- New subdriver for the Samsung "GS101" SoC pin controller, this is
the Google "Tensor" SoC used in the Google Pixel 6.
- New subdriver for the Intel Meteor Point SoC pin controller.
- New subdriver for the Qualcomm SM8650 top level (TLMM) and LPASS
pin controllers.
- New subdriver for the Qualcomm X1E80100 top level (TLMM) pin
controller.
- New subdriver for the Qualcomm SM4450 top level (TLMM) pin
controller.
- The "single" pin controller now supports the Texas Instruments
J7200 SoC.
Improvements:
- Intel has created a new (Intel-)generic pin controller driver that
is now used by all contemporary Intel platforms.
- Intel is now also making use of some cleanup helpers.
- Enble 910 Ohm bias in the Intel Tangier driver.
- The Samsung driver now suppors irq_set_affinity() in it's IRQ chip
giving support for non wake up external gpio interrupts"
* tag 'pinctrl-v6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (112 commits)
pinctrl: samsung: constify iomem pointers
pinctrl: cy8c95x0: Cache muxed registers
dt-bindings: pinctrl: xilinx: Rename *gpio to *gpio-grp
pinctrl: qcom: lpass-lpi: remove duplicated include
dt-bindings: pinctrl: qcom: drop common properties and allow wakeup-parent
dt-bindings: pinctrl: qcom: drop common properties
dt-bindings: pinctrl: qcom,ipq5018-tlmm: use common TLMM bindings
dt-bindings: pinctrl: qcom,x1e80100-tlmm: restrict number of interrupts
dt-bindings: pinctrl: qcom,sm8650-tlmm: restrict number of interrupts
dt-bindings: pinctrl: qcom,sm8550-tlmm: restrict number of interrupts
dt-bindings: pinctrl: qcom,sdx75-tlmm: restrict number of interrupts
dt-bindings: pinctrl: qcom,sa8775p-tlmm: restrict number of interrupts
dt-bindings: pinctrl: qcom,qdu1000-tlmm: restrict number of interrupts
dt-bindings: pinctrl: qcom: create common LPASS LPI schema
pinctrl: qcom: sm4450: dd SM4450 pinctrl driver
dt-bindings: pinctrl: qcom: Add SM4450 pinctrl
dt-bindings: pinctrl: qcom,pmic-mpp: clean up example
pinctrl: intel: Add Intel Meteor Point pin controller and GPIO support
pinctrl: renesas: rzg2l: Add input enable to the Ethernet pins
pinctrl: renesas: rzg2l: Add output enable support
...
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Merge tag 'mm-hotfixes-stable-2024-01-12-16-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"For once not mostly MM-related.
17 hotfixes. 10 address post-6.7 issues and the other 7 are cc:stable"
* tag 'mm-hotfixes-stable-2024-01-12-16-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
userfaultfd: avoid huge_zero_page in UFFDIO_MOVE
MAINTAINERS: add entry for shrinker
selftests: mm: hugepage-vmemmap fails on 64K page size systems
mm/memory_hotplug: fix memmap_on_memory sysfs value retrieval
mailmap: switch email for Tanzir Hasan
mailmap: add old address mappings for Randy
kernel/crash_core.c: make __crash_hotplug_lock static
efi: disable mirror feature during crashkernel
kexec: do syscore_shutdown() in kernel_kexec
mailmap: update entry for Manivannan Sadhasivam
fs/proc/task_mmu: move mmu notification mechanism inside mm lock
mm: zswap: switch maintainers to recently active developers and reviewers
scripts/decode_stacktrace.sh: optionally use LLVM utilities
kasan: avoid resetting aux_lock
lib/Kconfig.debug: disable CONFIG_DEBUG_INFO_BTF for Hexagon
MAINTAINERS: update LTP maintainers
kdump: defer the insertion of crashkernel resources
Thank you Wenjia for your support, welcome Thorsten!
Acked-by: Wenjia Zhang <wenjia@linux.ibm.com>
Acked-by: Thorsten Winkler <twinkler@linux.ibm.com>
Signed-off-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
After commit 5dc615520c ("LoongArch: Add BPF JIT support"),
there is no BPF JIT for LOONGARCH entry, in order to maintain
the current code and the new features timely, just add it.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add myself as driver maintainer and restore the maintained status.
While at it, update the file field to cover mvneta_bm part of the driver.
Signed-off-by: Marcin Wojtas <marcin.s.wojtas@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since the shrinker-related code has been moved to a separate shrinker.c
file, it's time to add a MAINTAINERS entry for it.
Dave, Roman, Muchun and I have all worked on shrinker (development,
review, etc) in the past period of time, and all of us are willing to
continue working on shrinker in the future, so I'd like to add all of us
as maintainer/reviewer.
Link: https://lkml.kernel.org/r/20240111075219.34221-1-zhengqi.arch@bytedance.com
Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Yosry, Nhat and I have been doing most of the recent development and
reviewing of changes in this space.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Nhat Pham <nphamcs@gmail.com>
Acked-by: Yosry Ahmed <yosryahmed@google.com>
Acked-by: Dan Streetman <ddstreet@ieee.org>
Acked-by: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
There are more people with git push permissions, but we keep only people
who actually did review and merge patches last year.
Link: https://lkml.kernel.org/r/20240104154953.1193634-1-pvorel@suse.cz
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Reviewed-by: Li Wang <liwang@redhat.com>
Cc: Alexey Kodanev <aleksei.kodanev@bell-sw.com>
Cc: Jan Stancek <jstancek@redhat.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Wanlong Gao <wanlong.gao@gmail.com>
Cc: Yang Xu <xuyang2018.jy@fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This contains a bunch of cleanups and simplifications across the board,
as well as a number of small fixes.
Perhaps the most notable change here is the addition of an API that
allows PWMs to be used in atomic contexts, which is useful when time-
critical operations are involved, such as using a PWM to generate IR
signals.
Finally, I have decided to step down as PWM subsystem maintainer. Due to
other responsibilities I have lately not been able to find the time that
the subsystem deserves and Uwe, who has been helping out a lot for the
past few years and has many things planned for the future, has kindly
volunteered to take over. I have no doubt that he will be a suitable
replacement.
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Merge tag 'pwm/for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This contains a bunch of cleanups and simplifications across the
board, as well as a number of small fixes.
Perhaps the most notable change here is the addition of an API that
allows PWMs to be used in atomic contexts, which is useful when time-
critical operations are involved, such as using a PWM to generate IR
signals.
Finally, I have decided to step down as PWM subsystem maintainer. Due
to other responsibilities I have lately not been able to find the time
that the subsystem deserves and Uwe, who has been helping out a lot
for the past few years and has many things planned for the future, has
kindly volunteered to take over. I have no doubt that he will be a
suitable replacement"
* tag 'pwm/for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (44 commits)
MAINTAINERS: pwm: Thierry steps down, Uwe takes over
pwm: linux/pwm.h: fix Excess kernel-doc description warning
pwm: Add pwm_apply_state() compatibility stub
pwm: cros-ec: Drop documentation for dropped struct member
pwm: Drop two unused API functions
pwm: lpc18xx-sct: Don't modify the cached period of other PWM outputs
pwm: meson: Simplify using dev_err_probe()
pwm: stmpe: Silence duplicate error messages
pwm: Reduce number of pointer dereferences in pwm_device_request()
pwm: crc: Use consistent variable naming for driver data
pwm: omap-dmtimer: Drop locking
dt-bindings: pwm: ti,pwm-omap-dmtimer: Update binding for yaml
media: pwm-ir-tx: Trigger edges from hrtimer interrupt context
pwm: bcm2835: Allow PWM driver to be used in atomic context
pwm: Make it possible to apply PWM changes in atomic context
pwm: renesas: Remove unused include
pwm: Replace ENOTSUPP with EOPNOTSUPP
pwm: Rename pwm_apply_state() to pwm_apply_might_sleep()
pwm: Stop referencing pwm->chip
pwm: Update kernel doc for struct pwm_chip
...
- Remove intelfb fbdev driver (Thomas Zimmermann)
- Remove amba-clcd fbdev driver (Linus Walleij)
- Remove vmlfb Carillo Ranch fbdev driver (Matthew Wilcox)
- fb_deferred_io flushing fixes (Nam Cao)
- imxfb code fixes and cleanups (Dario Binacchi)
- stifb primary screen detection cleanups (Thomas Zimmermann)
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Merge tag 'fbdev-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev updates from Helge Deller:
"Three fbdev drivers (~8500 lines of code) removed. The Carillo Ranch
fbdev driver is for an Intel product which was never shipped, and for
the intelfb and the amba-clcd drivers the drm drivers can be used
instead.
The other code changes are minor: some fb_deferred_io flushing fixes,
imxfb margin fixes and stifb cleanups.
Summary:
- Remove intelfb fbdev driver (Thomas Zimmermann)
- Remove amba-clcd fbdev driver (Linus Walleij)
- Remove vmlfb Carillo Ranch fbdev driver (Matthew Wilcox)
- fb_deferred_io flushing fixes (Nam Cao)
- imxfb code fixes and cleanups (Dario Binacchi)
- stifb primary screen detection cleanups (Thomas Zimmermann)"
* tag 'fbdev-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev: (28 commits)
fbdev/intelfb: Remove driver
fbdev/hyperv_fb: Do not clear global screen_info
firmware/sysfb: Clear screen_info state after consuming it
fbdev/hyperv_fb: Remove firmware framebuffers with aperture helpers
drm/hyperv: Remove firmware framebuffers with aperture helper
fbdev/sis: Remove dependency on screen_info
video/logo: use %u format specifier for unsigned int values
video/sticore: Remove info field from STI struct
arch/parisc: Detect primary video device from device instance
fbdev/stifb: Allocate fb_info instance with framebuffer_alloc()
video/sticore: Store ROM device in STI struct
fbdev: flush deferred IO before closing
fbdev: flush deferred work in fb_deferred_io_fsync()
fbdev: amba-clcd: Delete the old CLCD driver
fbdev: Remove support for Carillo Ranch driver
fbdev: hgafb: fix kernel-doc comments
fbdev: mmp: Fix typo and wording in code comment
fbdev: fsl-diu-fb: Fix sparse warning due to virt_to_phys() prototype change
fbdev: imxfb: add '*/' on a separate line in block comment
fbdev: imxfb: use __func__ for function name
...
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Merge tag 'media/v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- v4l core: subdev frame interval now supports which field
- v4l kapi: moves and renames the init_cfg pad op to init_state as an
internal op.
- new sensor drivers: gc0308, gc2145, Avnet Alvium, ov64a40, tw9900
- new camera driver: STM32 DCMIPP
- s5p-mfc has gained MFC v12 support
- new ISP driver added to staging: Starfive
- new stateful encoder/decoded: Wave5 codec It is found on the J721S2
SoC, JH7100 SoC, ssd202d SoC. Etc.
- fwnode gained support for MIPI "DisCo for Imaging"
(https://www.mipi.org/specifications/mipi-disco-imaging)
- as usual, lots of cleanups, fixups and driver improvements.
* tag 'media/v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (309 commits)
media: i2c: thp7312: select CONFIG_FW_LOADER
media: i2c: mt9m114: use fsleep() in place of udelay()
media: videobuf2: core: Rename min_buffers_needed field in vb2_queue
media: i2c: thp7312: Store frame interval in subdev state
media: docs: uAPI: Fix documentation of 'which' field for routing ioctls
media: docs: uAPI: Expand error documentation for invalid 'which' value
media: docs: uAPI: Clarify error documentation for invalid 'which' value
media: v4l2-subdev: Store frame interval in subdev state
media: v4l2-subdev: Add which field to struct v4l2_subdev_frame_interval
media: v4l2-subdev: Turn .[gs]_frame_interval into pad operations
media: v4l: subdev: Move out subdev state lock macros outside CONFIG_MEDIA_CONTROLLER
media: s5p-mfc: DPB Count Independent of VIDIOC_REQBUF
media: s5p-mfc: Load firmware for each run in MFCv12.
media: s5p-mfc: Set context for valid case before calling try_run
media: s5p-mfc: Add support for DMABUF for encoder
media: s5p-mfc: Add support for UHD encoding.
media: s5p-mfc: Add support for rate controls in MFCv12
media: s5p-mfc: Add YV12 and I420 multiplanar format support
media: s5p-mfc: Add initial support for MFCv12
media: s5p-mfc: Rename IS_MFCV10 macro
...
- Move the generic PM domain and its governor to the pmdomain subsystem
- Drop the unused pm_genpd_opp_to_performance_state()
Providers:
- Convert some providers to let the ->remove() callback return void
- amlogic: Add support for G12A ISP power domain
- arm: Move the SCPI power-domain driver to the pmdomain subsystem
- arm: Move Kconfig options to the pmdomain subsystem
- qcom: Update part number to X1E80100 for the rpmhpd
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Merge tag 'pmdomain-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain updates from Ulf Hansson:
"Core:
- Move the generic PM domain and its governor to the pmdomain
subsystem
- Drop the unused pm_genpd_opp_to_performance_state()
Providers:
- Convert some providers to let the ->remove() callback return void
- amlogic: Add support for G12A ISP power domain
- arm: Move the SCPI power-domain driver to the pmdomain subsystem
- arm: Move Kconfig options to the pmdomain subsystem
- qcom: Update part number to X1E80100 for the rpmhpd"
* tag 'pmdomain-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
PM: domains: Move genpd and its governor to the pmdomain subsystem
PM: domains: Drop redundant header for genpd
PM: domains: Drop the unused pm_genpd_opp_to_performance_state()
PM: domains: fix domain_governor kernel-doc warnings
pmdomain: xilinx/zynqmp: Convert to platform remove callback returning void
pmdomain: qcom-cpr: Convert to platform remove callback returning void
pmdomain: imx93-pd: Convert to platform remove callback returning void
pmdomain: imx93-blk-ctrl: Convert to platform remove callback returning void
pmdomain: imx8mp-blk-ctrl: Convert to platform remove callback returning void
pmdomain: imx8m-blk-ctrl: Convert to platform remove callback returning void
pmdomain: imx-gpcv2: Convert to platform remove callback returning void
pmdomain: imx-gpc: Convert to platform remove callback returning void
pmdomain: imx-pgc: Convert to platform remove callback returning void
pmdomain: amlogic: meson-ee-pwrc: add support for G12A ISP power domain
dt-bindings: power: meson-g12a-power: document ISP power domain
firmware: arm_scpi: Move power-domain driver to the pmdomain dir
pmdomain: arm_scmi: Move Kconfig options to the pmdomain subsystem
pmdomain: qcom: rpmhpd: Update part number to X1E80100
dt-bindings: power: rpmpd: Update part number to X1E80100
- New drivers
* pmbus: Support for MPS Multi-phase mp2856/mp2857 controller
* pmbus: Support for MPS Multi-phase mp5990
* Driver for Gigabyte AORUS Waterforce AIO coolers
0c459759ca hwmon: (pmbus) Add ltc4286 driver
- Added support to existing drivers
* lm75: Support for AMS AS6200 temperature sensor
* k10temp: Support for AMD Family 19h Model 8h
* max31827: Support for max31828 and max31829
* sht3x: Support for sts3x
* Add support for WMI SMM interface, and various related improvements.
Add support for Optiplex 7000
* emc1403: Support for EMC1442
* npcm750-pwm-fan: Support for NPCM8xx
* nct6775: Add support for 2 additional fan controls
- Minor improvements and bug fixes
* gigabyte_waterforce: Mark status report as received under a spinlock
* aquacomputer_d5next: Remove unneeded CONFIG_DEBUG_FS #ifdef
* gpio-fan: Convert txt bindings to yaml
* smsc47m1: Various cleanups / improvements
* corsair-cpro: use NULL instead of 0
* hp-wmi-sensors: Fix failure to load on EliteDesk 800 G6
* tmp513: Various cleanups
* peci/dimmtemp: Bump timeout
* pc87360: Bounds check data->innr usage
* nct6775: Fix fan speed set failure in automatic mode
* ABI: sysfs-class-hwmon: document various missing attributes
* lm25066: Use i2c_get_match_data()
* nct6775: Use i2c_get_match_data(), and related fixes
* max6650: Use i2c_get_match_data()
* aspeed-pwm-tacho: Fix -Wstringop-overflow warning in aspeed_create_fan_tach_channel()
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Merge tag 'hwmon-for-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- pmbus: Support for MPS Multi-phase mp2856/mp2857 controller
- pmbus: Support for MPS Multi-phase mp5990
- Driver for Gigabyte AORUS Waterforce AIO coolers
Added support to existing drivers:
- lm75: Support for AMS AS6200 temperature sensor
- k10temp: Support for AMD Family 19h Model 8h
- max31827: Support for max31828 and max31829
- sht3x: Support for sts3x
- Add support for WMI SMM interface, and various related improvements.
Add support for Optiplex 7000
- emc1403: Support for EMC1442
- npcm750-pwm-fan: Support for NPCM8xx
- nct6775: Add support for 2 additional fan controls
Minor improvements and bug fixes:
- gigabyte_waterforce: Mark status report as received under a spinlock
- aquacomputer_d5next: Remove unneeded CONFIG_DEBUG_FS #ifdef
- gpio-fan: Convert txt bindings to yaml
- smsc47m1: Various cleanups / improvements
- corsair-cpro: use NULL instead of 0
- hp-wmi-sensors: Fix failure to load on EliteDesk 800 G6
- tmp513: Various cleanups
- peci/dimmtemp: Bump timeout
- pc87360: Bounds check data->innr usage
- nct6775: Fix fan speed set failure in automatic mode
- ABI: sysfs-class-hwmon: document various missing attributes
- lm25066, max6650, nct6775: Use i2c_get_match_data()
- aspeed-pwm-tacho: Fix -Wstringop-overflow warning"
* tag 'hwmon-for-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (59 commits)
hwmon: (gigabyte_waterforce) Mark status report as received under a spinlock
hwmon: (lm75) Fix tmp112 default config
hwmon: (lm75) Add AMS AS6200 temperature sensor
dt-bindings: hwmon: (lm75) Add AMS AS6200 temperature sensor
hwmon: (lm75) remove now-unused include
hwmon: (pmbus) Add support for MPS Multi-phase mp2856/mp2857 controller
dt-bindings: Add MP2856/MP2857 voltage regulator device
hwmon: (aquacomputer_d5next) Remove unneeded CONFIG_DEBUG_FS #ifdef
dt-bindings: hwmon: gpio-fan: Convert txt bindings to yaml
hwmon: (k10temp) Add support for AMD Family 19h Model 8h
hwmon: Add driver for Gigabyte AORUS Waterforce AIO coolers
hwmon: (smsc47m1) Rename global platform device variable
hwmon: (smsc47m1) Simplify device registration
hwmon: (smsc47m1) Convert to platform remove callback returning void
hwmon: (smsc47m1) Mark driver struct with __refdata to prevent section mismatch
MAINTAINERS: Add maintainer for Baikal-T1 PVT hwmon driver
hwmon: (sht3x) add sts3x support
hwmon: (pmbus) Add ltc4286 driver
dt-bindings: hwmon: Add lltc ltc4286 driver bindings
hwmon: (max31827) Add custom attribute for resolution
...
It was a clam development cycle. There were an ALSA core extension
for subformat PCM bits and a few ASoC core changes to support N:M
mappings, while the most of remaining changes are driver-specific.
Core:
- API extensions for properly limiting PCM format bits via subformat
- Enhanced support for N:M CPU:CODEC mappings in the core and in
audio-graph-card2
ASoC:
- Lots of SOF updates: fallback support to older IPC versions,
notification on control changes with IPC4.
Also supports for ACPI parse for the ES83xx driver that reduces
quirks.
- Device tree support for describing parts of the card which can be
active over suspend (for very low power playback or wake word use
cases)
- Support for more AMD and Intel systems, NXP i.MX8m MICFIL, Qualcomm
SM8250, SM8550, SM8650 and X1E80100
- Drop of Freescale MPC8610 code that is no longer supported
HD-audio:
- More CS35L41 codec extensions for Dell, HP and Lenovo models
- TAS2781 codec extensions for Lenovo and co
- New PCM subformat supports
Others:
- More enhancement for Scarlett2 USB mixer support
- Various kselftest fixes
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Merge tag 'sound-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"It was a calm development cycle. There were an ALSA core extension for
subformat PCM bits and a few ASoC core changes to support N:M
mappings, while the most of remaining changes are driver-specific.
Core:
- API extensions for properly limiting PCM format bits via subformat
- Enhanced support for N:M CPU:CODEC mappings in the core and in
audio-graph-card2
ASoC:
- Lots of SOF updates: fallback support to older IPC versions,
notification on control changes with IPC4. Also supports for ACPI
parse for the ES83xx driver that reduces quirks.
- Device tree support for describing parts of the card which can be
active over suspend (for very low power playback or wake word use
cases)
- Support for more AMD and Intel systems, NXP i.MX8m MICFIL, Qualcomm
SM8250, SM8550, SM8650 and X1E80100
- Drop of Freescale MPC8610 code that is no longer supported
HD-audio:
- More CS35L41 codec extensions for Dell, HP and Lenovo models
- TAS2781 codec extensions for Lenovo and co
- New PCM subformat supports
Others:
- More enhancement for Scarlett2 USB mixer support
- Various kselftest fixes"
* tag 'sound-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (337 commits)
kselftest/alsa - conf: Stringify the printed errno in sysfs_get()
kselftest/alsa - mixer-test: Fix the print format specifier warning
kselftest/alsa - mixer-test: Fix the print format specifier warning
kselftest/alsa - mixer-test: fix the number of parameters to ksft_exit_fail_msg()
ALSA: hda/tas2781: annotate calibration data endianness
ALSA: hda/realtek: Fix mute and mic-mute LEDs for HP Envy X360 13-ay0xxx
ALSA: hda/conexant: Fix headset auto detect fail in cx8070 and SN6140
ALSA: ac97: fix build regression
ALSA: hda: cs35l41: Support more HP models without _DSD
ALSA: hda/tas2781: add fixup for Lenovo 14ARB7
ALSA: hda/tas2781: add TAS2563 support for 14ARB7
ALSA: hda/tas2781: add configurable global i2c address
ALSA: hda/tas2781: add ptrs to calibration functions
ALSA: hda: Add driver properties for cs35l41 for Lenovo Legion Slim 7 Gen 8 serie
ALSA: hda/realtek: enable SND_PCI_QUIRK for Lenovo Legion Slim 7 Gen 8 (2023) serie
ALSA: hda/tas2781: configure the amp after firmware load
ALSA: mark all struct bus_type as const
ASoC: pxa: sspa: Don't select SND_ARM
ASoC: rt5663: cancel the work when system suspends
ALSA: scarlett2: Add PCM Input Switch for Solo Gen 4
...
new drivers:
- imagination - new driver for Imagination Technologies GPU
- xe - new driver for Intel GPUs using core drm concepts
core:
- add CLOSE_FB ioctl
- remove old UMS ioctls
- increase max objects to accomodate AMD color mgmt
encoder:
- create per-encoder debugfs directory
edid:
- split out drm_eld
- SAD helpers
- drop edid_firmware module parameter
format-helper:
- cache format conversion buffers
sched:
- move from kthread to workqueue
- rename some internals
- implement dynamic job-flow control
gpuvm:
- provide more features to handle GEM objects
client:
- don't acquire module reference
displayport:
- add mst path property documentation
fdinfo:
- alignment fix
dma-buf:
- add fence timestamp helper
- add fence deadline support
bridge:
- transparent aux-bridge for DP/USB-C
- lt8912b: add suspend/resume support and power regulator support
panel:
- edp: AUO B116XTN02, BOE NT116WHM-N21,836X2, NV116WHM-N49
- chromebook panel support
- elida-kd35t133: rework pm
- powkiddy RK2023 panel
- himax-hx8394: drop prepare/unprepare and shutdown logic
- BOE BP101WX1-100, Powkiddy X55, Ampire AM8001280G
- Evervision VGG644804, SDC ATNA45AF01
- nv3052c: register docs, init sequence fixes, fascontek FS035VG158
- st7701: Anbernic RG-ARC support
- r63353 panel controller
- Ilitek ILI9805 panel controller
- AUO G156HAN04.0
simplefb:
- support memory regions
- support power domains
amdgpu:
- add new 64-bit sequence number infrastructure
- add AMD specific color management
- ACPI WBRF support for RF interference handling
- GPUVM updates
- RAS updates
- DCN 3.5 updates
- Rework PCIe link speed handling
- Document GPU reset types
- DMUB fixes
- eDP fixes
- NBIO 7.9/7.11 updates
- SubVP updates
- XGMI PCIe state dumping for aqua vanjaram
- GFX11 golden register updates
- enable tunnelling on high pri compute
amdkfd:
- Migrate TLB flushing logic to amdgpu
- Trap handler fixes
- Fix restore workers handling on suspend/resume
- Fix possible memory leak in pqm_uninit()
- support import/export of dma-bufs using GEM handles
radeon:
- fix possible overflows in command buffer checking
- check for errors in ring_lock
i915:
- reorg display code for reuse in xe driver
- fdinfo memory stats printing
- DP MST bandwidth mgmt improvements
- DP panel replay enabling
- MTL C20 phy state verification
- MTL DP DSC fractional bpp support
- Audio fastset support
- use dma_fence interfaces instead of i915_sw_fence
- Separate gem and display code
- AUX register macro refactoring
- Separate display module/device parameters
- Move display capabilities debugfs under display
- Makefile cleanups
- Register cleanups
- Move display lock inits under display/
- VLV/CHV DPIO PHY register and interface refactoring
- DSI VBT sequence refactoring
- C10/C20 PHY PLL hardware readout
- DPLL code cleanups
- Cleanup PXP plane protection checks
- Improve display debug msgs
- PSR selective fetch fixes/improvements
- DP MST fixes
- Xe2LPD FBC restrictions removed
- DGFX uses direct VBT pin mapping
- more MTL WAs
- fix MTL eDP bug
- eliminate use of kmap_atomic
habanalabs:
- sysfs entry to identify a device minor id with debugfs path
- sysfs entry to expose device module id
- add signed device info retrieval through INFO ioctl
- add Gaudi2C device support
- pcie reset prepare/done hooks
msm:
- Add support for SDM670, SM8650
- Handle the CFG interconnect to fix the obscure hangs / timeouts
- Kconfig fix for QMP dependency
- use managed allocators
- DPU: SDM670, SM8650 support
- DPU: Enable SmartDMA on SM8350 and SM8450
- DP: enable runtime PM support
- GPU: add metadata UAPI
- GPU: move devcoredumps to GPU device
- GPU: convert to drm_exec
ivpu:
- update FW API
- new debugfs file
- a new NOP job submission test mode
- improve suspend/resume
- PM improvements
- MMU PT optimizations
- firmware profile frequency support
- support for uncached buffers
- switch to gem shmem helpers
- replace kthread with threaded irqs
rockchip:
- rk3066_hdmi: convert to atomic
- vop2: support nv20 and nv30
- rk3588 support
mediatek:
- use devm_platform_ioremap_resource
- stop using iommu_present
- MT8188 VDOSYS1 display support
panfrost:
- PM improvements
- improve interrupt handling as poweroff
qaic:
- allow to run with single MSI
- support host/device time sync
- switch to persistent DRM devices
exynos:
- fix potential error pointer dereference
- fix wrong error checking
- add missing call to drm_atomic_helper_shutdown
omapdrm:
- dma-fence lockdep annotation fix
tidss:
- dma-fence lockdep annotation fix
- support for AM62A7
v3d:
- BCM2712 - rpi5 support
- fdinfo + gputop support
- uapi for CPU job handling
virtio-gpu:
- add context debug name
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Merge tag 'drm-next-2024-01-10' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"This contains two major new drivers:
- imagination is a first driver for Imagination Technologies devices,
it only covers very specific devices, but there is hope to grow it
- xe is a reboot of the i915 GPU (shares display) side using a more
upstream focused development model, and trying to maximise code
sharing. It's not enabled for any hw by default, and will hopefully
get switched on for Intel's Lunarlake.
This also drops a bunch of the old UMS ioctls. It's been dead long
enough.
amdgpu has a bunch of new color management code that is being used in
the Steam Deck.
amdgpu also has a new ACPI WBRF interaction to help avoid radio
interference.
Otherwise it's the usual lots of changes in lots of places.
Detailed summary:
new drivers:
- imagination - new driver for Imagination Technologies GPU
- xe - new driver for Intel GPUs using core drm concepts
core:
- add CLOSE_FB ioctl
- remove old UMS ioctls
- increase max objects to accomodate AMD color mgmt
encoder:
- create per-encoder debugfs directory
edid:
- split out drm_eld
- SAD helpers
- drop edid_firmware module parameter
format-helper:
- cache format conversion buffers
sched:
- move from kthread to workqueue
- rename some internals
- implement dynamic job-flow control
gpuvm:
- provide more features to handle GEM objects
client:
- don't acquire module reference
displayport:
- add mst path property documentation
fdinfo:
- alignment fix
dma-buf:
- add fence timestamp helper
- add fence deadline support
bridge:
- transparent aux-bridge for DP/USB-C
- lt8912b: add suspend/resume support and power regulator support
panel:
- edp: AUO B116XTN02, BOE NT116WHM-N21,836X2, NV116WHM-N49
- chromebook panel support
- elida-kd35t133: rework pm
- powkiddy RK2023 panel
- himax-hx8394: drop prepare/unprepare and shutdown logic
- BOE BP101WX1-100, Powkiddy X55, Ampire AM8001280G
- Evervision VGG644804, SDC ATNA45AF01
- nv3052c: register docs, init sequence fixes, fascontek FS035VG158
- st7701: Anbernic RG-ARC support
- r63353 panel controller
- Ilitek ILI9805 panel controller
- AUO G156HAN04.0
simplefb:
- support memory regions
- support power domains
amdgpu:
- add new 64-bit sequence number infrastructure
- add AMD specific color management
- ACPI WBRF support for RF interference handling
- GPUVM updates
- RAS updates
- DCN 3.5 updates
- Rework PCIe link speed handling
- Document GPU reset types
- DMUB fixes
- eDP fixes
- NBIO 7.9/7.11 updates
- SubVP updates
- XGMI PCIe state dumping for aqua vanjaram
- GFX11 golden register updates
- enable tunnelling on high pri compute
amdkfd:
- Migrate TLB flushing logic to amdgpu
- Trap handler fixes
- Fix restore workers handling on suspend/resume
- Fix possible memory leak in pqm_uninit()
- support import/export of dma-bufs using GEM handles
radeon:
- fix possible overflows in command buffer checking
- check for errors in ring_lock
i915:
- reorg display code for reuse in xe driver
- fdinfo memory stats printing
- DP MST bandwidth mgmt improvements
- DP panel replay enabling
- MTL C20 phy state verification
- MTL DP DSC fractional bpp support
- Audio fastset support
- use dma_fence interfaces instead of i915_sw_fence
- Separate gem and display code
- AUX register macro refactoring
- Separate display module/device parameters
- Move display capabilities debugfs under display
- Makefile cleanups
- Register cleanups
- Move display lock inits under display/
- VLV/CHV DPIO PHY register and interface refactoring
- DSI VBT sequence refactoring
- C10/C20 PHY PLL hardware readout
- DPLL code cleanups
- Cleanup PXP plane protection checks
- Improve display debug msgs
- PSR selective fetch fixes/improvements
- DP MST fixes
- Xe2LPD FBC restrictions removed
- DGFX uses direct VBT pin mapping
- more MTL WAs
- fix MTL eDP bug
- eliminate use of kmap_atomic
habanalabs:
- sysfs entry to identify a device minor id with debugfs path
- sysfs entry to expose device module id
- add signed device info retrieval through INFO ioctl
- add Gaudi2C device support
- pcie reset prepare/done hooks
msm:
- Add support for SDM670, SM8650
- Handle the CFG interconnect to fix the obscure hangs / timeouts
- Kconfig fix for QMP dependency
- use managed allocators
- DPU: SDM670, SM8650 support
- DPU: Enable SmartDMA on SM8350 and SM8450
- DP: enable runtime PM support
- GPU: add metadata UAPI
- GPU: move devcoredumps to GPU device
- GPU: convert to drm_exec
ivpu:
- update FW API
- new debugfs file
- a new NOP job submission test mode
- improve suspend/resume
- PM improvements
- MMU PT optimizations
- firmware profile frequency support
- support for uncached buffers
- switch to gem shmem helpers
- replace kthread with threaded irqs
rockchip:
- rk3066_hdmi: convert to atomic
- vop2: support nv20 and nv30
- rk3588 support
mediatek:
- use devm_platform_ioremap_resource
- stop using iommu_present
- MT8188 VDOSYS1 display support
panfrost:
- PM improvements
- improve interrupt handling as poweroff
qaic:
- allow to run with single MSI
- support host/device time sync
- switch to persistent DRM devices
exynos:
- fix potential error pointer dereference
- fix wrong error checking
- add missing call to drm_atomic_helper_shutdown
omapdrm:
- dma-fence lockdep annotation fix
tidss:
- dma-fence lockdep annotation fix
- support for AM62A7
v3d:
- BCM2712 - rpi5 support
- fdinfo + gputop support
- uapi for CPU job handling
virtio-gpu:
- add context debug name"
* tag 'drm-next-2024-01-10' of git://anongit.freedesktop.org/drm/drm: (2340 commits)
drm/amd/display: Allow z8/z10 from driver
drm/amd/display: fix bandwidth validation failure on DCN 2.1
drm/amdgpu: apply the RV2 system aperture fix to RN/CZN as well
drm/amd/display: Move fixpt_from_s3132 to amdgpu_dm
drm/amd/display: Fix recent checkpatch errors in amdgpu_dm
Revert "drm/amdkfd: Relocate TBA/TMA to opposite side of VM hole"
drm/amd/display: avoid stringop-overflow warnings for dp_decide_lane_settings()
drm/amd/display: Fix power_helpers.c codestyle
drm/amd/display: Fix hdcp_log.h codestyle
drm/amd/display: Fix hdcp2_execution.c codestyle
drm/amd/display: Fix hdcp_psp.h codestyle
drm/amd/display: Fix freesync.c codestyle
drm/amd/display: Fix hdcp_psp.c codestyle
drm/amd/display: Fix hdcp1_execution.c codestyle
drm/amd/pm/smu7: fix a memleak in smu7_hwmgr_backend_init
drm/amdkfd: Fix iterator used outside loop in 'kfd_add_peer_prop()'
drm/amdgpu: Drop 'fence' check in 'to_amdgpu_amdkfd_fence()'
drm/amdkfd: Confirm list is non-empty before utilizing list_first_entry in kfd_topology.c
drm/amdgpu: Fix '*fw' from request_firmware() not released in 'amdgpu_ucode_request()'
drm/amdgpu: Fix variable 'mca_funcs' dereferenced before NULL check in 'amdgpu_mca_smu_get_mca_entry()'
...
It's not easy to let go responsibility for a subsystem that one cared
for for a long time, but Thierry realized that his heart isn't in the
pwm framework any more.
Thierry cared for the pwm subsystem (commit 200efedd87 ("pwm: Take
over maintainership of the PWM subsystem")) as a maintainer during
nearly 12 years. A big thanks for the time, effort and dedication spend
during that time.
Uwe takes over maintenance.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
From looking at the PCI IDs, every device supported by intelfb is
also supported by i915. Anyone still using intelfb should please
move on to i915, which does everything intelfb does but better.
Removing intelfb is motivated by the driver's excessive use of the
global screen_info state. The state belongs to architecture and
firmware code; device drivers should not attempt to access it. But
fixing intelfb would require a significant change in the driver's
probing logic. As intelfb has been obsolete for nearly 2 decades,
it is probably not worth the effort. Let's just remove it. Also
remove the related documentation.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Maik Broemme <mbroemme@libmpq.org>
Signed-off-by: Helge Deller <deller@gmx.de>
We have managed to ascertain that all users of the old FBDEV
code that are out of tree are now gone.
The new DRM driver can be found in drivers/gpu/drm/pl111/.
The remaining out of tree user was the ARM FVP emulation
platform, running Android. Thanks to changes in Android
versions 13 and 14, Android can now use the DRM driver when
being emulated under FVP. Some final patches are being put
in place to make it fully featured.
This is essentially a revert of the partial revert in
commit 112c35237c ("Partially revert "video: fbdev: amba-clcd: Retire elder CLCD driver"")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Helge Deller <deller@gmx.de>
- The minimum Sphinx requirement has been raised to 2.4.4, following a
warning that was added in 6.2.
- Some reworking of the Documentation/process front page to, hopefully,
make it more useful.
- Various kernel-doc tweaks to, for example, make it deal properly with
__counted_by annotations.
- We have also restored a warning for documentation of nonexistent
structure members that disappeared a while back. That had the delightful
consequence of adding some 600 warnings to the docs build. A sustained
effort by Randy, Vegard, and myself has addressed almost all of those,
bringing the documentation back into sync with the code. The fixes are
going through the appropriate maintainer trees.
- Various improvements to the HTML rendered docs, including automatic links
to Git revisions and a nice new pulldown to make translations easy to
access.
- Speaking of translations, more of those for Spanish and Chinese.
...plus the usual stream of documentation updates and typo fixes.
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Merge tag 'docs-6.8' of git://git.lwn.net/linux
Pull documentation update from Jonathan Corbet:
"Another moderately busy cycle for documentation, including:
- The minimum Sphinx requirement has been raised to 2.4.4, following
a warning that was added in 6.2
- Some reworking of the Documentation/process front page to,
hopefully, make it more useful
- Various kernel-doc tweaks to, for example, make it deal properly
with __counted_by annotations
- We have also restored a warning for documentation of nonexistent
structure members that disappeared a while back. That had the
delightful consequence of adding some 600 warnings to the docs
build. A sustained effort by Randy, Vegard, and myself has
addressed almost all of those, bringing the documentation back into
sync with the code. The fixes are going through the appropriate
maintainer trees
- Various improvements to the HTML rendered docs, including automatic
links to Git revisions and a nice new pulldown to make translations
easy to access
- Speaking of translations, more of those for Spanish and Chinese
... plus the usual stream of documentation updates and typo fixes"
* tag 'docs-6.8' of git://git.lwn.net/linux: (57 commits)
MAINTAINERS: use tabs for indent of CONFIDENTIAL COMPUTING THREAT MODEL
A reworked process/index.rst
ring-buffer/Documentation: Add documentation on buffer_percent file
Translated the RISC-V architecture boot documentation.
Docs: remove mentions of fdformat from util-linux
Docs/zh_CN: Fix the meaning of DEBUG to pr_debug()
Documentation: move driver-api/dcdbas to userspace-api/
Documentation: move driver-api/isapnp to userspace-api/
Documentation/core-api : fix typo in workqueue
Documentation/trace: Fixed typos in the ftrace FLAGS section
kernel-doc: handle a void function without producing a warning
scripts/get_abi.pl: ignore some temp files
docs: kernel_abi.py: fix command injection
scripts/get_abi: fix source path leak
CREDITS, MAINTAINERS, docs/process/howto: Update man-pages' maintainer
docs: translations: add translations links when they exist
kernel-doc: Align quick help and the code
MAINTAINERS: add reviewer for Spanish translations
docs: ignore __counted_by attribute in structure definitions
scripts: kernel-doc: Clarify missing struct member description
..
I missed that Dany uses a different email address
when tagging patches (drt@linux.ibm.com)
and asked him if he's still actively working on ibmvnic.
He doesn't really fall under our removal criteria,
but he admitted that he already moved on to other projects.
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240109164517.3063131-8-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We haven't heard from Ralf for two years, according to lore.
We get a constant stream of "fixes" to ax25 from people using
code analysis tools. Nobody is reviewing those, let's reflect
this reality in MAINTAINERS.
Subsystem AX.25 NETWORK LAYER
Changes 9 / 59 (15%)
(No activity)
Top reviewers:
[2]: mkl@pengutronix.de
[2]: edumazet@google.com
[2]: stefan@datenfreihafen.org
INACTIVE MAINTAINER Ralf Baechle <ralf@linux-mips.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240109164517.3063131-7-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Johan moved to maintaining the Zephyr Bluetooth stack,
and we haven't heard from him on the ML in 3 years
(according to lore), and seen any tags in git in 4 years.
Trade the MAINTAINER entry for CREDITS, we can revert
whenever Johan comes back to Linux hacking :)
Subsystem BLUETOOTH SUBSYSTEM
Changes 173 / 986 (17%)
Last activity: 2023-12-22
Marcel Holtmann <marcel@holtmann.org>:
Author 91cb4c1911 2022-01-27 00:00:00 52
Committer edcb185fa9 2022-05-23 00:00:00 446
Tags 000c2fa2c1 2023-04-23 00:00:00 523
Johan Hedberg <johan.hedberg@gmail.com>:
Luiz Augusto von Dentz <luiz.dentz@gmail.com>:
Author d03376c185 2023-12-22 00:00:00 241
Committer da9065caa5 2023-12-22 00:00:00 341
Tags da9065caa5 2023-12-22 00:00:00 493
Top reviewers:
[33]: alainm@chromium.org
[31]: mcchou@chromium.org
[27]: abhishekpandit@chromium.org
INACTIVE MAINTAINER Johan Hedberg <johan.hedberg@gmail.com>
Link: https://lore.kernel.org/r/20240109164517.3063131-6-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Thomas is still active in other bits of the kernel and beyond
but not as much on the Marvell Ethernet devices.
Our scripts report:
Subsystem MARVELL MVNETA ETHERNET DRIVER
Changes 54 / 176 (30%)
(No activity)
Top reviewers:
[12]: hawk@kernel.org
[9]: toke@redhat.com
[9]: john.fastabend@gmail.com
INACTIVE MAINTAINER Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Link: https://lore.kernel.org/r/20240109164517.3063131-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
mt7530 is a pretty active driver and last we have heard
from Landen Chao on the list was March. There were total
of 4 message from them in the last 2.5 years.
I think it's time to move to CREDITS.
Subsystem MEDIATEK SWITCH DRIVER
Changes 94 / 169 (55%)
Last activity: 2023-10-11
Arınç ÜNAL <arinc.unal@arinc9.com>:
Author e94b590abf 2023-08-19 00:00:00 12
Tags e94b590abf 2023-08-19 00:00:00 16
Daniel Golle <daniel@makrotopia.org>:
Author 91daa4f62c 2023-04-19 00:00:00 17
Tags ac49b99257 2023-10-11 00:00:00 20
Landen Chao <Landen.Chao@mediatek.com>:
DENG Qingfang <dqfext@gmail.com>:
Author 342afce10d 2021-10-18 00:00:00 24
Tags 342afce10d 2021-10-18 00:00:00 25
Sean Wang <sean.wang@mediatek.com>:
Tags c288575f78 2020-09-14 00:00:00 5
Top reviewers:
[46]: f.fainelli@gmail.com
[29]: andrew@lunn.ch
[19]: olteanv@gmail.com
INACTIVE MAINTAINER Landen Chao <Landen.Chao@mediatek.com>
Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/20240109164517.3063131-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
John is still active in other bits of the kernel but not much
on the MediaTek ethernet switch side. Our scripts report:
Subsystem MEDIATEK ETHERNET DRIVER
Changes 81 / 384 (21%)
Last activity: 2023-12-21
Felix Fietkau <nbd@nbd.name>:
Author c6d96df9fa 2023-05-02 00:00:00 42
Tags c6d96df9fa 2023-05-02 00:00:00 48
John Crispin <john@phrozen.org>:
Sean Wang <sean.wang@mediatek.com>:
Author 880c2d4b2f 2019-06-03 00:00:00 5
Tags a5d7553829 2020-04-07 00:00:00 7
Mark Lee <Mark-MC.Lee@mediatek.com>:
Author 8d66a8183d 2019-11-14 00:00:00 4
Tags 8d66a8183d 2019-11-14 00:00:00 4
Lorenzo Bianconi <lorenzo@kernel.org>:
Author 7cb8cd4daa 2023-12-21 00:00:00 98
Tags 7cb8cd4daa 2023-12-21 00:00:00 112
Top reviewers:
[18]: horms@kernel.org
[15]: leonro@nvidia.com
[8]: rmk+kernel@armlinux.org.uk
INACTIVE MAINTAINER John Crispin <john@phrozen.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: John Crispin <john@phrozen.org>
Link: https://lore.kernel.org/r/20240109164517.3063131-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Updates to the usual drivers (ufs, mpi3mr, mpt3sas, lpfc, fnic,
hisi_sas, arcmsr, ) plus the usual assorted minor fixes and updates.
This time around there's only a single line update to the core, so
nothing major and barely anything minor.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (ufs, mpi3mr, mpt3sas, lpfc, fnic,
hisi_sas, arcmsr, ) plus the usual assorted minor fixes and updates.
This time around there's only a single line update to the core, so
nothing major and barely anything minor"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (135 commits)
scsi: ufs: core: Simplify ufshcd_auto_hibern8_update()
scsi: ufs: core: Rename ufshcd_auto_hibern8_enable() and make it static
scsi: ufs: qcom: Fix ESI vector mask
scsi: ufs: host: Fix kernel-doc warning
scsi: hisi_sas: Correct the number of global debugfs registers
scsi: hisi_sas: Rollback some operations if FLR failed
scsi: hisi_sas: Check before using pointer variables
scsi: hisi_sas: Replace with standard error code return value
scsi: hisi_sas: Set .phy_attached before notifing phyup event HISI_PHYE_PHY_UP_PM
scsi: ufs: core: Add sysfs node for UFS RTC update
scsi: ufs: core: Add UFS RTC support
scsi: ufs: core: Add ufshcd_is_ufs_dev_busy()
scsi: ufs: qcom: Remove unused definitions
scsi: ufs: qcom: Use ufshcd_rmwl() where applicable
scsi: ufs: qcom: Remove support for host controllers older than v2.0
scsi: ufs: qcom: Simplify ufs_qcom_{assert/deassert}_reset
scsi: ufs: qcom: Initialize cycles_in_1us variable in ufs_qcom_set_core_clk_ctrl()
scsi: ufs: qcom: Sort includes alphabetically
scsi: ufs: qcom: Remove unused ufs_qcom_hosts struct array
scsi: ufs: qcom: Use dev_err_probe() to simplify error handling of devm_gpiod_get_optional()
...
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Merge tag 'for-6.8/io_uring-2024-01-08' of git://git.kernel.dk/linux
Pull io_uring updates from Jens Axboe:
"Mostly just come fixes and cleanups, but one feature as well. In
detail:
- Harden the check for handling IOPOLL based on return (Pavel)
- Various minor optimizations (Pavel)
- Drop remnants of SCM_RIGHTS fd passing support, now that it's no
longer supported since 6.7 (me)
- Fix for a case where bytes_done wasn't initialized properly on a
failure condition for read/write requests (me)
- Move the register related code to a separate file (me)
- Add support for returning the provided ring buffer head (me)
- Add support for adding a direct descriptor to the normal file table
(me, Christian Brauner)
- Fix for ensuring pending task_work for a ring with DEFER_TASKRUN is
run even if we timeout waiting (me)"
* tag 'for-6.8/io_uring-2024-01-08' of git://git.kernel.dk/linux:
io_uring: ensure local task_work is run on wait timeout
io_uring/kbuf: add method for returning provided buffer ring head
io_uring/rw: ensure io->bytes_done is always initialized
io_uring: drop any code related to SCM_RIGHTS
io_uring/unix: drop usage of io_uring socket
io_uring/register: move io_uring_register(2) related code to register.c
io_uring/openclose: add support for IORING_OP_FIXED_FD_INSTALL
io_uring/cmd: inline io_uring_cmd_get_task
io_uring/cmd: inline io_uring_cmd_do_in_task_lazy
io_uring: split out cmd api into a separate header
io_uring: optimise ltimeout for inline execution
io_uring: don't check iopoll if request completes
Philipp Stanner