The tools/testing/selftests/vm/Makefile uses the variable TARGETS
internally to generate a list of platform-specific binary build targets
suffixed with _{32,64}. When building the selftests using its own
Makefile directly, such as via the following command run in a kernel tree:
One receives an error such as the following:
make: Entering directory '/root/linux/tools/testing/selftests'
make --no-builtin-rules ARCH=x86 -C ../../.. headers_install
make[1]: Entering directory '/root/linux'
INSTALL ./usr/include
make[1]: Leaving directory '/root/linux'
make[1]: Entering directory '/root/linux/tools/testing/selftests/vm'
make[1]: *** No rule to make target 'vm.c', needed by '/root/linux/tools/testing/selftests/vm/vm_64'. Stop.
make[1]: Leaving directory '/root/linux/tools/testing/selftests/vm'
make: *** [Makefile:175: all] Error 2
make: Leaving directory '/root/linux/tools/testing/selftests'
The TARGETS variable passed to tools/testing/selftests/Makefile collides
with the TARGETS used in tools/testing/selftests/vm/Makefile, so rename
the latter to VMTARGETS, eliminating the collision with no functional
change.
Link: https://lkml.kernel.org/r/20220504213454.1282532-1-jsavitz@redhat.com
Fixes: f21fda8f64 ("selftests: vm: pkeys: fix multilib builds for x86")
Signed-off-by: Joel Savitz <jsavitz@redhat.com>
Acked-by: Nico Pache <npache@redhat.com>
Cc: Joel Savitz <jsavitz@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Sandipan Das <sandipan@linux.ibm.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Separate linux.intel.com account was created for submitting and reviewing
kernel patches, thus need to map previously used primary Intel e-mail
address.
Link: https://lkml.kernel.org/r/20220505132624.41802-1-martyna.szapar-mudlaw@linux.intel.com
Signed-off-by: Martyna Szapar-Mudlaw <martyna.szapar-mudlaw@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The semantics of pfn_valid() is to check presence of the memory map for a
PFN and not whether a PFN is covered by the linear map. The memory map
may be present for NOMAP memory regions, but they won't be mapped in the
linear mapping. Accessing such regions via __va() when they are
memremap()'ed will cause a crash.
On v5.4.y the crash happens on qemu-arm with UEFI [1]:
<1>[ 0.084476] 8<--- cut here ---
<1>[ 0.084595] Unable to handle kernel paging request at virtual address dfb76000
<1>[ 0.084938] pgd = (ptrval)
<1>[ 0.085038] [dfb76000] *pgd=5f7fe801, *pte=00000000, *ppte=00000000
...
<4>[ 0.093923] [<c0ed6ce8>] (memcpy) from [<c16a06f8>] (dmi_setup+0x60/0x418)
<4>[ 0.094204] [<c16a06f8>] (dmi_setup) from [<c16a38d4>] (arm_dmi_init+0x8/0x10)
<4>[ 0.094408] [<c16a38d4>] (arm_dmi_init) from [<c0302e9c>] (do_one_initcall+0x50/0x228)
<4>[ 0.094619] [<c0302e9c>] (do_one_initcall) from [<c16011e4>] (kernel_init_freeable+0x15c/0x1f8)
<4>[ 0.094841] [<c16011e4>] (kernel_init_freeable) from [<c0f028cc>] (kernel_init+0x8/0x10c)
<4>[ 0.095057] [<c0f028cc>] (kernel_init) from [<c03010e8>] (ret_from_fork+0x14/0x2c)
On kernels v5.10.y and newer the same crash won't reproduce on ARM because
commit b10d6bca87 ("arch, drivers: replace for_each_membock() with
for_each_mem_range()") changed the way memory regions are registered in
the resource tree, but that merely covers up the problem.
On ARM64 memory resources registered in yet another way and there the
issue of wrong usage of pfn_valid() to ensure availability of the linear
map is also covered.
Implement arch_memremap_can_ram_remap() on ARM and ARM64 to prevent access
to NOMAP regions via the linear mapping in memremap().
Link: https://lore.kernel.org/all/Yl65zxGgFzF1Okac@sirena.org.uk
Link: https://lkml.kernel.org/r/20220426060107.7618-1-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Tested-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Will Deacon <will@kernel.org>
Cc: <stable@vger.kernel.org> [5.4+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The file permissions on the fdinfo dir from were changed from
S_IRUSR|S_IXUSR to S_IRUGO|S_IXUGO, and a PTRACE_MODE_READ check was added
for opening the fdinfo files [1]. However, the ptrace permission check
was not added to the directory, allowing anyone to get the open FD numbers
by reading the fdinfo directory.
Add the missing ptrace permission check for opening the fdinfo directory.
[1] https://lkml.kernel.org/r/20210308170651.919148-1-kaleshsingh@google.com
Link: https://lkml.kernel.org/r/20210713162008.1056986-1-kaleshsingh@google.com
Fixes: 7bc3fa0172 ("procfs: allow reading fdinfo with PTRACE_MODE_READ")
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Hridya Valsaraju <hridya@google.com>
Cc: Jann Horn <jannh@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The mremap syscall is supposed to return a pointer to the new virtual
memory area on success, and a negative value of the error code in case of
failure. Currently, EFAULT is returned when the VMA is not found, instead
of -EFAULT. The users of this syscall will therefore believe the syscall
succeeded in case the VMA didn't exist, as it returns a pointer to address
0xe (0xe being the value of EFAULT). Fix the sign of the error value.
Link: https://lkml.kernel.org/r/20220427224439.23828-2-dossche.niels@gmail.com
Fixes: 550a7d60bd ("mm, hugepages: add mremap() support for hugepage backed vma")
Signed-off-by: Niels Dossche <dossche.niels@gmail.com>
Cc: Mina Almasry <almasrymina@google.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Building with SENSORS_LTQ_CPUTEMP=y with SOC_FALCON=y causes build
errors since FALCON does not support the same features as XWAY.
Change this symbol to depend on SOC_XWAY since that provides the
necessary interfaces.
Repairs these build errors:
../drivers/hwmon/ltq-cputemp.c: In function 'ltq_cputemp_enable':
../drivers/hwmon/ltq-cputemp.c:23:9: error: implicit declaration of function 'ltq_cgu_w32'; did you mean 'ltq_ebu_w32'? [-Werror=implicit-function-declaration]
23 | ltq_cgu_w32(ltq_cgu_r32(CGU_GPHY1_CR) | CGU_TEMP_PD, CGU_GPHY1_CR);
../drivers/hwmon/ltq-cputemp.c:23:21: error: implicit declaration of function 'ltq_cgu_r32'; did you mean 'ltq_ebu_r32'? [-Werror=implicit-function-declaration]
23 | ltq_cgu_w32(ltq_cgu_r32(CGU_GPHY1_CR) | CGU_TEMP_PD, CGU_GPHY1_CR);
../drivers/hwmon/ltq-cputemp.c: In function 'ltq_cputemp_probe':
../drivers/hwmon/ltq-cputemp.c:92:31: error: 'SOC_TYPE_VR9_2' undeclared (first use in this function)
92 | if (ltq_soc_type() != SOC_TYPE_VR9_2)
Fixes: 7074d0a927 ("hwmon: (ltq-cputemp) add cpu temp sensor driver")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Florian Eckert <fe@dev.tdt.de>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: linux-hwmon@vger.kernel.org
Link: https://lore.kernel.org/r/20220509234740.26841-1-rdunlap@infradead.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The W=2 build pointed out that the code wasn't initializing all the
variables in the dim_cq_moder declarations with the struct initializers.
The net change here is zero since these structs were already static
const globals and were initialized with zeros by the compiler, but
removing compiler warnings has value in and of itself.
lib/dim/net_dim.c: At top level:
lib/dim/net_dim.c:54:9: warning: missing initializer for field ‘comps’ of ‘const struct dim_cq_moder’ [-Wmissing-field-initializers]
54 | NET_DIM_RX_EQE_PROFILES,
| ^~~~~~~~~~~~~~~~~~~~~~~
In file included from lib/dim/net_dim.c:6:
./include/linux/dim.h:45:13: note: ‘comps’ declared here
45 | u16 comps;
| ^~~~~
and repeats for the tx struct, and once you fix the comps entry then
the cq_period_mode field needs the same treatment.
Use the commonly accepted style to indicate to the compiler that we
know what we're doing, and add a comma at the end of each struct
initializer to clean up the issue, and use explicit initializers
for the fields we are initializing which makes the compiler happy.
While here and fixing these lines, clean up the code slightly with
a fix for the super long lines by removing the word "_MODERATION" from a
couple defines only used in this file.
Fixes: f8be17b81d ("lib/dim: Fix -Wunused-const-variable warnings")
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Link: https://lore.kernel.org/r/20220507011038.14568-1-jesse.brandeburg@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The initial code used roundup() to round the starting time to
a multiple of a period. This generated an error on 32-bit
systems, so was replaced with DIV_ROUND_UP_ULL().
However, this truncates to 32-bits on a 64-bit system. Replace
with DIV64_U64_ROUND_UP() instead.
Fixes: b325af3cfa ("ptp: ocp: Add signal generators and update sysfs nodes")
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Link: https://lore.kernel.org/r/20220506223739.1930-2-jonathan.lemon@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix the missing pci_disable_device() before return
from tulip_init_one() in the error handling case.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220506094250.3630615-1-yangyingliang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Turns out that ever since this mount option was added, passing
`softreval` in NFS mount options cancelled all other flags while not
affecting the underlying flag `NFS_MOUNT_SOFTREVAL`.
Fixes: c74dfe97c1 ("NFS: Add mount option 'softreval'")
Signed-off-by: Dan Aloni <dan.aloni@vastdata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
3th set of pdx86 fixes for 5.18:
- thinkpad_acpi AMD suspend/resume + fan detection fixes
- 2 other small fixes
- 1 hardware-id addition
The following is an automated git shortlog grouped by driver:
platform/surface:
- aggregator: Fix initialization order when compiling as builtin module
- gpe: Add support for Surface Pro 8
platform/x86/intel:
- Fix 'rmmod pmt_telemetry' panic
thinkpad_acpi:
- Correct dual fan probe
- Add a s2idle resume quirk for a number of laptops
- Convert btusb DMI list to quirks
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Merge tag 'platform-drivers-x86-v5.18-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- thinkpad_acpi AMD suspend/resume + fan detection fixes
- two other small fixes
- one hardware-id addition
* tag 'platform-drivers-x86-v5.18-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/surface: aggregator: Fix initialization order when compiling as builtin module
platform/surface: gpe: Add support for Surface Pro 8
platform/x86/intel: Fix 'rmmod pmt_telemetry' panic
platform/x86: thinkpad_acpi: Correct dual fan probe
platform/x86: thinkpad_acpi: Add a s2idle resume quirk for a number of laptops
platform/x86: thinkpad_acpi: Convert btusb DMI list to quirks
platform_get_irq() returns non-zero IRQ number on success,
negative error number on failure.
And the doc of platform_get_irq() provides a usage example:
int irq = platform_get_irq(pdev, 0);
if (irq < 0)
return irq;
Fix the check of return value to catch errors correctly.
Fixes: ad7fcbc308 ("slimbus: qcom: Add Qualcomm Slimbus controller driver")
Cc: stable@vger.kernel.org
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220429164917.5202-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The definition of RFKILL_IOCTL_MAX_SIZE introduced by commit
54f586a915 ("rfkill: make new event layout opt-in") is unusable
since it is based on RFKILL_IOC_EXT_SIZE which has not been defined.
Fix that by replacing the undefined constant with the constant which
is intended to be used in this definition.
Fixes: 54f586a915 ("rfkill: make new event layout opt-in")
Cc: stable@vger.kernel.org # 5.11+
Signed-off-by: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Link: https://lore.kernel.org/r/20220506172454.120319-1-glebfm@altlinux.org
[add commit message provided later by Dmitry]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This is needed since it might use (and pass out) pointers to
e.g. keys protected by RCU. Can't really happen here as the
frames aren't encrypted, but we need to still adhere to the
rules.
Fixes: cacfddf82b ("mac80211_hwsim: initialize ieee80211_tx_info at hw_scan_work")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20220505230421.5f139f9de173.I77ae111a28f7c0e9fd1ebcee7f39dbec5c606770@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Dirent events (create/delete/move) are only reported on watched
directory inodes, but in fanotify as well as in legacy inotify, it was
always allowed to set them on non-dir inode, which does not result in
any meaningful outcome.
Until kernel v5.17, dirent events in fanotify also differed from events
"on child" (e.g. FAN_OPEN) in the information provided in the event.
For example, FAN_OPEN could be set in the mask of a non-dir or the mask
of its parent and event would report the fid of the child regardless of
the marked object.
By contrast, FAN_DELETE is not reported if the child is marked and the
child fid was not reported in the events.
Since kernel v5.17, with fanotify group flag FAN_REPORT_TARGET_FID, the
fid of the child is reported with dirent events, like events "on child",
which may create confusion for users expecting the same behavior as
events "on child" when setting events in the mask on a child.
The desired semantics of setting dirent events in the mask of a child
are not clear, so for now, deny this action for a group initialized
with flag FAN_REPORT_TARGET_FID and for the new event FAN_RENAME.
We may relax this restriction in the future if we decide on the
semantics and implement them.
Fixes: d61fd650e9 ("fanotify: introduce group flag FAN_REPORT_TARGET_FID")
Fixes: 8cc3b1ccd9 ("fanotify: wire up FAN_RENAME event")
Link: https://lore.kernel.org/linux-fsdevel/20220505133057.zm5t6vumc4xdcnsg@quack3.lan/
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220507080028.219826-1-amir73il@gmail.com
When NET_F_F_GRO_FRAGLIST is enabled and bpf_skb_change_proto is used,
check if udp packets and tcp packets are successfully delivered to user
space. If wrong udp packets are delivered, udpgso_bench_rx will exit
with "Initial byte out of range"
Signed-off-by: Maciej enczykowski <maze@google.com>
Signed-off-by: Lina Wang <lina.wang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When clatd starts with ebpf offloaing, and NETIF_F_GRO_FRAGLIST is enable,
several skbs are gathered in skb_shinfo(skb)->frag_list. The first skb's
ipv6 header will be changed to ipv4 after bpf_skb_proto_6_to_4,
network_header\transport_header\mac_header have been updated as ipv4 acts,
but other skbs in frag_list didnot update anything, just ipv6 packets.
udp_queue_rcv_skb will call skb_segment_list to traverse other skbs in
frag_list and make sure right udp payload is delivered to user space.
Unfortunately, other skbs in frag_list who are still ipv6 packets are
updated like the first skb and will have wrong transport header length.
e.g.before bpf_skb_proto_6_to_4,the first skb and other skbs in frag_list
has the same network_header(24)& transport_header(64), after
bpf_skb_proto_6_to_4, ipv6 protocol has been changed to ipv4, the first
skb's network_header is 44,transport_header is 64, other skbs in frag_list
didnot change.After skb_segment_list, the other skbs in frag_list has
different network_header(24) and transport_header(44), so there will be 20
bytes different from original,that is difference between ipv6 header and
ipv4 header. Just change transport_header to be the same with original.
Actually, there are two solutions to fix it, one is traversing all skbs
and changing every skb header in bpf_skb_proto_6_to_4, the other is
modifying frag_list skb's header in skb_segment_list. Considering
efficiency, adopt the second one--- when the first skb and other skbs in
frag_list has different network_header length, restore them to make sure
right udp payload is delivered to user space.
Signed-off-by: Lina Wang <lina.wang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It fixes memory leak in ring buffer change logic.
When ring buffer size is changed(ethtool -G eth0 rx 4096), sfc driver
works like below.
1. stop all channels and remove ring buffers.
2. allocates new buffer array.
3. allocates rx buffers.
4. start channels.
While the above steps are working, it skips some steps if the channel
doesn't have a ->copy callback function.
Due to ptp channel doesn't have ->copy callback, these above steps are
skipped for ptp channel.
It eventually makes some problems.
a. ptp channel's ring buffer size is not changed, it works only
1024(default).
b. memory leak.
The reason for memory leak is to use the wrong ring buffer values.
There are some values, which is related to ring buffer size.
a. efx->rxq_entries
- This is global value of rx queue size.
b. rx_queue->ptr_mask
- used for access ring buffer as circular ring.
- roundup_pow_of_two(efx->rxq_entries) - 1
c. rx_queue->max_fill
- efx->rxq_entries - EFX_RXD_HEAD_ROOM
These all values should be based on ring buffer size consistently.
But ptp channel's values are not.
a. efx->rxq_entries
- This is global(for sfc) value, always new ring buffer size.
b. rx_queue->ptr_mask
- This is always 1023(default).
c. rx_queue->max_fill
- This is new ring buffer size - EFX_RXD_HEAD_ROOM.
Let's assume we set 4096 for rx ring buffer,
normal channel ptp channel
efx->rxq_entries 4096 4096
rx_queue->ptr_mask 4095 1023
rx_queue->max_fill 4086 4086
sfc driver allocates rx ring buffers based on these values.
When it allocates ptp channel's ring buffer, 4086 ring buffers are
allocated then, these buffers are attached to the allocated array.
But ptp channel's ring buffer array size is still 1024(default)
and ptr_mask is still 1023 too.
So, 3062 ring buffers will be overwritten to the array.
This is the reason for memory leak.
Test commands:
ethtool -G <interface name> rx 4096
while :
do
ip link set <interface name> up
ip link set <interface name> down
done
In order to avoid this problem, it adds ->copy callback to ptp channel
type.
So that rx_queue->ptr_mask value will be updated correctly.
Fixes: 7c236c43b8 ("sfc: Add support for IEEE-1588 PTP")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To pick the changes in:
d495f942f4 ("KVM: fix bad user ABI for KVM_EXIT_SYSTEM_EVENT")
That just rebuilds perf, as these patches don't add any new KVM ioctl to
be harvested for the the 'perf trace' ioctl syscall argument
beautifiers.
This is also by now used by tools/testing/selftests/kvm/, a simple test
build succeeded.
This silences this perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from latest version at 'include/uapi/linux/kvm.h'
diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Link: http://lore.kernel.org/lkml/YnE5BIweGmCkpOTN@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Currently the `perf test` always fails the coresight test like:
89: Check Arm CoreSight trace data recording and synthesized samples: FAILED!
That is because the test_arm_coresight.sh is attempting to SIGINT the
parent but is using $$ rather than $PPID and it sigint's itself when
run under the perf test framework.
Since this is done in a trap clause it ends up returning a non zero
return.
Since $PPID is a bash ism and not all distros are linking /bin/sh to
bash, the alternative parent pid lookups are uglier than just dropping
the kill, and its not strictly needed, lets pick the simple solution and
drop the sigint.
Fixes: 133fe2e617 ("perf tests: Improve temp file cleanup in test_arm_coresight.sh")
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Jeremy Linton <jeremy.linton@arm.com>
Link: https://lore.kernel.org/r/20220428151947.290146-1-jeremy.linton@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
BUG_ON is a no-op if NDEBUG is defined, otherwise it is an assert.
Compiling with NDEBUG yields:
bench/numa.c: In function ‘bind_to_cpu’:
bench/numa.c:314:1: error: control reaches end of non-void function [-Werror=return-type]
314 | }
| ^
bench/numa.c: In function ‘bind_to_node’:
bench/numa.c:367:1: error: control reaches end of non-void function [-Werror=return-type]
367 | }
| ^
Add return statements to cover this case.
Reviewed-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20220428202912.1056444-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Some reverts of existing patches, which were necessary because of boot
issues due to wrong CPU clock handling and cache issues which led to
userspace segfaults with 32bit kernels.
Other than that just small updates and fixes, e.g. defconfig updates,
spelling fixes, a clocksource fix, boot topology fixes and a fix for
/proc/cpuinfo output to satisfy lscpu.
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Merge tag 'for-5.18/parisc-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture fixes from Helge Deller:
"Some reverts of existing patches, which were necessary because of boot
issues due to wrong CPU clock handling and cache issues which led to
userspace segfaults with 32bit kernels. Dave has a whole bunch of
upcoming cache fixes which I then plan to push in the next merge
window.
Other than that just small updates and fixes, e.g. defconfig updates,
spelling fixes, a clocksource fix, boot topology fixes and a fix for
/proc/cpuinfo output to satisfy lscpu"
* tag 'for-5.18/parisc-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
Revert "parisc: Increase parisc_cache_flush_threshold setting"
parisc: Mark cr16 clock unstable on all SMP machines
parisc: Fix typos in comments
parisc: Change MAX_ADDRESS to become unsigned long long
parisc: Merge model and model name into one line in /proc/cpuinfo
parisc: Re-enable GENERIC_CPU_DEVICES for !SMP
parisc: Update 32- and 64-bit defconfigs
parisc: Only list existing CPUs in cpu_possible_mask
Revert "parisc: Fix patch code locking and flushing"
Revert "parisc: Mark sched_clock unstable only if clocks are not syncronized"
Revert "parisc: Mark cr16 CPU clocksource unstable on all SMP machines"
- Fix the DWARF CFI in our VDSO time functions, allowing gdb to backtrace through them
correctly.
- Fix a buffer overflow in the papr_scm driver, only triggerable by hypervisor input.
- A fix in the recently added QoS handling for VAS (used for communicating with
coprocessors).
Thanks to: Alan Modra, Haren Myneni, Kajol Jain, Segher Boessenkool.
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Merge tag 'powerpc-5.18-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix the DWARF CFI in our VDSO time functions, allowing gdb to
backtrace through them correctly.
- Fix a buffer overflow in the papr_scm driver, only triggerable by
hypervisor input.
- A fix in the recently added QoS handling for VAS (used for
communicating with coprocessors).
Thanks to Alan Modra, Haren Myneni, Kajol Jain, and Segher Boessenkool.
* tag 'powerpc-5.18-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/papr_scm: Fix buffer overflow issue with CONFIG_FORTIFY_SOURCE
powerpc/vdso: Fix incorrect CFI in gettimeofday.S
powerpc/pseries/vas: Use QoS credits from the userspace
- Prevent FPU state corruption. The condition in irq_fpu_usable() grants
FPU usage when the FPU is not used in the kernel. That's just wrong as
it does not take the fpregs_lock()'ed regions into account. If FPU usage
happens within such a region from interrupt context, then the FPU state
gets corrupted. That's a long standing bug, which got unearthed by the
recent changes to the random code.
- Josh wants to use his kernel.org email address
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Merge tag 'x86-urgent-2022-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Thomas Gleixner:
"A fix and an email address update:
- Prevent FPU state corruption.
The condition in irq_fpu_usable() grants FPU usage when the FPU is
not used in the kernel. That's just wrong as it does not take the
fpregs_lock()'ed regions into account. If FPU usage happens within
such a region from interrupt context, then the FPU state gets
corrupted.
That's a long standing bug, which got unearthed by the recent
changes to the random code.
- Josh wants to use his kernel.org email address"
* tag 'x86-urgent-2022-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Prevent FPU state corruption
MAINTAINERS: Update Josh Poimboeuf's email address
- Mark the NMI safe time accessors notrace to prevent tracer recursion
when they are selected as trace clocks.
- John Stultz has a new email address
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Merge tag 'timers-urgent-2022-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"A fix and an email address update:
- Mark the NMI safe time accessors notrace to prevent tracer
recursion when they are selected as trace clocks.
- John Stultz has a new email address"
* tag 'timers-urgent-2022-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timekeeping: Mark NMI safe time accessors as notrace
MAINTAINERS: Update email address for John Stultz
request/free_irq() can result in a hang because the interrupt thread did
not reach the thread function and got stopped in the kthread core
already. That leaves a state active counter arround which makes a
invocation of synchronized_irq() on that interrupt hang forever. Ensure
that the thread reached the thread function in request_irq() to prevent
that.
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Merge tag 'irq-urgent-2022-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Thomas Gleixner:
"A fix for the threaded interrupt core.
A quick sequence of request/free_irq() can result in a hang because
the interrupt thread did not reach the thread function and got stopped
in the kthread core already. That leaves a state active counter
arround which makes a invocation of synchronized_irq() on that
interrupt hang forever.
Ensure that the thread reached the thread function in request_irq() to
prevent that"
* tag 'irq-urgent-2022-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Synchronize interrupt thread startup
The cr16 interval timers are not synchronized across CPUs, even with just
one dual-core CPU. This becomes visible if the machines have a longer
uptime.
Signed-off-by: Helge Deller <deller@gmx.de>
Various spelling mistakes in comments.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Helge Deller <deller@gmx.de>
Dave noticed that for the 32-bit kernel MAX_ADDRESS should be a ULL,
otherwise this define would become 0:
MAX_ADDRESS (1UL << MAX_ADDRBITS)
It has no real effect on the kernel.
Signed-off-by: Helge Deller <deller@gmx.de>
Noticed-by: John David Anglin <dave.anglin@bell.net>
The Linux tool "lscpu" shows the double amount of CPUs if we have
"model" and "model name" in two different lines in /proc/cpuinfo.
This change combines the model and the model name into one line.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org
In commit 62773112ac ("parisc: Switch from GENERIC_CPU_DEVICES to
GENERIC_ARCH_TOPOLOGY") GENERIC_CPU_DEVICES was unconditionally turned
off, but this triggers a warning in topology_add_dev(). Turning it back
on for the !SMP case avoids this warning.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Fixes: 62773112ac ("parisc: Switch from GENERIC_CPU_DEVICES to GENERIC_ARCH_TOPOLOGY")
Signed-off-by: Helge Deller <deller@gmx.de>
Enable CONFIG_CGROUPS=y on 32-bit defconfig for systemd-support, and
enable CONFIG_NAMESPACES and CONFIG_USER_NS.
Signed-off-by: Helge Deller <deller@gmx.de>
The inventory knows which CPUs are in the system, so this bitmask should
be in cpu_possible_mask instead of the bitmask based on CONFIG_NR_CPUS.
Reset the cpu_possible_mask before scanning the system for CPUs, and
mark each existing CPU as possible during initialization of that CPU.
This avoids those warnings later on too:
register_cpu_capacity_sysctl: too early to get CPU4 device!
Signed-off-by: Helge Deller <deller@gmx.de>
Noticed-by: John David Anglin <dave.anglin@bell.net>
This reverts commit d97180ad68.
It triggers RCU stalls at boot with a 32-bit kernel.
Signed-off-by: Helge Deller <deller@gmx.de>
Noticed-by: John David Anglin <dave.anglin@bell.net>
Cc: stable@vger.kernel.org # v5.15+
This reverts commit afdb4a5b1d.
It triggers RCU stalls at boot with a 32-bit kernel.
Signed-off-by: Helge Deller <deller@gmx.de>
Noticed-by: John David Anglin <dave.anglin@bell.net>
Cc: stable@vger.kernel.org # v5.16+
early. The PASID needs to be tied to the mm lifetime, not to the address
space lifetime.
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Merge tag 'core-urgent-2022-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull PASID fix from Thomas Gleixner:
"A single bugfix for the PASID management code, which freed the PASID
too early. The PASID needs to be tied to the mm lifetime, not to the
address space lifetime"
* tag 'core-urgent-2022-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
mm: Fix PASID use-after-free issue
It became slightly larger as I've been off in the last weeks.
The majority of changes at this PR is about ASoC, the fixes for
dmaengine and for for addressing issues reported by CI, as well as
other device-specific small fixes. Also, the fixes for FireWire
core stack and the usual HD-audio quirks are included.
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Merge tag 'sound-5.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This became slightly larger as I've been off in the last weeks.
The majority of changes here is about ASoC, fixes for dmaengine
and for addressing issues reported by CI, as well as other
device-specific small fixes.
Also, fixes for FireWire core stack and the usual HD-audio quirks
are included"
* tag 'sound-5.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (23 commits)
ASoC: SOF: Fix NULL pointer exception in sof_pci_probe callback
ASoC: ops: Validate input values in snd_soc_put_volsw_range()
ASoC: dmaengine: Restore NULL prepare_slave_config() callback
ASoC: atmel: mchp-pdmc: set prepare_slave_config
ASoC: max98090: Generate notifications on changes for custom control
ASoC: max98090: Reject invalid values in custom control put()
ALSA: fireworks: fix wrong return count shorter than expected by 4 bytes
ALSA: hda/realtek: Add quirk for Yoga Duet 7 13ITL6 speakers
firewire: core: extend card->lock in fw_core_handle_bus_reset
firewire: remove check of list iterator against head past the loop body
firewire: fix potential uaf in outbound_phy_packet_callback()
ASoC: rt9120: Correct the reg 0x09 size to one byte
ALSA: hda/realtek: Enable mute/micmute LEDs support for HP Laptops
ALSA: hda/realtek: Fix mute led issue on thinkpad with cs35l41 s-codec
ASoC: meson: axg-card: Fix nonatomic links
ASoC: meson: axg-tdm-interface: Fix formatters in trigger"
ASoC: soc-ops: fix error handling
ASoC: meson: Fix event generation for G12A tohdmi mux
ASoC: meson: Fix event generation for AUI CODEC mux
ASoC: meson: Fix event generation for AUI ACODEC mux
...
The last two users were floppy.c and ataflop.c respectively, it was
verified that no other drivers makes use of this, so let's remove it.
Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org>
Cc: Minh Yuan <yuanmingbuaa@gmail.com>
Cc: Denis Efremov <efremov@linux.com>,
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This is the last driver making use of fd_request->error_count, which is
easy to get wrong as was shown in floppy.c. We don't need to keep it
there, it can be moved to the atari_floppy_struct instead, so let's do
this.
Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org>
Cc: Minh Yuan <yuanmingbuaa@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
SeongJae Park