The only reason why cifs_sb gets passed today to cifs_try_adding_channels
is to pass the local_nls field for the new channels and binding session.
However, the ses struct already has local_nls field that is setup during
the first cifs_setup_session. So there is no need to pass cifs_sb.
This change removes cifs_sb from the arg list for this and the functions
that it calls and uses ses->local_nls instead.
Cc: stable@vger.kernel.org
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
The refcounting of server interfaces should account
for the primary channel too. Although this is not
strictly necessary, doing so will account for the primary
channel in DebugData.
Cc: stable@vger.kernel.org
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Today, if the server interfaces RSS capable, we simply
choose the fastest interface to setup a channel. This is not
a scalable approach, and does not make a lot of attempt to
distribute the connections.
This change does a weighted distribution of channels across
all the available server interfaces, where the weight is
a function of the advertised interface speed.
Also make sure that we don't mix rdma and non-rdma for channels.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
So far, SMB multichannel could only scale up, but not
scale down the number of channels. In this series of
patch, we now allow the client to deal with the case
of multichannel disabled on the server when the share
is mounted. With that change, we now need the ability
to scale down the channels.
This change allows the client to deal with cases of
missing channels more gracefully.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Some minor smbdirect debug cleanup spotted by checkpatch
Cc: Long Li <longli@microsoft.com>
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Proposed patch fixes initialization of CSC3551 on the UM5302LA laptop.
Patching DSDT table is not required since ASUS did added _DSD entry.
Nothing new introduced but reused work started by Stefan B.
Currently there is no official firmware available for 10431A83 on
cirrus git unfortunately.
For testing used 104317f3 (which is also seems on i2c bus):
$ cd /lib/firmware/cirrus/ && \
for fw in $(find ./ -name '*104317f3*'); do newfw=$(echo $fw | sed 's/104317f3/10431a83/g'); echo echo "$fw -> $newfw"; ln -s $f $newfw; done
With the patch applied to 6.6.0 and obviously symlinks to 104317F3 FW,
speakers works and to my susrprise they sound quite good and loud
without distortion.
Probably confirmation from cirrus team is needed on firmware.
Signed-off-by: Vitalii Torshyn <vitaly.torshyn@gmail.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218119
Link: https://lore.kernel.org/r/CAHiQ-bCMPpCJ8eOYAaVVoqGkFixS1qTgSS4xfbZvL4oZV9LYew@mail.gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
As reported recently, ALSA core info helper may cause a deadlock at
the forced device disconnection during the procfs operation.
The proc_remove() (that is called from the snd_card_disconnect()
helper) has a synchronization of the pending procfs accesses via
wait_for_completion(). Meanwhile, ALSA procfs helper takes the global
mutex_lock(&info_mutex) at both the proc_open callback and
snd_card_info_disconnect() helper. Since the proc_open can't finish
due to the mutex lock, wait_for_completion() never returns, either,
hence it deadlocks.
TASK#1 TASK#2
proc_reg_open()
takes use_pde()
snd_info_text_entry_open()
snd_card_disconnect()
snd_info_card_disconnect()
takes mutex_lock(&info_mutex)
proc_remove()
wait_for_completion(unused_pde)
... waiting task#1 closes
mutex_lock(&info_mutex)
=> DEADLOCK
This patch is a workaround for avoiding the deadlock scenario above.
The basic strategy is to move proc_remove() call outside the mutex
lock. proc_remove() can work gracefully without extra locking, and it
can delete the tree recursively alone. So, we call proc_remove() at
snd_info_card_disconnection() at first, then delete the rest resources
recursively within the info_mutex lock.
After the change, the function snd_info_disconnect() doesn't do
disconnection by itself any longer, but it merely clears the procfs
pointer. So rename the function to snd_info_clear_entries() for
avoiding confusion.
The similar change is applied to snd_info_free_entry(), too. Since
the proc_remove() is called only conditionally with the non-NULL
entry->p, it's skipped after the snd_info_clear_entries() call.
Reported-by: Shinhyung Kang <s47.kang@samsung.com>
Closes: https://lore.kernel.org/r/664457955.21699345385931.JavaMail.epsvc@epcpadp4
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20231109141954.4283-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This is really just a single patch, but since the offending fix hasn't
yet made it to my for-next I'm merging it here.
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Currently icss_iep_set_counter() writes the upper 32-bits of the
counter value to both the lower and upper counter registers, so
fix this by writing the appropriate value to the lower register.
Fixes: c1e0230eea ("net: ti: icss-iep: Add IEP driver")
Signed-off-by: Diogo Ivo <diogo.ivo@siemens.com>
Link: https://lore.kernel.org/r/20231107120037.1513546-1-diogo.ivo@siemens.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
One additional driver fix that came in during the merge window.
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Merge tag 'asoc-fix-v6.7-merge-window-2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: One more fix for the merge window
One additional driver fix that came in during the merge window.
These two ended up in the AIA series, but they're really independent
improvements.
* b4-shazam-merge:
of: property: Add fw_devlink support for msi-parent
RISC-V: Don't fail in riscv_of_parent_hartid() for disabled HARTs
Link: https://lore.kernel.org/r/20231027154254.355853-1-apatel@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This allows fw_devlink to create device links between consumers of
a MSI and the supplier of the MSI.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20231027154254.355853-3-apatel@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
The riscv_of_processor_hartid() used by riscv_of_parent_hartid() fails
for HARTs disabled in the DT. This results in the following warning
thrown by the RISC-V INTC driver for the E-core on SiFive boards:
[ 0.000000] riscv-intc: unable to find hart id for /cpus/cpu@0/interrupt-controller
The riscv_of_parent_hartid() is only expected to read the hartid
from the DT so we directly call of_get_cpu_hwid() instead of calling
riscv_of_processor_hartid().
Fixes: ad635e723e ("riscv: cpu: Add 64bit hartid support on RV64")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20231027154254.355853-2-apatel@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
There is no lock protection when writing ptp->tsevqs in ptp_open() and
ptp_release(), which can cause data corruption, use spin lock to avoid this
issue.
Moreover, ptp_release() should not be used to release the queue in ptp_read(),
and it should be deleted altogether.
Acked-by: Richard Cochran <richardcochran@gmail.com>
Reported-and-tested-by: syzbot+df3f3ef31f60781fa911@syzkaller.appspotmail.com
Fixes: 8f5de6fb24 ("ptp: support multiple timestamp event readers")
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Link: https://lore.kernel.org/r/tencent_CD19564FFE8DA8A5918DFE92325D92DD8107@qq.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-11-06 (ice)
This series contains updates to ice driver only.
Dave removes SR-IOV LAG attribute for only the interface being disabled
to allow for proper unwinding of all interfaces.
Michal Schmidt changes some LAG allocations from GFP_KERNEL to GFP_ATOMIC
due to non-allowed sleeping.
Aniruddha and Marcin fix redirection and drop rules for switchdev by
properly setting and marking egress/ingress type.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
ice: Fix VF-VF direction matching in drop rule in switchdev
ice: Fix VF-VF filter rules in switchdev mode
ice: lag: in RCU, use atomic allocation
ice: Fix SRIOV LAG disable on non-compliant aggregate
====================
Link: https://lore.kernel.org/r/20231107004844.655549-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-11-06 (i40e)
This series contains updates to i40e driver only.
Ivan Vecera resolves a couple issues with devlink; removing a call to
devlink_port_type_clear() and ensuring devlink port is unregistered
after the net device.
* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
i40e: Fix devlink port unregistering
i40e: Do not call devlink_port_type_clear()
====================
Link: https://lore.kernel.org/r/20231107003600.653796-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'nf-23-11-08' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
1) Add missing netfilter modules description to fix W=1, from Florian Westphal.
2) Fix catch-all element GC with timeout when use with the pipapo set
backend, this remained broken since I tried to fix it this summer,
then another attempt to fix it recently.
3) Add missing IPVS modules descriptions to fix W=1, also from Florian.
4) xt_recent allocated a too small buffer to store an IPv4-mapped IPv6
address which can be parsed by in6_pton(), from Maciej Zenczykowski.
Broken for many releases.
5) Skip IPv4-mapped IPv6, IPv4-compat IPv6, site/link local scoped IPv6
addressses to set up IPv6 NAT redirect, also from Florian. This is
broken since 2012.
* tag 'nf-23-11-08' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nat: fix ipv6 nat redirect with mapped and scoped addresses
netfilter: xt_recent: fix (increase) ipv6 literal buffer length
ipvs: add missing module descriptions
netfilter: nf_tables: remove catchall element in GC sync path
netfilter: add missing module descriptions
====================
Link: https://lore.kernel.org/r/20231108155802.84617-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2023-11-08
We've added 16 non-merge commits during the last 6 day(s) which contain
a total of 30 files changed, 341 insertions(+), 130 deletions(-).
The main changes are:
1) Fix a BPF verifier issue in precision tracking for BPF_ALU | BPF_TO_BE |
BPF_END where the source register was incorrectly marked as precise,
from Shung-Hsi Yu.
2) Fix a concurrency issue in bpf_timer where the former could still have
been alive after an application releases or unpins the map, from Hou Tao.
3) Fix a BPF verifier issue where immediates are incorrectly cast to u32
before being spilled and therefore losing sign information, from Hao Sun.
4) Fix a misplaced BPF_TRACE_ITER in check_css_task_iter_allowlist which
incorrectly compared bpf_prog_type with bpf_attach_type, from Chuyi Zhou.
5) Add __bpf_hook_{start,end} as well as __bpf_kfunc_{start,end}_defs macros,
migrate all BPF-related __diag callsites over to it, and add a new
__diag_ignore_all for -Wmissing-declarations to the macros to address
recent build warnings, from Dave Marchevsky.
6) Fix broken BPF selftest build of xdp_hw_metadata test on architectures
where char is not signed, from Björn Töpel.
7) Fix test_maps selftest to properly use LIBBPF_OPTS() macro to initialize
the bpf_map_create_opts, from Andrii Nakryiko.
8) Fix bpffs selftest to avoid unmounting /sys/kernel/debug as it may have
been mounted and used by other applications already, from Manu Bretelle.
9) Fix a build issue without CONFIG_CGROUPS wrt css_task open-coded
iterators, from Matthieu Baerts.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
selftests/bpf: get trusted cgrp from bpf_iter__cgroup directly
bpf: Let verifier consider {task,cgroup} is trusted in bpf_iter_reg
selftests/bpf: Fix broken build where char is unsigned
selftests/bpf: precision tracking test for BPF_NEG and BPF_END
bpf: Fix precision tracking for BPF_ALU | BPF_TO_BE | BPF_END
selftests/bpf: Add test for using css_task iter in sleepable progs
selftests/bpf: Add tests for css_task iter combining with cgroup iter
bpf: Relax allowlist for css_task iter
selftests/bpf: fix test_maps' use of bpf_map_create_opts
bpf: Check map->usercnt after timer->timer is assigned
bpf: Add __bpf_hook_{start,end} macros
bpf: Add __bpf_kfunc_{start,end}_defs macros
selftests/bpf: fix test_bpffs
selftests/bpf: Add test for immediate spilled to stack
bpf: Fix check_stack_write_fixed_off() to correctly spill imm
bpf: fix compilation error without CGROUPS
====================
Link: https://lore.kernel.org/r/20231108132448.1970-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Referenced commit doesn't always set iifidx when offloading the flow to
hardware. Fix the following cases:
- nf_conn_act_ct_ext_fill() is called before extension is created with
nf_conn_act_ct_ext_add() in tcf_ct_act(). This can cause rule offload with
unspecified iifidx when connection is offloaded after only single
original-direction packet has been processed by tc data path. Always fill
the new nf_conn_act_ct_ext instance after creating it in
nf_conn_act_ct_ext_add().
- Offloading of unidirectional UDP NEW connections is now supported, but ct
flow iifidx field is not updated when connection is promoted to
bidirectional which can result reply-direction iifidx to be zero when
refreshing the connection. Fill in the extension and update flow iifidx
before calling flow_offload_refresh().
Fixes: 9795ded7f9 ("net/sched: act_ct: Fill offloading tuple iifidx")
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Fixes: 6a9bad0069 ("net/sched: act_ct: offload UDP NEW connections")
Link: https://lore.kernel.org/r/20231103151410.764271-1-vladbu@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Highlights include:
Bugfixes:
- SUNRPC: A fix to re-probe the target RPC port after an ECONNRESET error
- SUNRPC: Handle allocation errors from rpcb_call_async()
- SUNRPC: Fix a use-after-free condition in rpc_pipefs
- SUNRPC: fix up various checks for timeouts
- NFSv4.1: Handle NFS4ERR_DELAY errors during session trunking
- NFSv4.1: fix SP4_MACH_CRED protection for pnfs IO
- NFSv4: Ensure that we test all delegations when the server notifies
us that it may have revoked some of them
Features:
- Allow knfsd processes to break out of NFS4ERR_DELAY loops when
re-exporting NFSv4.x by setting appropriate values for the
'delay_retrans' module parameter.
- nfs: Convert nfs_symlink() to use a folio
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Merge tag 'nfs-for-6.7-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Bugfixes:
- SUNRPC:
- re-probe the target RPC port after an ECONNRESET error
- handle allocation errors from rpcb_call_async()
- fix a use-after-free condition in rpc_pipefs
- fix up various checks for timeouts
- NFSv4.1:
- Handle NFS4ERR_DELAY errors during session trunking
- fix SP4_MACH_CRED protection for pnfs IO
- NFSv4:
- Ensure that we test all delegations when the server notifies
us that it may have revoked some of them
Features:
- Allow knfsd processes to break out of NFS4ERR_DELAY loops when
re-exporting NFSv4.x by setting appropriate values for the
'delay_retrans' module parameter
- nfs: Convert nfs_symlink() to use a folio"
* tag 'nfs-for-6.7-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
nfs: Convert nfs_symlink() to use a folio
SUNRPC: Fix RPC client cleaned up the freed pipefs dentries
NFSv4.1: fix SP4_MACH_CRED protection for pnfs IO
SUNRPC: Add an IS_ERR() check back to where it was
NFSv4.1: fix handling NFS4ERR_DELAY when testing for session trunking
nfs41: drop dependency between flexfiles layout driver and NFSv3 modules
NFSv4: fairly test all delegations on a SEQ4_ revocation
SUNRPC: SOFTCONN tasks should time out when on the sending list
SUNRPC: Force close the socket when a hard error is reported
SUNRPC: Don't skip timeout checks in call_connect_status()
SUNRPC: ECONNRESET might require a rebind
NFSv4/pnfs: Allow layoutget to return EAGAIN for softerr mounts
NFSv4: Add a parameter to limit the number of retries after NFS4ERR_DELAY
- Fix an issue that exfat timestamps are not updated caused by
new timestamp accessor function patch.
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Merge tag 'exfat-for-6.7-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
Pull exfat updates from Namjae Jeon:
- Fix an issue that exfat timestamps are not updated caused by new
timestamp accessor function patch
* tag 'exfat-for-6.7-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
exfat: fix ctime is not updated
exfat: fix setting uninitialized time to ctime/atime
* Realtime device subsystem
- Cleanup usage of xfs_rtblock_t and xfs_fsblock_t data types.
- Replace open coded conversions between rt blocks and rt extents with
calls to static inline helpers.
- Replace open coded realtime geometry compuation and macros with helper
functions.
- CPU usage optimizations for realtime allocator.
- Misc. Bug fixes associated with Realtime device.
* Allow read operations to execute while an FICLONE ioctl is being serviced.
* Misc. bug fixes
- Alert user when xfs_droplink() encounters an inode with a link count of zero.
- Handle the case where the allocator could return zero extents when
servicing an fallocate request.
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.7-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Chandan Babu:
- Realtime device subsystem:
- Cleanup usage of xfs_rtblock_t and xfs_fsblock_t data types
- Replace open coded conversions between rt blocks and rt extents
with calls to static inline helpers
- Replace open coded realtime geometry compuation and macros with
helper functions
- CPU usage optimizations for realtime allocator
- Misc bug fixes associated with Realtime device
- Allow read operations to execute while an FICLONE ioctl is being
serviced
- Misc bug fixes:
- Alert user when xfs_droplink() encounters an inode with a link
count of zero
- Handle the case where the allocator could return zero extents when
servicing an fallocate request
* tag 'xfs-6.7-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (40 commits)
xfs: allow read IO and FICLONE to run concurrently
xfs: handle nimaps=0 from xfs_bmapi_write in xfs_alloc_file_space
xfs: introduce protection for drop nlink
xfs: don't look for end of extent further than necessary in xfs_rtallocate_extent_near()
xfs: don't try redundant allocations in xfs_rtallocate_extent_near()
xfs: limit maxlen based on available space in xfs_rtallocate_extent_near()
xfs: return maximum free size from xfs_rtany_summary()
xfs: invert the realtime summary cache
xfs: simplify rt bitmap/summary block accessor functions
xfs: simplify xfs_rtbuf_get calling conventions
xfs: cache last bitmap block in realtime allocator
xfs: use accessor functions for summary info words
xfs: consolidate realtime allocation arguments
xfs: create helpers for rtsummary block/wordcount computations
xfs: use accessor functions for bitmap words
xfs: create helpers for rtbitmap block/wordcount computations
xfs: create a helper to handle logging parts of rt bitmap/summary blocks
xfs: convert rt summary macros to helpers
xfs: convert open-coded xfs_rtword_t pointer accesses to helper
xfs: remove XFS_BLOCKWSIZE and XFS_BLOCKWMASK macros
...
The mailman-2 system behind lists.linux[-]foundation.org is being
retired, so the lists are being migrated to lists.linux.dev.
Since both domains belong to LF and setting up proper forwards is
possible, the old addresses will continue to work for a while, but all
new patches should be sent to the new canonical addresses for each list.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Get rid of s390 specific use of two PTEs per 4KB page with complex
half-used pages tracking. Using full 4KB pages for 2KB PTEs increases
the memory footprint of page tables but drastically simplify mm code,
removing a common blocker for common code changes and adaptations
- Simplify and rework "cmma no-dat" handling. This is a follow up
for recent fixes which prevent potential incorrect guest TLB flushes
- Add perf user stack unwinding as well as USER_STACKTRACE support for
user space built with -mbackchain compile option
- Add few missing conversion from tlb_remove_table to tlb_remove_ptdesc
- Fix crypto cards vanishing in a secure execution environment due to
asynchronous errors
- Avoid reporting crypto cards or queues in check-stop state as online
- Fix null-ptr deference in AP bus code triggered by early config change
via SCLP
- Couple of stability improvements in AP queue interrupt handling
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Merge tag 's390-6.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Vasily Gorbik:
- Get rid of s390 specific use of two PTEs per 4KB page with complex
half-used pages tracking. Using full 4KB pages for 2KB PTEs increases
the memory footprint of page tables but drastically simplify mm code,
removing a common blocker for common code changes and adaptations
- Simplify and rework "cmma no-dat" handling. This is a follow up for
recent fixes which prevent potential incorrect guest TLB flushes
- Add perf user stack unwinding as well as USER_STACKTRACE support for
user space built with -mbackchain compile option
- Add few missing conversion from tlb_remove_table to tlb_remove_ptdesc
- Fix crypto cards vanishing in a secure execution environment due to
asynchronous errors
- Avoid reporting crypto cards or queues in check-stop state as online
- Fix null-ptr deference in AP bus code triggered by early config
change via SCLP
- Couple of stability improvements in AP queue interrupt handling
* tag 's390-6.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/mm: make pte_free_tlb() similar to pXd_free_tlb()
s390/mm: use compound page order to distinguish page tables
s390/mm: use full 4KB page for 2KB PTE
s390/cmma: rework no-dat handling
s390/cmma: move arch_set_page_dat() to header file
s390/cmma: move set_page_stable() and friends to header file
s390/cmma: move parsing of cmma kernel parameter to early boot code
s390/cmma: cleanup inline assemblies
s390/ap: fix vanishing crypto cards in SE environment
s390/zcrypt: don't report online if card or queue is in check-stop state
s390: add USER_STACKTRACE support
s390/perf: implement perf_callchain_user()
s390/ap: fix AP bus crash on early config change callback invocation
s390/ap: re-enable interrupt for AP queues
s390/ap: rework to use irq info from ap queue status
s390/mm: add missing conversion to use ptdescs
-EOPNOTSUPP is the return value that implements a "no-op" hook, not 0.
Without this fix having only the BPF LSM enabled (with no programs
attached) can cause uninitialized variable reads in
nfsd4_encode_fattr(), because the BPF hook returns 0 without touching
the 'ctxlen' variable and the corresponding 'contextlen' variable in
nfsd4_encode_fattr() remains uninitialized, yet being treated as valid
based on the 0 return value.
Cc: stable@vger.kernel.org
Fixes: 98e828a065 ("security: Refactor declaration of LSM hooks")
Reported-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
1 is the return value that implements a "no-op" hook, not 0.
Cc: stable@vger.kernel.org
Fixes: 98e828a065 ("security: Refactor declaration of LSM hooks")
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
* Fix a lock inversion between scheduler and RCU introduced
in v6.2-rc4. The scenario could trigger on any user of RCU_NOCB
(mostly Android and also nohz_full).
* Fix PF_IDLE semantic changes introduced in v6.6-rc3 breaking some
RCU-Tasks and RCU-Tasks-Trace expectations as to what exactly is
an idle task. This resulted in potential spurious stalls and
warnings.
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Merge tag 'rcu-fixes-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks
Pull RCU fixes from Frederic Weisbecker:
- Fix a lock inversion between scheduler and RCU introduced in
v6.2-rc4. The scenario could trigger on any user of RCU_NOCB
(mostly Android but also nohz_full)
- Fix PF_IDLE semantic changes introduced in v6.6-rc3 breaking
some RCU-Tasks and RCU-Tasks-Trace expectations as to what
exactly is an idle task. This resulted in potential spurious
stalls and warnings.
* tag 'rcu-fixes-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks:
rcu/tasks-trace: Handle new PF_IDLE semantics
rcu/tasks: Handle new PF_IDLE semantics
rcu: Introduce rcu_cpu_online()
rcu: Break rcu_node_0 --> &rq->__lock order
Numerous memblock reservations at early boot may exhaust static
memblock.reserved array and it is unnoticed because most of the callers don't
check memblock_reserve() return value.
In this case the system will crash later, but the reason is hard to identify.
Replace return of an error with panic() when memblock.reserved is exhausted
before it can be resized.
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Merge tag 'memblock-v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock update from Mike Rapoport:
"Report failures when memblock_can_resize is not set.
Numerous memblock reservations at early boot may exhaust static
memblock.reserved array and it is unnoticed because most of the
callers don't check memblock_reserve() return value.
In this case the system will crash later, but the reason is hard to
identify.
Replace return of an error with panic() when memblock.reserved is
exhausted before it can be resized"
* tag 'memblock-v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: report failures when memblock_can_resize is not set
Just two patches for you this time!
* During a panic, flush the console before entering kgdb. This makes
things a little easier to comprehend, especially if an NMI backtrace
was triggered on all CPUs just before we enter the panic routines.
* Correcting a couple of misleading (a.k.a. plain wrong) comments.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb updates from Daniel Thompson:
"Just two patches for you this time!
- During a panic, flush the console before entering kgdb.
This makes things a little easier to comprehend, especially if an
NMI backtrace was triggered on all CPUs just before we enter the
panic routines
- Correcting a couple of misleading (a.k.a. plain wrong) comments"
* tag 'kgdb-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kdb: Corrects comment for kdballocenv
kgdb: Flush console before entering kgdb on panic
* Support for cbo.zero in userspace.
* Support for CBOs on ACPI-based systems.
* A handful of improvements for the T-Head cache flushing ops.
* Support for software shadow call stacks.
* Various cleanups and fixes.
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Merge tag 'riscv-for-linus-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Support for cbo.zero in userspace
- Support for CBOs on ACPI-based systems
- A handful of improvements for the T-Head cache flushing ops
- Support for software shadow call stacks
- Various cleanups and fixes
* tag 'riscv-for-linus-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (31 commits)
RISC-V: hwprobe: Fix vDSO SIGSEGV
riscv: configs: defconfig: Enable configs required for RZ/Five SoC
riscv: errata: prefix T-Head mnemonics with th.
riscv: put interrupt entries into .irqentry.text
riscv: mm: Update the comment of CONFIG_PAGE_OFFSET
riscv: Using TOOLCHAIN_HAS_ZIHINTPAUSE marco replace zihintpause
riscv/mm: Fix the comment for swap pte format
RISC-V: clarify the QEMU workaround in ISA parser
riscv: correct pt_level name via pgtable_l5/4_enabled
RISC-V: Provide pgtable_l5_enabled on rv32
clocksource: timer-riscv: Increase rating of clock_event_device for Sstc
clocksource: timer-riscv: Don't enable/disable timer interrupt
lkdtm: Fix CFI_BACKWARD on RISC-V
riscv: Use separate IRQ shadow call stacks
riscv: Implement Shadow Call Stack
riscv: Move global pointer loading to a macro
riscv: Deduplicate IRQ stack switching
riscv: VMAP_STACK overflow detection thread-safe
RISC-V: cacheflush: Initialize CBO variables on ACPI systems
RISC-V: ACPI: RHCT: Add function to get CBO block sizes
...
A collection of fixes that have come in during the merge window, the
majority of this is driver specific with one core fix for handling of
DAPM clock widgets when a name prefix is specified for the card - the
name should not be applied to the clock name we request from the clock
API.
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Merge tag 'asoc-fix-v6.7-merge-window' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.7
A collection of fixes that have come in during the merge window, the
majority of this is driver specific with one core fix for handling of
DAPM clock widgets when a name prefix is specified for the card - the
name should not be applied to the clock name we request from the clock
API.
The keyring and auth functions can be called from both the host and
the target side and are controlled by Kconfig options for each of the
combinations, but the declarations are controlled by #ifdef checks
on the shared Kconfig symbols.
This leads to link failures in combinations where one of the frontends
is built-in and the other one is a module, and the keyring code
ends up in a module that is not reachable from the builtin code:
ld: drivers/nvme/host/core.o: in function `nvme_core_exit':
core.c:(.exit.text+0x4): undefined reference to `nvme_keyring_exit'
ld: drivers/nvme/host/core.o: in function `nvme_core_init':
core.c:(.init.text+0x94): undefined reference to `nvme_keyring_init
ld: drivers/nvme/host/tcp.o: in function `nvme_tcp_setup_ctrl':
tcp.c:(.text+0x4c18): undefined reference to `nvme_tls_psk_default'
Address this by moving nvme_keyring_init()/nvme_keyring_exit() into
module init/exit functions for the keyring module.
Fixes: be8e82caa6 ("nvme-tcp: enable TLS handshake upcall")
Signed-off-by: Hannes Reinecke <hare@suse.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Each smb_rqst struct contains two things: an array of kvecs (rq_iov) that
contains the protocol data for an RPC op and an iterator (rq_iter) that
contains the data payload of an RPC op. When an smb_rqst is allocated
rq_iter is it always cleared, but we don't set it up unless we're going to
use it.
The functions that determines the size of the ciphertext buffer that will
be needed to encrypt a request, cifs_get_num_sgs(), assumes that rq_iter is
always initialised - and employs user_backed_iter() to check that the
iterator isn't user-backed. This used to incidentally work, because
->user_backed was set to false because the iterator has never been
initialised, but with commit f1b4cb650b9a0eeba206d8f069fcdc532bfbcd74[1]
which changes user_backed_iter() to determine this based on the iterator
type insted, a warning is now emitted:
WARNING: CPU: 7 PID: 4584 at fs/smb/client/cifsglob.h:2165 smb2_get_aead_req+0x3fc/0x420 [cifs]
...
RIP: 0010:smb2_get_aead_req+0x3fc/0x420 [cifs]
...
crypt_message+0x33e/0x550 [cifs]
smb3_init_transform_rq+0x27d/0x3f0 [cifs]
smb_send_rqst+0xc7/0x160 [cifs]
compound_send_recv+0x3ca/0x9f0 [cifs]
cifs_send_recv+0x25/0x30 [cifs]
SMB2_tcon+0x38a/0x820 [cifs]
cifs_get_smb_ses+0x69c/0xee0 [cifs]
cifs_mount_get_session+0x76/0x1d0 [cifs]
dfs_mount_share+0x74/0x9d0 [cifs]
cifs_mount+0x6e/0x2e0 [cifs]
cifs_smb3_do_mount+0x143/0x300 [cifs]
smb3_get_tree+0x15e/0x290 [cifs]
vfs_get_tree+0x2d/0xe0
do_new_mount+0x124/0x340
__se_sys_mount+0x143/0x1a0
The problem is that rq_iter was never set, so the type is 0 (ie. ITER_UBUF)
which causes user_backed_iter() to return true. The code doesn't
malfunction because it checks the size of the iterator - which is 0.
Fix cifs_get_num_sgs() to ignore rq_iter if its count is 0, thereby
bypassing the warnings.
It might be better to explicitly initialise rq_iter to a zero-length
ITER_BVEC, say, as it can always be reinitialised later.
Fixes: d08089f649 ("cifs: Change the I/O paths to use an iterator rather than a page list")
Reported-by: Damian Tometzki <damian@riscv-rocks.de>
Closes: https://lore.kernel.org/r/ZUfQo47uo0p2ZsYg@fedora.fritz.box/
Tested-by: Damian Tometzki <damian@riscv-rocks.de>
Cc: stable@vger.kernel.org
cc: Eric Biggers <ebiggers@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: linux-fsdevel@vger.kernel.org
Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f1b4cb650b9a0eeba206d8f069fcdc532bfbcd74 [1]
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
The ipv6 redirect target was derived from the ipv4 one, i.e. its
identical to a 'dnat' with the first (primary) address assigned to the
network interface. The code has been moved around to make it usable
from nf_tables too, but its still the same as it was back when this
was added in 2012.
IPv6, however, has different types of addresses, if the 'wrong' address
comes first the redirection does not work.
In Daniels case, the addresses are:
inet6 ::ffff:192 ...
inet6 2a01: ...
... so the function attempts to redirect to the mapped address.
Add more checks before the address is deemed correct:
1. If the packets' daddr is scoped, search for a scoped address too
2. skip tentative addresses
3. skip mapped addresses
Use the first address that appears to match our needs.
Reported-by: Daniel Huhardeaux <tech@tootai.net>
Closes: https://lore.kernel.org/netfilter/71be06b8-6aa0-4cf9-9e0b-e2839b01b22f@tootai.net/
Fixes: 115e23ac78 ("netfilter: ip6tables: add REDIRECT target")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This reverts commit a07a594152.
This is no longer needed after the patch ("arm64: Move MediaTek GIC
quirk handling from irqchip to core).
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20231107072651.v2.2.I2c5fa192e767eb3ee233bc28eb60e2f8656c29a6@changeid
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
In commit 44bd78dd2b ("irqchip/gic-v3: Disable pseudo NMIs on
MediaTek devices w/ firmware issues") we added a method for detecting
MediaTek devices with broken firmware and disabled pseudo-NMI. While
that worked, it didn't address the problem at a deep enough level.
The fundamental issue with this broken firmware is that it's not
saving and restoring several important GICR registers. The current
list is believed to be:
* GICR_NUM_IPRIORITYR
* GICR_CTLR
* GICR_ISPENDR0
* GICR_ISACTIVER0
* GICR_NSACR
Pseudo-NMI didn't work because it was the only thing (currently) in
the kernel that relied on the broken registers, so forcing pseudo-NMI
off was an effective fix. However, it could be observed that calling
system_uses_irq_prio_masking() on these systems still returned
"true". That caused confusion and led to the need for
commit a07a594152 ("arm64: smp: avoid NMI IPIs with broken MediaTek
FW"). It's worried that the incorrect value returned by
system_uses_irq_prio_masking() on these systems will continue to
confuse future developers.
Let's fix the issue a little more completely by disabling IRQ
priorities at a deeper level in the kernel. Once we do this we can
revert some of the other bits of code dealing with this quirk.
This includes a partial revert of commit 44bd78dd2b
("irqchip/gic-v3: Disable pseudo NMIs on MediaTek devices w/ firmware
issues"). This isn't a full revert because it leaves some of the
changes to the "quirks" structure around in case future code needs it.
Suggested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20231107072651.v2.1.Ide945748593cffd8ff0feb9ae22b795935b944d6@changeid
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Limit the free list length to the size of the IO TLB. Transient pool can be
smaller than IO_TLB_SEGSIZE, but the free list is initialized with the
assumption that the total number of slots is a multiple of IO_TLB_SEGSIZE.
As a result, swiotlb_area_find_slots() may allocate slots past the end of
a transient IO TLB buffer.
Reported-by: Niklas Schnelle <schnelle@linux.ibm.com>
Closes: https://lore.kernel.org/linux-iommu/104a8c8fedffd1ff8a2890983e2ec1c26bff6810.camel@linux.ibm.com/
Fixes: 79636caad3 ("swiotlb: if swiotlb is full, fall back to a transient memory pool")
Cc: stable@vger.kernel.org
Signed-off-by: Petr Tesarik <petr.tesarik1@huawei-partners.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Alexandre Ghiti <alexghiti@rivosinc.com> says:
Those 2 patches fix the set_memory_XX() and set_direct_map_XX() APIs, which
in turn fix STRICT_KERNEL_RWX and memfd_secret(). Those were broken since the
permission changes were not applied to the linear mapping because the linear
mapping is mapped using hugepages and walk_page_range_novma() does not split
such mappings.
To fix that, patch 1 disables PGD mappings in the linear mapping as it is
hard to propagate changes at this level in *all* the page tables, this has the
downside of disabling PMD mapping for sv32 and PUD (1GB) mapping for sv39 in
the linear mapping (for specific kernels, we could add a Kconfig to enable
ARCH_HAS_SET_DIRECT_MAP and STRICT_KERNEL_RWX if needed, I'm pretty sure we'll
discuss that).
patch 2 implements the split of the huge linear mappings so that
walk_page_range_novma() can properly apply the permissions. The whole split is
protected with mmap_sem in write mode, but I'm wondering if that's enough,
any opinion on that is appreciated.
* b4-shazam-merge:
riscv: Fix set_memory_XX() and set_direct_map_XX() by splitting huge linear mappings
riscv: Don't use PGD entries for the linear mapping
Link: https://lore.kernel.org/r/20231108075930.7157-1-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
When STRICT_KERNEL_RWX is set, any change of permissions on any kernel
mapping (vmalloc/modules/kernel text...etc) should be applied on its
linear mapping alias. The problem is that the riscv kernel uses huge
mappings for the linear mapping and walk_page_range_novma() does not
split those huge mappings.
So this patchset implements such split in order to apply fine-grained
permissions on the linear mapping.
Below is the difference before and after (the first PUD mapping is split
into PTE/PMD mappings):
Before:
---[ Linear mapping ]---
0xffffaf8000080000-0xffffaf8000200000 0x0000000080080000 1536K PTE D A G . . W R V
0xffffaf8000200000-0xffffaf8077c00000 0x0000000080200000 1914M PMD D A G . . W R V
0xffffaf8077c00000-0xffffaf8078800000 0x00000000f7c00000 12M PMD D A G . . . R V
0xffffaf8078800000-0xffffaf8078c00000 0x00000000f8800000 4M PMD D A G . . W R V
0xffffaf8078c00000-0xffffaf8079200000 0x00000000f8c00000 6M PMD D A G . . . R V
0xffffaf8079200000-0xffffaf807e600000 0x00000000f9200000 84M PMD D A G . . W R V
0xffffaf807e600000-0xffffaf807e716000 0x00000000fe600000 1112K PTE D A G . . W R V
0xffffaf807e717000-0xffffaf807e71a000 0x00000000fe717000 12K PTE D A G . . W R V
0xffffaf807e71d000-0xffffaf807e71e000 0x00000000fe71d000 4K PTE D A G . . W R V
0xffffaf807e722000-0xffffaf807e800000 0x00000000fe722000 888K PTE D A G . . W R V
0xffffaf807e800000-0xffffaf807fe00000 0x00000000fe800000 22M PMD D A G . . W R V
0xffffaf807fe00000-0xffffaf807ff54000 0x00000000ffe00000 1360K PTE D A G . . W R V
0xffffaf807ff55000-0xffffaf8080000000 0x00000000fff55000 684K PTE D A G . . W R V
0xffffaf8080000000-0xffffaf8400000000 0x0000000100000000 14G PUD D A G . . W R V
After:
---[ Linear mapping ]---
0xffffaf8000080000-0xffffaf8000200000 0x0000000080080000 1536K PTE D A G . . W R V
0xffffaf8000200000-0xffffaf8077c00000 0x0000000080200000 1914M PMD D A G . . W R V
0xffffaf8077c00000-0xffffaf8078800000 0x00000000f7c00000 12M PMD D A G . . . R V
0xffffaf8078800000-0xffffaf8078a00000 0x00000000f8800000 2M PMD D A G . . W R V
0xffffaf8078a00000-0xffffaf8078c00000 0x00000000f8a00000 2M PTE D A G . . W R V
0xffffaf8078c00000-0xffffaf8079200000 0x00000000f8c00000 6M PMD D A G . . . R V
0xffffaf8079200000-0xffffaf807e600000 0x00000000f9200000 84M PMD D A G . . W R V
0xffffaf807e600000-0xffffaf807e716000 0x00000000fe600000 1112K PTE D A G . . W R V
0xffffaf807e717000-0xffffaf807e71a000 0x00000000fe717000 12K PTE D A G . . W R V
0xffffaf807e71d000-0xffffaf807e71e000 0x00000000fe71d000 4K PTE D A G . . W R V
0xffffaf807e722000-0xffffaf807e800000 0x00000000fe722000 888K PTE D A G . . W R V
0xffffaf807e800000-0xffffaf807fe00000 0x00000000fe800000 22M PMD D A G . . W R V
0xffffaf807fe00000-0xffffaf807ff54000 0x00000000ffe00000 1360K PTE D A G . . W R V
0xffffaf807ff55000-0xffffaf8080000000 0x00000000fff55000 684K PTE D A G . . W R V
0xffffaf8080000000-0xffffaf8080800000 0x0000000100000000 8M PMD D A G . . W R V
0xffffaf8080800000-0xffffaf8080af6000 0x0000000100800000 3032K PTE D A G . . W R V
0xffffaf8080af6000-0xffffaf8080af8000 0x0000000100af6000 8K PTE D A G . X . R V
0xffffaf8080af8000-0xffffaf8080c00000 0x0000000100af8000 1056K PTE D A G . . W R V
0xffffaf8080c00000-0xffffaf8081a00000 0x0000000100c00000 14M PMD D A G . . W R V
0xffffaf8081a00000-0xffffaf8081a40000 0x0000000101a00000 256K PTE D A G . . W R V
0xffffaf8081a40000-0xffffaf8081a44000 0x0000000101a40000 16K PTE D A G . X . R V
0xffffaf8081a44000-0xffffaf8081a52000 0x0000000101a44000 56K PTE D A G . . W R V
0xffffaf8081a52000-0xffffaf8081a54000 0x0000000101a52000 8K PTE D A G . X . R V
...
0xffffaf809e800000-0xffffaf80c0000000 0x000000011e800000 536M PMD D A G . . W R V
0xffffaf80c0000000-0xffffaf8400000000 0x0000000140000000 13G PUD D A G . . W R V
Note that this also fixes memfd_secret() syscall which uses
set_direct_map_invalid_noflush() and set_direct_map_default_noflush() to
remove the pages from the linear mapping. Below is the kernel page table
while a memfd_secret() syscall is running, you can see all the !valid
page table entries in the linear mapping:
...
0xffffaf8082240000-0xffffaf8082241000 0x0000000102240000 4K PTE D A G . . W R .
0xffffaf8082241000-0xffffaf8082250000 0x0000000102241000 60K PTE D A G . . W R V
0xffffaf8082250000-0xffffaf8082252000 0x0000000102250000 8K PTE D A G . . W R .
0xffffaf8082252000-0xffffaf8082256000 0x0000000102252000 16K PTE D A G . . W R V
0xffffaf8082256000-0xffffaf8082257000 0x0000000102256000 4K PTE D A G . . W R .
0xffffaf8082257000-0xffffaf8082258000 0x0000000102257000 4K PTE D A G . . W R V
0xffffaf8082258000-0xffffaf8082259000 0x0000000102258000 4K PTE D A G . . W R .
0xffffaf8082259000-0xffffaf808225a000 0x0000000102259000 4K PTE D A G . . W R V
0xffffaf808225a000-0xffffaf808225c000 0x000000010225a000 8K PTE D A G . . W R .
0xffffaf808225c000-0xffffaf8082266000 0x000000010225c000 40K PTE D A G . . W R V
0xffffaf8082266000-0xffffaf8082268000 0x0000000102266000 8K PTE D A G . . W R .
0xffffaf8082268000-0xffffaf8082284000 0x0000000102268000 112K PTE D A G . . W R V
0xffffaf8082284000-0xffffaf8082288000 0x0000000102284000 16K PTE D A G . . W R .
0xffffaf8082288000-0xffffaf808229c000 0x0000000102288000 80K PTE D A G . . W R V
0xffffaf808229c000-0xffffaf80822a0000 0x000000010229c000 16K PTE D A G . . W R .
0xffffaf80822a0000-0xffffaf80822a5000 0x00000001022a0000 20K PTE D A G . . W R V
0xffffaf80822a5000-0xffffaf80822a6000 0x00000001022a5000 4K PTE D A G . . . R V
0xffffaf80822a6000-0xffffaf80822ab000 0x00000001022a6000 20K PTE D A G . . W R V
...
And when the memfd_secret() fd is released, the linear mapping is
correctly reset:
...
0xffffaf8082240000-0xffffaf80822a5000 0x0000000102240000 404K PTE D A G . . W R V
0xffffaf80822a5000-0xffffaf80822a6000 0x00000001022a5000 4K PTE D A G . . . R V
0xffffaf80822a6000-0xffffaf80822af000 0x00000001022a6000 36K PTE D A G . . W R V
...
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20231108075930.7157-3-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Propagating changes at this level is cumbersome as we need to go through
all the page tables when that happens (either when changing the
permissions or when splitting the mapping).
Note that this prevents the use of 4MB mapping for sv32 and 1GB mapping for
sv39 in the linear mapping.
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20231108075930.7157-2-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Reading the peak data to detect abnormal data in the ADC channel.
If abnormal data occurs, the driver takes recovery actions to
refresh the ADC channel.
Signed-off-by: David Lin <CTLIN0@nuvoton.com>
Link: https://lore.kernel.org/r/20231108061658.1265065-1-CTLIN0@nuvoton.com
Signed-off-by: Mark Brown <broonie@kernel.org>
