In __wait_on_freeing_inode() we warn in case the inode_hash_lock is held
but the inode is unhashed. We then release the inode_lock. So using
"locked" as parameter name is confusing. Use is_inode_hash_locked as
parameter name instead.
Signed-off-by: Christian Brauner <brauner@kernel.org>
When using cachefiles, lockdep may emit something similar to the circular
locking dependency notice below. The problem appears to stem from the
following:
(1) Cachefiles manipulates xattrs on the files in its cache when called
from ->writepages().
(2) The setxattr() and removexattr() system call handlers get the name
(and value) from userspace after taking the sb_writers lock, putting
accesses of the vma->vm_lock and mm->mmap_lock inside of that.
(3) The afs filesystem uses a per-inode lock to prevent multiple
revalidation RPCs and in writeback vs truncate to prevent parallel
operations from deadlocking against the server on one side and local
page locks on the other.
Fix this by moving the getting of the name and value in {get,remove}xattr()
outside of the sb_writers lock. This also has the minor benefits that we
don't need to reget these in the event of a retry and we never try to take
the sb_writers lock in the event we can't pull the name and value into the
kernel.
Alternative approaches that might fix this include moving the dispatch of a
write to the cache off to a workqueue or trying to do without the
validation lock in afs. Note that this might also affect other filesystems
that use netfslib and/or cachefiles.
======================================================
WARNING: possible circular locking dependency detected
6.10.0-build2+ #956 Not tainted
------------------------------------------------------
fsstress/6050 is trying to acquire lock:
ffff888138fd82f0 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_fault+0x26e/0x8b0
but task is already holding lock:
ffff888113f26d18 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x165/0x250
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&vma->vm_lock->lock){++++}-{3:3}:
__lock_acquire+0xaf0/0xd80
lock_acquire.part.0+0x103/0x280
down_write+0x3b/0x50
vma_start_write+0x6b/0xa0
vma_link+0xcc/0x140
insert_vm_struct+0xb7/0xf0
alloc_bprm+0x2c1/0x390
kernel_execve+0x65/0x1a0
call_usermodehelper_exec_async+0x14d/0x190
ret_from_fork+0x24/0x40
ret_from_fork_asm+0x1a/0x30
-> #3 (&mm->mmap_lock){++++}-{3:3}:
__lock_acquire+0xaf0/0xd80
lock_acquire.part.0+0x103/0x280
__might_fault+0x7c/0xb0
strncpy_from_user+0x25/0x160
removexattr+0x7f/0x100
__do_sys_fremovexattr+0x7e/0xb0
do_syscall_64+0x9f/0x100
entry_SYSCALL_64_after_hwframe+0x76/0x7e
-> #2 (sb_writers#14){.+.+}-{0:0}:
__lock_acquire+0xaf0/0xd80
lock_acquire.part.0+0x103/0x280
percpu_down_read+0x3c/0x90
vfs_iocb_iter_write+0xe9/0x1d0
__cachefiles_write+0x367/0x430
cachefiles_issue_write+0x299/0x2f0
netfs_advance_write+0x117/0x140
netfs_write_folio.isra.0+0x5ca/0x6e0
netfs_writepages+0x230/0x2f0
afs_writepages+0x4d/0x70
do_writepages+0x1e8/0x3e0
filemap_fdatawrite_wbc+0x84/0xa0
__filemap_fdatawrite_range+0xa8/0xf0
file_write_and_wait_range+0x59/0x90
afs_release+0x10f/0x270
__fput+0x25f/0x3d0
__do_sys_close+0x43/0x70
do_syscall_64+0x9f/0x100
entry_SYSCALL_64_after_hwframe+0x76/0x7e
-> #1 (&vnode->validate_lock){++++}-{3:3}:
__lock_acquire+0xaf0/0xd80
lock_acquire.part.0+0x103/0x280
down_read+0x95/0x200
afs_writepages+0x37/0x70
do_writepages+0x1e8/0x3e0
filemap_fdatawrite_wbc+0x84/0xa0
filemap_invalidate_inode+0x167/0x1e0
netfs_unbuffered_write_iter+0x1bd/0x2d0
vfs_write+0x22e/0x320
ksys_write+0xbc/0x130
do_syscall_64+0x9f/0x100
entry_SYSCALL_64_after_hwframe+0x76/0x7e
-> #0 (mapping.invalidate_lock#3){++++}-{3:3}:
check_noncircular+0x119/0x160
check_prev_add+0x195/0x430
__lock_acquire+0xaf0/0xd80
lock_acquire.part.0+0x103/0x280
down_read+0x95/0x200
filemap_fault+0x26e/0x8b0
__do_fault+0x57/0xd0
do_pte_missing+0x23b/0x320
__handle_mm_fault+0x2d4/0x320
handle_mm_fault+0x14f/0x260
do_user_addr_fault+0x2a2/0x500
exc_page_fault+0x71/0x90
asm_exc_page_fault+0x22/0x30
other info that might help us debug this:
Chain exists of:
mapping.invalidate_lock#3 --> &mm->mmap_lock --> &vma->vm_lock->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
rlock(&vma->vm_lock->lock);
lock(&mm->mmap_lock);
lock(&vma->vm_lock->lock);
rlock(mapping.invalidate_lock#3);
*** DEADLOCK ***
1 lock held by fsstress/6050:
#0: ffff888113f26d18 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x165/0x250
stack backtrace:
CPU: 0 PID: 6050 Comm: fsstress Not tainted 6.10.0-build2+ #956
Hardware name: ASUS All Series/H97-PLUS, BIOS 2306 10/09/2014
Call Trace:
<TASK>
dump_stack_lvl+0x57/0x80
check_noncircular+0x119/0x160
? queued_spin_lock_slowpath+0x4be/0x510
? __pfx_check_noncircular+0x10/0x10
? __pfx_queued_spin_lock_slowpath+0x10/0x10
? mark_lock+0x47/0x160
? init_chain_block+0x9c/0xc0
? add_chain_block+0x84/0xf0
check_prev_add+0x195/0x430
__lock_acquire+0xaf0/0xd80
? __pfx___lock_acquire+0x10/0x10
? __lock_release.isra.0+0x13b/0x230
lock_acquire.part.0+0x103/0x280
? filemap_fault+0x26e/0x8b0
? __pfx_lock_acquire.part.0+0x10/0x10
? rcu_is_watching+0x34/0x60
? lock_acquire+0xd7/0x120
down_read+0x95/0x200
? filemap_fault+0x26e/0x8b0
? __pfx_down_read+0x10/0x10
? __filemap_get_folio+0x25/0x1a0
filemap_fault+0x26e/0x8b0
? __pfx_filemap_fault+0x10/0x10
? find_held_lock+0x7c/0x90
? __pfx___lock_release.isra.0+0x10/0x10
? __pte_offset_map+0x99/0x110
__do_fault+0x57/0xd0
do_pte_missing+0x23b/0x320
__handle_mm_fault+0x2d4/0x320
? __pfx___handle_mm_fault+0x10/0x10
handle_mm_fault+0x14f/0x260
do_user_addr_fault+0x2a2/0x500
exc_page_fault+0x71/0x90
asm_exc_page_fault+0x22/0x30
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/2136178.1721725194@warthog.procyon.org.uk
cc: Alexander Viro <viro@zeniv.linux.org.uk>
cc: Christian Brauner <brauner@kernel.org>
cc: Jan Kara <jack@suse.cz>
cc: Jeff Layton <jlayton@kernel.org>
cc: Gao Xiang <xiang@kernel.org>
cc: Matthew Wilcox <willy@infradead.org>
cc: netfs@lists.linux.dev
cc: linux-erofs@lists.ozlabs.org
cc: linux-fsdevel@vger.kernel.org
[brauner: fix minor issues]
Signed-off-by: Christian Brauner <brauner@kernel.org>
The counter is unconditionally incremented for each mount allocation.
If we set it to 1ULL << 32 we're losing 4294967296 as the first valid
non-32 bit mount id.
Link: https://lore.kernel.org/r/20240719-work-mount-namespace-v1-1-834113cab0d2@kernel.org
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
When netfslib is performing writeback (ie. ->writepages), it maintains two
parallel streams of writes, one to the server and one to the cache, but it
doesn't mark either stream of writes as active until it gets some data that
needs to be written to that stream.
This is done because some folios will only be written to the cache
(e.g. copying to the cache on read is done by marking the folios and
letting writeback do the actual work) and sometimes we'll only be writing
to the server (e.g. if there's no cache).
Now, since we don't actually dispatch uploads and cache writes in parallel,
but rather flip between the streams, depending on which has the lowest
so-far-issued offset, and don't wait for the subreqs to finish before
flipping, we can end up in a situation where, say, we issue a write to the
server and this completes before we start the write to the cache.
But because we only activate a stream when we first add a subreq to it, the
result collection code may run before we manage to activate the stream -
resulting in the folio being cleaned and having the writeback-in-progress
mark removed. At this point, the folio no longer belongs to us.
This is only really a problem for folios that need to be written to both
streams - and in that case, the upload to the server is started first,
followed by the write to the cache - and the cache write may see a bad
folio.
Fix this by activating the cache stream up front if there's a cache
available. If there's a cache, then all data is going to be written to it.
Fixes: 288ace2f57 ("netfs: New writeback implementation")
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/1599053.1721398818@warthog.procyon.org.uk
cc: Jeff Layton <jlayton@kernel.org>
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
The nsproxy structure contains nearly all of the namespaces associated
with a task. When a given namespace type is not supported by this kernel
the rules whether the corresponding pointer in struct nsproxy is NULL or
always init_<ns_type>_ns differ per namespace. Ideally, that wouldn't be
the case and for all namespace types we'd always set it to
init_<ns_type>_ns when the corresponding namespace type isn't supported.
Make sure we handle all namespaces where the pointer in struct nsproxy
can be NULL when the namespace type isn't supported.
Link: https://lore.kernel.org/r/20240722-work-pidfs-e6a83030f63e@brauner
Fixes: 5b08bd4085 ("pidfs: allow retrieval of namespace file descriptors") # mainline only
Signed-off-by: Christian Brauner <brauner@kernel.org>
correct the comments of vfs_*() helpers in fs/namei.c, including:
1. vfs_create()
2. vfs_mknod()
3. vfs_mkdir()
4. vfs_rmdir()
5. vfs_symlink()
All of them come from the same commit:
6521f89170 "namei: prepare for idmapped mounts"
The @dentry is actually the dentry of child directory rather than
base directory(parent directory), and thus the @dir has to be
modified due to the change of @dentry.
Signed-off-by: Congjie Zhou <zcjie0802@qq.com>
Link: https://lore.kernel.org/r/tencent_2FCF6CC9E10DC8A27AE58A5A0FE4FCE96D0A@qq.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Lockless hash lookup can find and lock the inode after it gets the
I_FREEING flag set, at which point it blocks waiting for teardown in
evict() to finish.
However, the flag is still set even after evict() wakes up all waiters.
This results in a race where if the inode lock is taken late enough, it
can happen after both hash removal and wakeups, meaning there is nobody
to wake the racing thread up.
This worked prior to RCU-based lookup because the entire ordeal was
synchronized with the inode hash lock.
Since unhashing requires the inode lock, we can safely check whether it
happened after acquiring it.
Link: https://lore.kernel.org/v9fs/20240717102458.649b60be@kernel.org/
Reported-by: Dominique Martinet <asmadeus@codewreck.org>
Fixes: 7180f8d91f ("vfs: add rcu-based find_inode variants for iget ops")
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20240718151838.611807-1-mjguzik@gmail.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
We need to disable softinterrupts, else we get following problem:
1. pipapo_avx2 called from process context; fpu usable
2. preempt_disable() called, pcpu scratchmap in use
3. softirq handles rx or tx, we re-enter pipapo_avx2
4. fpu busy, fallback to generic non-avx version
5. fallback reuses scratch map and index, which are in use
by the preempted process
Handle this same way as generic version by first disabling
softinterrupts while the scratchmap is in use.
Fixes: f0b3d33806 ("netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version")
Cc: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Add Densitron DMT028VGHMCMI-1D 480x640 TFT matrix 2.83 inch panel
attached to Ilitek ILI9806E DSI TCON into the ILI9806E driver.
Note that the Densitron panels use different TCONs, this driver is for
the later panel, use panel-ilitek-st7701.c for the former panel:
DMT028VGHMCMI-1A - ST7701
DMT028VGHMCMI-1D - ILI9806E
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Michael Walle <mwalle@kernel.org>
Link: https://lore.kernel.org/r/20240724005700.196073-2-marex@denx.de
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240724005700.196073-2-marex@denx.de
The kernel reports that the touchpad for this device can support a
different bus.
With SMBus enabled the touchpad movement is smoother and three-finger
gestures are recognized.
Signed-off-by: Jonathan Denose <jdenose@google.com>
Link: https://lore.kernel.org/r/20240719180612.1.Ib652dd808c274076f32cd7fc6c1160d2cf71753b@changeid
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This patch introduces a driver for the PixArt PS/2 touchpad, which
supports both clickpad and touchpad types.
At the same time, we extended the single data packet length to 16,
because according to the current PixArt hardware and FW design, we need
11 bytes/15 bytes to represent the complete three-finger/four-finger data.
Co-developed-by: Jon Xie <jon_xie@pixart.com>
Signed-off-by: Jon Xie <jon_xie@pixart.com>
Co-developed-by: Jay Lee <jay_lee@pixart.com>
Signed-off-by: Jay Lee <jay_lee@pixart.com>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://lore.kernel.org/r/20240704125243.3633569-1-zhoubinbin@loongson.cn
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
In case the touch controller is not connected, this message keeps scrolling
on the console indefinitelly. Ratelimit it to avoid filling kernel logs.
"
ads7846 spi2.1: spi_sync --> -22
"
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20240708211913.171243-1-marex@denx.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Two fixes about building perf and other tools:
* Fix breakage in tracing tools due to pkg-config for libtrace{event,fs}
* Fix build of perf when libunwind is used
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-fixes-for-v6.11-2024-07-23' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Namhyung Kim:
"Two fixes for building perf and other tools:
- Fix breakage in tracing tools due to pkg-config for
libtrace{event,fs}
- Fix build of perf when libunwind is used"
* tag 'perf-tools-fixes-for-v6.11-2024-07-23' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
perf dso: Fix build when libunwind is enabled
tools/latency: Use pkg-config in lib_setup of Makefile.config
tools/rtla: Use pkg-config in lib_setup of Makefile.config
tools/verification: Use pkg-config in lib_setup of Makefile.config
tools: Make pkg-config dependency checks usable by other tools
perf build: Warn if libtracefs is not found
- Move KUnit tests to tests/ subdirectory
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Merge tag 'execve-v6.11-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull execve fix from Kees Cook:
"This moves the exec and binfmt_elf tests out of your way and into the
tests/ subdirectory, following the newly ratified KUnit naming
conventions. :)"
* tag 'execve-v6.11-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
execve: Move KUnit tests to tests/ subdirectory
Allow users to disable kernel warnings for unaligned memory
accesses from kernel via the /proc/sys/kernel/ignore-unaligned-usertrap
procfs entry.
That way users can disable those warnings in case they happen too
often.
Signed-off-by: Helge Deller <deller@gmx.de>
Although by default we negotiate CIFS Unix Extensions for SMB1 mounts to
Samba (and they work if the user does not specify "unix" or "posix" or
"linux" on mount), and we do properly handle when a user turns them off
with "nounix" mount parm. But with the changes to the mount API we
broke cases where the user explicitly specifies the "unix" option (or
equivalently "linux" or "posix") on mount with vers=1.0 to Samba or other
servers which support the CIFS Unix Extensions.
"mount error(95): Operation not supported"
and logged:
"CIFS: VFS: Check vers= mount option. SMB3.11 disabled but required for POSIX extensions"
even though CIFS Unix Extensions are supported for vers=1.0 This patch fixes
the case where the user specifies both "unix" (or equivalently "posix" or
"linux") and "vers=1.0" on mount to a server which supports the
CIFS Unix Extensions.
Cc: stable@vger.kernel.org
Reviewed-by: David Howells <dhowell@redhat.com>
Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
When mounting with the SMB1 Unix Extensions (e.g. mounts
to Samba with vers=1.0), reconnects no longer reset the
Unix Extensions (SetFSInfo SET_FILE_UNIX_BASIC) after tcon so most
operations (e.g. stat, ls, open, statfs) will fail continuously
with:
"Operation not supported"
if the connection ever resets (e.g. due to brief network disconnect)
Cc: stable@vger.kernel.org
Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
When ice driver reads recipes from firmware information about
need_pass_l2 and allow_pass_l2 flags is not stored correctly.
Those flags are stored as one bit each in ice_sw_recipe structure.
Because of that, the result of checking a flag has to be casted to bool.
Note that the need_pass_l2 flag currently works correctly, because
it's stored in the first bit.
Fixes: bccd9bce29 ("ice: Add guard rule when creating FDB in switchdev")
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
While the iavf driver adds a s/w limit (128) on the number of FDIR
filters that the VF can request, a malicious VF driver can request more
than that and exhaust the resources for other VFs.
Add a similar limit in ice.
CC: stable@vger.kernel.org
Fixes: 1f7ea1cd6a ("ice: Enable FDIR Configure for AVF")
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Suggested-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
It's a pretty small update including mostly minor bug fixes in zoned storage
along with the large section support.
Enhancement:
- add support for FS_IOC_GETFSSYSFSPATH
- enable atgc dynamically if conditions are met
- use new ioprio Macro to get ckpt thread ioprio level
- remove unreachable lazytime mount option parsing
Bug fix:
- fix null reference error when checking end of zone
- fix start segno of large section
- fix to cover read extent cache access with lock
- don't dirty inode for readonly filesystem
- allocate a new section if curseg is not the first seg in its zone
- only fragment segment in the same section
- truncate preallocated blocks in f2fs_file_open()
- fix to avoid use SSR allocate when do defragment
- fix to force buffered IO on inline_data inode
And, it includes some minor code clean-ups, and sanity checks.
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Merge tag 'f2fs-for-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"A pretty small update including mostly minor bug fixes in zoned
storage along with the large section support.
Enhancements:
- add support for FS_IOC_GETFSSYSFSPATH
- enable atgc dynamically if conditions are met
- use new ioprio Macro to get ckpt thread ioprio level
- remove unreachable lazytime mount option parsing
Bug fixes:
- fix null reference error when checking end of zone
- fix start segno of large section
- fix to cover read extent cache access with lock
- don't dirty inode for readonly filesystem
- allocate a new section if curseg is not the first seg in its zone
- only fragment segment in the same section
- truncate preallocated blocks in f2fs_file_open()
- fix to avoid use SSR allocate when do defragment
- fix to force buffered IO on inline_data inode
And some minor code clean-ups and sanity checks"
* tag 'f2fs-for-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (26 commits)
f2fs: clean up addrs_per_{inode,block}()
f2fs: clean up F2FS_I()
f2fs: use meta inode for GC of COW file
f2fs: use meta inode for GC of atomic file
f2fs: only fragment segment in the same section
f2fs: fix to update user block counts in block_operations()
f2fs: remove unreachable lazytime mount option parsing
f2fs: fix null reference error when checking end of zone
f2fs: fix start segno of large section
f2fs: remove redundant sanity check in sanity_check_inode()
f2fs: assign CURSEG_ALL_DATA_ATGC if blkaddr is valid
f2fs: fix to use mnt_{want,drop}_write_file replace file_{start,end}_wrtie
f2fs: clean up set REQ_RAHEAD given rac
f2fs: enable atgc dynamically if conditions are met
f2fs: fix to truncate preallocated blocks in f2fs_file_open()
f2fs: fix to cover read extent cache access with lock
f2fs: fix return value of f2fs_convert_inline_inode()
f2fs: use new ioprio Macro to get ckpt thread ioprio level
f2fs: fix to don't dirty inode for readonly filesystem
f2fs: fix to avoid use SSR allocate when do defragment
...
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Merge tag 'jfs-6.11' of github.com:kleikamp/linux-shaggy
Pull jfs updates from David Kleikamp:
"Folio conversion from Matthew Wilcox and a few various fixes"
* tag 'jfs-6.11' of github.com:kleikamp/linux-shaggy:
jfs: don't walk off the end of ealist
jfs: Fix shift-out-of-bounds in dbDiscardAG
jfs: Fix array-index-out-of-bounds in diFree
jfs: fix null ptr deref in dtInsertEntry
jfs: Remove use of folio error flag
fs: Remove i_blocks_per_page
jfs: Change metapage->page to metapage->folio
jfs: Convert force_metapage to use a folio
jfs: Convert inc_io to take a folio
jfs: Convert page_to_mp to folio_to_mp
jfs; Convert __invalidate_metapages to use a folio
jfs: Convert dec_io to take a folio
jfs: Convert drop_metapage and remove_metapage to take a folio
jfs; Convert release_metapage to use a folio
jfs: Convert insert_metapage() to take a folio
jfs: Convert __get_metapage to use a folio
jfs: Convert metapage_writepage to metapage_write_folio
jfs: Convert metapage_read_folio to use folio APIs
For the bad opcode case, it will cause CP/ME hang.
The firmware will prevent the ME side from hanging by raising a bad opcode interrupt.
And the driver needs to perform a vmid reset when receiving the interrupt.
Acked-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
For the bad opcode case, it will cause CP/ME hang.
The firmware will prevent the ME side from hanging by raising a bad opcode interrupt.
And the driver needs to perform a vmid reset when receiving the interrupt.
Acked-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
For the bad opcode case, it will cause CP/ME hang.
The firmware will prevent the ME side from hanging by raising a bad opcode interrupt.
And the driver needs to perform a vmid reset when receiving the interrupt.
v2: update irq naming (drop priv) (Alex)
Acked-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
For the bad opcode case, it will cause CP/ME hang.
The firmware will prevent the ME side from hanging by raising a bad opcode interrupt.
And the driver needs to perform a vmid reset when receiving the interrupt.
v2: update irq naming (drop priv) (Alex)
Acked-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
For the bad opcode case, it will cause CP/ME hang.
The firmware will prevent the ME side from hanging by raising a bad opcode interrupt.
And the driver needs to perform a vmid reset when receiving the interrupt.
v2: update irq naming (drop priv) (Alex)
Acked-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Reviewed-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Need to handle the interrupt enables for all pipes.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Need to handle the interrupt enables for all pipes.
v2: fix indexing (Jessie)
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Need to handle the interrupt enables for all pipes.
v2: fix indexing (Jessie)
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Need to handle the interrupt enables for all pipes.
v2: fix indexing (Jessie)
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
It should work the same for compute as well as gfx.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
It should work the same for compute as well as gfx.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
It should work the same for compute as well as gfx.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The eeprom table is empty before initializing,
set eeprom table version first before initializing.
Changed from V1:
Reuse amdgpu_ras_set_eeprom_table_version function
Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit addresses a potential null pointer dereference issue in the
`dcn32_init_hw` function. The issue could occur when `dc->clk_mgr` is
null.
The fix adds a check to ensure `dc->clk_mgr` is not null before
accessing its functions. This prevents a potential null pointer
dereference.
Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn32/dcn32_hwseq.c:961 dcn32_init_hw() error: we previously assumed 'dc->clk_mgr' could be null (see line 782)
Cc: Tom Chung <chiahsuan.chung@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Roman Li <roman.li@amd.com>
Cc: Alex Hung <alex.hung@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The ras command shared memory is allocated from
VRAM and the response status of the command
buffer will not be zero due to gpu being in
fatal error state after ras UE error injection.
Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add atomic queue_refcount to struct bo_va, return -EBUSY to fail unmap
BO from the GPU if the bo_va queue_refcount is not zero.
Create queue to increase the bo_va queue_refcount, destroy queue to
decrease the bo_va queue_refcount, to ensure the queue buffers mapped on
the GPU when queue is active.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
