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| author | Gao Xiang <hsiangkao@linux.alibaba.com> | 2024-11-27 16:52:36 +0800 |
|---|---|---|
| committer | Gao Xiang <hsiangkao@linux.alibaba.com> | 2024-12-13 00:24:40 +0800 |
| commit | 1a2180f6859c73c674809f9f82e36c94084682ba (patch) | |
| tree | e4560d7dbc93fec57a53bbf1bfdc610c7d61c1dc /drivers/platform/x86/intel/pmt/class.c | |
| parent | b10a1e5643e505c367c7e16aa6d8a9a0dc07354b (diff) | |
| download | linux-1a2180f6859c73c674809f9f82e36c94084682ba.tar.gz linux-1a2180f6859c73c674809f9f82e36c94084682ba.tar.bz2 linux-1a2180f6859c73c674809f9f82e36c94084682ba.zip | |
erofs: fix PSI memstall accounting
Max Kellermann recently reported psi_group_cpu.tasks[NR_MEMSTALL] is
incorrect in the 6.11.9 kernel.
The root cause appears to be that, since the problematic commit, bio
can be NULL, causing psi_memstall_leave() to be skipped in
z_erofs_submit_queue().
Reported-by: Max Kellermann <max.kellermann@ionos.com>
Closes: https://lore.kernel.org/r/CAKPOu+8tvSowiJADW2RuKyofL_CSkm_SuyZA7ME5vMLWmL6pqw@mail.gmail.com
Fixes: 9e2f9d34dd12 ("erofs: handle overlapped pclusters out of crafted images properly")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20241127085236.3538334-1-hsiangkao@linux.alibaba.com
Diffstat (limited to 'drivers/platform/x86/intel/pmt/class.c')
0 files changed, 0 insertions, 0 deletions