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| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2024-05-05 17:08:31 +0300 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2024-05-24 17:30:05 +0300 |
| commit | b794918961516f667b0c745aebdfebbb8a98df39 (patch) | |
| tree | 314f3c588af1c0e7d4f33835e6a81979c69aa0b7 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | 39bc27bd688066a63e56f7f64ad34fae03fbe3b8 (diff) | |
| download | linux-b794918961516f667b0c745aebdfebbb8a98df39.tar.xz | |
dma-buf/sw-sync: don't enable IRQ from sync_print_obj()
Since commit a6aa8fca4d79 ("dma-buf/sw-sync: Reduce irqsave/irqrestore from
known context") by error replaced spin_unlock_irqrestore() with
spin_unlock_irq() for both sync_debugfs_show() and sync_print_obj() despite
sync_print_obj() is called from sync_debugfs_show(), lockdep complains
inconsistent lock state warning.
Use plain spin_{lock,unlock}() for sync_print_obj(), for
sync_debugfs_show() is already using spin_{lock,unlock}_irq().
Reported-by: syzbot <syzbot+a225ee3df7e7f9372dbe@syzkaller.appspotmail.com>
Closes: https://syzkaller.appspot.com/bug?extid=a225ee3df7e7f9372dbe
Fixes: a6aa8fca4d79 ("dma-buf/sw-sync: Reduce irqsave/irqrestore from known context")
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c2e46020-aaa6-4e06-bf73-f05823f913f0@I-love.SAKURA.ne.jp
Signed-off-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions