diff options
| author | Jerry Snitselaar <[email protected]> | 2022-08-23 09:37:09 -0700 |
|---|---|---|
| committer | Vinod Koul <[email protected]> | 2022-09-04 21:58:05 +0530 |
| commit | 407171717a4f4d2d80825584643374a2dfdb0540 (patch) | |
| tree | 6dcaac81af4482544422d370114898827233e412 /tools/perf/scripts/python | |
| parent | 5abef9d713629d7201b1a3dd1fe6a8baa869da68 (diff) | |
dmaengine: idxd: avoid deadlock in process_misc_interrupts()
idxd_device_clear_state() now grabs the idxd->dev_lock
itself, so don't grab the lock prior to calling it.
This was seen in testing after dmar fault occurred on system,
resulting in lockup stack traces.
Cc: Fenghua Yu <[email protected]>
Cc: Dave Jiang <[email protected]>
Cc: Vinod Koul <[email protected]>
Cc: [email protected]
Fixes: cf4ac3fef338 ("dmaengine: idxd: fix lockdep warning on device driver removal")
Signed-off-by: Jerry Snitselaar <[email protected]>
Reviewed-by: Dave Jiang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions