diff options
author | Jerry Snitselaar <jsnitsel@redhat.com> | 2022-08-23 09:37:09 -0700 |
---|---|---|
committer | Vinod Koul <vkoul@kernel.org> | 2022-09-04 21:58:05 +0530 |
commit | 407171717a4f4d2d80825584643374a2dfdb0540 (patch) | |
tree | 6dcaac81af4482544422d370114898827233e412 /tools/perf/scripts/python/export-to-postgresql.py | |
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 <fenghua.yu@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Vinod Koul <vkoul@kernel.org>
Cc: dmaengine@vger.kernel.org
Fixes: cf4ac3fef338 ("dmaengine: idxd: fix lockdep warning on device driver removal")
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20220823163709.2102468-1-jsnitsel@redhat.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions