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| author | Dave Jiang <dave.jiang@intel.com> | 2021-11-17 10:03:51 -0700 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-11-22 12:29:50 +0530 |
| commit | fa51b16d05583c7aebbc06330afb50276243d198 (patch) | |
| tree | 247e412a5eae041dfe58f412c6ddded7b2d11470 /Kbuild | |
| parent | 1ffc6f359f7ab114ad0d2bbe6a85cbd848709ab2 (diff) | |
| download | linux-stable-fa51b16d05583c7aebbc06330afb50276243d198.tar.gz linux-stable-fa51b16d05583c7aebbc06330afb50276243d198.tar.bz2 linux-stable-fa51b16d05583c7aebbc06330afb50276243d198.zip | |
dmaengine: idxd: fix calling wq quiesce inside spinlock
Dan reports that smatch has found idxd_wq_quiesce() is being called inside
the idxd->dev_lock. idxd_wq_quiesce() calls wait_for_completion() and
therefore it can sleep. Move the call outside of the spinlock as it does
not need device lock.
Fixes: 5b0c68c473a1 ("dmaengine: idxd: support reporting of halt interrupt")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/163716858508.1721911.15051495873516709923.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'Kbuild')
0 files changed, 0 insertions, 0 deletions