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| author | Dave Jiang <dave.jiang@intel.com> | 2021-06-24 13:43:32 -0700 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-07-14 12:27:28 +0530 |
| commit | d5c10e0fc8645342fe5c9796b00c84ab078cd713 (patch) | |
| tree | b3556e0eb478f7455c873a3d85249ee705ff12ea /drivers/dma/idxd/submit.c | |
| parent | da435aedb00a4ef61019ff11ae0c08ffb9b1fb18 (diff) | |
| download | lwn-d5c10e0fc8645342fe5c9796b00c84ab078cd713.tar.gz lwn-d5c10e0fc8645342fe5c9796b00c84ab078cd713.zip | |
dmaengine: idxd: fix setup sequence for MSIXPERM table
The MSIX permission table should be programmed BEFORE request_irq()
happens. This prevents any possibility of an interrupt happening before the
MSIX perm table is setup, however slight.
Fixes: 6df0e6c57dfc ("dmaengine: idxd: clear MSIX permission entry on shutdown")
Sign-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/162456741222.1138073.1298447364671237896.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/idxd/submit.c')
0 files changed, 0 insertions, 0 deletions