diff options
| author | Dave Jiang | 2022-09-19 09:58:42 -0700 |
|---|---|---|
| committer | Vinod Koul | 2022-09-29 22:46:08 +0530 |
| commit | 898ec89dbb55b8294695ad71694a0684e62b2a73 (patch) | |
| tree | 5c53f5c5c5f9657fadd97ae2b2497336f41b822e /Documentation/scheduler | |
| parent | b9d2140c3badf4107973ad77c5a0ec3075705c85 (diff) | |
dmaengine: ioat: stop mod_timer from resurrecting deleted timer in __cleanup()
User reports observing timer event report channel halted but no error
observed in CHANERR register. The driver finished self-test and released
channel resources. Debug shows that __cleanup() can call
mod_timer() after the timer has been deleted and thus resurrect the
timer. While harmless, it causes suprious error message to be emitted.
Use mod_timer_pending() call to prevent deleted timer from being
resurrected.
Fixes: 3372de5813e4 ("dmaengine: ioatdma: removal of dma_v3.c and relevant ioat3 references")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/166360672197.3851724.17040290563764838369.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'Documentation/scheduler')
0 files changed, 0 insertions, 0 deletions