diff options
| author | Eric Dumazet <edumazet@google.com> | 2019-10-28 14:56:46 -0700 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2019-10-30 11:09:35 -0700 |
| commit | 9ff6aa027dbb98755f0265695354f2dd07c0d1ce (patch) | |
| tree | d6bb4e4288065583d14c1f16aaaeb4943c35e492 /kernel/dma/contiguous.c | |
| parent | 4544b9f25e70eae9f70a243de0cc802aa5c8cb69 (diff) | |
dma-debug: add a schedule point in debug_dma_dump_mappings()
debug_dma_dump_mappings() can take a lot of cpu cycles :
lpk43:/# time wc -l /sys/kernel/debug/dma-api/dump
163435 /sys/kernel/debug/dma-api/dump
real 0m0.463s
user 0m0.003s
sys 0m0.459s
Let's add a cond_resched() to avoid holding cpu for too long.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Corentin Labbe <clabbe@baylibre.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'kernel/dma/contiguous.c')
0 files changed, 0 insertions, 0 deletions