linux

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History

Eric Dumazet 9ff6aa027d 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>

2019-10-30 11:09:35 -07:00

coherent.c

dma-mapping: fix handling of dma-ranges for reserved memory (again)

2019-10-30 11:07:35 -07:00

contiguous.c

dma-direct: fix zone selection after an unaddressable CMA allocation

2019-08-21 07:14:10 +09:00

debug.c

dma-debug: add a schedule point in debug_dma_dump_mappings()

2019-10-30 11:09:35 -07:00

direct.c

Merge branches 'arm/omap', 'arm/exynos', 'arm/smmu', 'arm/mediatek', 'arm/qcom', 'arm/renesas', 'x86/amd', 'x86/vt-d' and 'core' into next