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| author |   Corentin Labbe <clabbe@baylibre.com> | 2019-01-18 13:44:18 +0000 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2019-02-01 10:06:44 +0100 |
| commit | 0a3b192c26da198fce38e1ee242a34f558670246 (patch) | |
| tree | 50c7205f8335fed7863f9446db981936cd350a6e /arch/mips/mm/sc-r5k.c | |
| parent | dma: debug: no need to check return value of debugfs_create functions (diff) | |
| download | linux-dev-0a3b192c26da198fce38e1ee242a34f558670246.tar.xz linux-dev-0a3b192c26da198fce38e1ee242a34f558670246.zip | |
dma-debug: add dumping facility via debugfs
While debugging a DMA mapping leak, I needed to access
debug_dma_dump_mappings() but easily from user space.
This patch adds a /sys/kernel/debug/dma-api/dump file which contain all
current DMA mapping.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'arch/mips/mm/sc-r5k.c')
0 files changed, 0 insertions, 0 deletions