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| author |   Christoph Hellwig <hch@lst.de> | 2019-07-16 22:00:54 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2019-07-17 08:25:45 +0200 |
| commit | a5008b59cd9d8de12ab623cb5052bb4735330e5c (patch) | |
| tree | 50f36841635531cb81255bc1ffad56b3e229512e /arch/x86 | |
| parent | dma-mapping: add a dma_addressing_limited helper (diff) | |
| download | linux-dev-a5008b59cd9d8de12ab623cb5052bb4735330e5c.tar.xz linux-dev-a5008b59cd9d8de12ab623cb5052bb4735330e5c.zip | |
dma-direct: only limit the mapping size if swiotlb could be used
Don't just check for a swiotlb buffer, but also if buffering might
be required for this particular device.
Fixes: 133d624b1cee ("dma: Introduce dma_max_mapping_size()")
Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/x86')
0 files changed, 0 insertions, 0 deletions