| commit | 6142891a0c0209c91aa4a98f725de0d6e2ed4918 | |
| author | Andi Kleen <ak@suse.de> | |
| Mon, 12 Sep 2005 16:49:24 +0000 (12 18:49 +0200) | ||
| committer | Linus Torvalds <torvalds@g5.osdl.org> | |
| Mon, 12 Sep 2005 17:49:56 +0000 (12 10:49 -0700) | ||
| tree | 42bea8f8c19aeec3a2b5d518f09b7902fe6bf6d1 | treesnapshot (tar.gz zip) |
| parent | 357e11d4cbbbb959a88a9bdbbf33a10f160b0823 | commitdiff |
[PATCH] x86-64: Avoid unnecessary double bouncing for swiotlb
PCI_DMA_BUS_IS_PHYS has to be zero even when the GART IOMMU is disabled
and the swiotlb is used. Otherwise the block layer does unnecessary
double bouncing.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
PCI_DMA_BUS_IS_PHYS has to be zero even when the GART IOMMU is disabled
and the swiotlb is used. Otherwise the block layer does unnecessary
double bouncing.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| include/asm-x86_64/pci.h | diffblobblamehistory |