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| author |   Alexander Duyck <alexander.h.duyck@intel.com> | 2016-12-14 15:05:15 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-14 16:04:07 -0800 |
| commit | 68bbc28f616c18b695a13e59adefb9a1fc0c46a0 (patch) | |
| tree | 60d6d2e062f44c5ad9e3c5e418eda9978370f518 /kernel/sysctl.c | |
| parent | arch/sh: add option to skip DMA sync as a part of mapping (diff) | |
| download | wireguard-linux-68bbc28f616c18b695a13e59adefb9a1fc0c46a0.tar.xz wireguard-linux-68bbc28f616c18b695a13e59adefb9a1fc0c46a0.zip | |
arch/sparc: add option to skip DMA sync as a part of map and unmap
This change allows us to pass DMA_ATTR_SKIP_CPU_SYNC which allows us to
avoid invoking cache line invalidation if the driver will just handle it
via a sync_for_cpu or sync_for_device call.
Link: http://lkml.kernel.org/r/20161110113544.76501.40008.stgit@ahduyck-blue-test.jf.intel.com
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/sysctl.c')
0 files changed, 0 insertions, 0 deletions