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author | Michael S. Tsirkin <mst@redhat.com> | 2018-04-19 19:29:41 +0200 |
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committer | Michael S. Tsirkin <mst@redhat.com> | 2018-06-07 19:54:23 +0200 |
commit | 55e49dc43a835b19567e62142cb1c87dc7db7b3c (patch) | |
tree | b89327c3415a0b789c2532a8df9a938231d1c420 /drivers | |
parent | Linux 4.17 (diff) | |
download | linux-55e49dc43a835b19567e62142cb1c87dc7db7b3c.tar.xz linux-55e49dc43a835b19567e62142cb1c87dc7db7b3c.zip |
virtio_ring: switch to dma_XX barriers for rpmsg
virtio is using barriers to order memory accesses, thus
dma_wmb/rmb is a good match.
Before
[mst@tuck linux]$ size drivers/virtio/virtio_ring.o
text data bss dec hex filename
11392 820 0 12212 2fb4 drivers/virtio/virtio_ring.o
After
mst@tuck linux]$ size drivers/virtio/virtio_ring.o
text data bss dec hex filename
11284 820 0 12104 2f48 drivers/virtio/virtio_ring.o
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: linux-remoteproc@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions