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| author | Michael S. Tsirkin <mst@redhat.com> | 2016-01-08 10:23:58 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-01-12 21:47:02 +0300 |
| commit | 9e3f84ce416663c84a191cb3ead300fc1a4adadc (patch) | |
| tree | 8c4537b92a1498af2599787cfc8622cd24a0ab20 /drivers/virtio/virtio_ring.c | |
| parent | 3226aad81aa670015a59e51458a0deb2d3bcb600 (diff) | |
| download | linux-9e3f84ce416663c84a191cb3ead300fc1a4adadc.tar.xz | |
sh: move xchg_cmpxchg to a header by itself
Looks like future sh variants will support a 4-byte cas which will be
used to implement 1 and 2 byte xchg.
This is exactly what we do for llsc now, move the portable part of the
code into a separate header so it's easy to reuse.
Suggested-by: Rich Felker <dalias@libc.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Diffstat (limited to 'drivers/virtio/virtio_ring.c')
0 files changed, 0 insertions, 0 deletions