| commit | 9e3f84ce416663c84a191cb3ead300fc1a4adadc | [log] [tgz] |
|---|---|---|
| author | Michael S. Tsirkin <mst@redhat.com> | Fri Jan 08 09:23:58 2016 +0200 |
| committer | Michael S. Tsirkin <mst@redhat.com> | Tue Jan 12 20:47:02 2016 +0200 |
| tree | 8c4537b92a1498af2599787cfc8622cd24a0ab20 | |
| parent | 3226aad81aa670015a59e51458a0deb2d3bcb600 [diff] |
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>