| commit | e31c243f984628d02f045dc4b622f1e2827860dc | [log] [tgz] |
|---|---|---|
| author | David Howells <dhowells@redhat.com> | Thu Apr 10 16:10:55 2008 +0100 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Thu Apr 10 13:41:29 2008 -0700 |
| tree | cd2ac2f33c7da86b515087260d93179b31fd1671 | |
| parent | 0c93d8e4d342b1b5cda1037f2527fcf443c80fbc [diff] |
FRV: Add support for emulation of userspace atomic ops [try #2] Use traps 120-126 to emulate atomic cmpxchg32, xchg32, and XOR-, OR-, AND-, SUB- and ADD-to-memory operations for userspace. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>