tree cd2ac2f33c7da86b515087260d93179b31fd1671
parent 0c93d8e4d342b1b5cda1037f2527fcf443c80fbc
author David Howells <dhowells@redhat.com> 1207840255 +0100
committer Linus Torvalds <torvalds@linux-foundation.org> 1207860089 -0700

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>