| commit | e31c243f984628d02f045dc4b622f1e2827860dc | |
| author | David Howells <dhowells@redhat.com> | |
| Thu, 10 Apr 2008 15:10:55 +0000 (10 16:10 +0100) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Thu, 10 Apr 2008 20:41:29 +0000 (10 13:41 -0700) | ||
| tree | cd2ac2f33c7da86b515087260d93179b31fd1671 | treesnapshot (tar.gz zip) |
| parent | 0c93d8e4d342b1b5cda1037f2527fcf443c80fbc | commitdiff |
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>
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>
| arch/frv/kernel/entry-table.S | diffblobblamehistory | |
| arch/frv/kernel/entry.S | diffblobblamehistory | |
| arch/frv/kernel/traps.c | diffblobblamehistory | |
| include/asm-frv/spr-regs.h | diffblobblamehistory |