| commit | a66f6375bdeb64d7a56c532bda7c006358845820 | |
| author | David Howells <dhowells@redhat.com> | |
| Tue, 4 May 2010 12:42:53 +0000 (4 13:42 +0100) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Tue, 4 May 2010 22:24:14 +0000 (4 15:24 -0700) | ||
| tree | 2d42106075f70f23d12485edfdc4aba537187dcb | treesnapshot (tar.gz zip) |
| parent | c81406d6423416f1e18a8a41a3b7ac415fdf13d3 | commitdiff |
Fix the x86_64 implementation of call_rwsem_wait()
The x86_64 call_rwsem_wait() treats the active state counter part of the
R/W semaphore state as being 16-bit when it's actually 32-bit (it's half
of the 64-bit state). It should do "decl %edx" not "decw %dx".
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The x86_64 call_rwsem_wait() treats the active state counter part of the
R/W semaphore state as being 16-bit when it's actually 32-bit (it's half
of the 64-bit state). It should do "decl %edx" not "decw %dx".
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| arch/x86/lib/rwsem_64.S | diffblobblamehistory |