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| author | Ingo Molnar <mingo@elte.hu> | 2006-10-05 18:47:22 +0200 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2006-10-05 18:47:22 +0200 |
| commit | 88271e9e43e65537c6390af3718a60c45c787e8f (patch) | |
| tree | b5c84887d1de93bb9366181f07033e74bda10319 /arch | |
| parent | 7d0b0e8ddbdda58a852ccff010c0339a38552cc7 (diff) | |
| download | blackbird-op-linux-88271e9e43e65537c6390af3718a60c45c787e8f.tar.gz blackbird-op-linux-88271e9e43e65537c6390af3718a60c45c787e8f.zip | |
[PATCH] i386: fix rwsem build bug on CONFIG_M386=y
CONFIG_M386 turns on spinlock-based generic rwsems - which surprises the
semaphore.S rwsem stubs. Tested both with and without CONFIG_M386.
Reported-by: Klaus Knopper <knopper@knopper.net>
Triaged-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/i386/lib/semaphore.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/i386/lib/semaphore.S b/arch/i386/lib/semaphore.S index ef6ad9e1a609..c01eb39c0b43 100644 --- a/arch/i386/lib/semaphore.S +++ b/arch/i386/lib/semaphore.S @@ -152,6 +152,8 @@ ENTRY(__read_lock_failed) #endif +#ifdef CONFIG_RWSEM_XCHGADD_ALGORITHM + /* Fix up special calling conventions */ ENTRY(call_rwsem_down_read_failed) CFI_STARTPROC @@ -214,3 +216,4 @@ ENTRY(call_rwsem_downgrade_wake) CFI_ENDPROC END(call_rwsem_downgrade_wake) +#endif |
