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authorIngo Molnar <mingo@elte.hu>2006-10-05 20:47:22 +0400
committerAndi Kleen <andi@basil.nowhere.org>2006-10-05 20:47:22 +0400
commit88271e9e43e65537c6390af3718a60c45c787e8f (patch)
treeb5c84887d1de93bb9366181f07033e74bda10319 /arch
parent7d0b0e8ddbdda58a852ccff010c0339a38552cc7 (diff)
downloadlinux-88271e9e43e65537c6390af3718a60c45c787e8f.tar.xz
[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.S3
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