If CONFIG_PPC_ISERIES isn't defined we end up with iseries_check_pending_irqs
and do_work at the same address. perf ends up picking
iseries_check_pending_irqs which creates confusing backtraces. Hide it.
Signed-off-by: Anton Blanchard <an...@samba.org>
--
Index: linux.trees.git/arch/powerpc/kernel/entry_64.S
===================================================================
--- linux.trees.git.orig/arch/powerpc/kernel/entry_64.S 2009-10-16
11:06:10.000000000 +1100
+++ linux.trees.git/arch/powerpc/kernel/entry_64.S 2009-10-16
11:06:28.000000000 +1100
@@ -551,7 +551,7 @@ restore:
BEGIN_FW_FTR_SECTION
ld r5,SOFTE(r1)
FW_FTR_SECTION_ELSE
- b iseries_check_pending_irqs
+ b .Liseries_check_pending_irqs
ALT_FW_FTR_SECTION_END_IFCLR(FW_FEATURE_ISERIES)
2:
TRACE_AND_RESTORE_IRQ(r5);
@@ -623,7 +623,7 @@ ALT_FW_FTR_SECTION_END_IFCLR(FW_FEATURE_
#endif /* CONFIG_PPC_BOOK3E */
-iseries_check_pending_irqs:
+.Liseries_check_pending_irqs:
#ifdef CONFIG_PPC_ISERIES
ld r5,SOFTE(r1)
cmpdi 0,r5,0
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