powerpc: perf_event: Hide iseries_check_pending_irqs

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 <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 900e0ee..e722226 100644 (file)
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -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_ISERIES)
 
 #endif /* CONFIG_PPC_BOOK3E */
 
-iseries_check_pending_irqs:
+.Liseries_check_pending_irqs:
 #ifdef CONFIG_PPC_ISERIES
        ld      r5,SOFTE(r1)
        cmpdi   0,r5,0