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-rw-r--r--arch/powerpc/kernel/exceptions-64s.S13
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 46508b148e16..b049c0bfa883 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -2208,11 +2208,20 @@ __end_interrupts:
DEFINE_FIXED_SYMBOL(__end_interrupts)
#ifdef CONFIG_PPC_970_NAP
+ /*
+ * Called by exception entry code if _TLF_NAPPING was set, this clears
+ * the NAPPING flag, and redirects the exception exit to
+ * power4_fixup_nap_return.
+ */
+ .globl power4_fixup_nap
EXC_COMMON_BEGIN(power4_fixup_nap)
andc r9,r9,r10
std r9,TI_LOCAL_FLAGS(r11)
- ld r10,_LINK(r1) /* make idle task do the */
- std r10,_NIP(r1) /* equivalent of a blr */
+ LOAD_REG_ADDR(r10, power4_idle_nap_return)
+ std r10,_NIP(r1)
+ blr
+
+power4_idle_nap_return:
blr
#endif