diff mbox

[04/19] powerpc: Remove redundant mflr in _switch

Message ID 1446079451-8774-5-git-send-email-anton@samba.org (mailing list archive)
State Accepted
Headers show

Commit Message

Anton Blanchard Oct. 29, 2015, 12:43 a.m. UTC 
No need to execute mflr twice.

Signed-off-by: Anton Blanchard <anton@samba.org>
---
 arch/powerpc/kernel/entry_64.S | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff mbox

Patch

diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index e84e5bc..c8b4225 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -452,9 +452,7 @@  _GLOBAL(_switch)
 	/* r3-r13 are caller saved -- Cort */
 	SAVE_8GPRS(14, r1)
 	SAVE_10GPRS(22, r1)
-	mflr	r20		/* Return to switch caller */
-
-	std	r20,_NIP(r1)
+	std	r0,_NIP(r1)	/* Return to switch caller */
 	mfcr	r23
 	std	r23,_CCR(r1)
 	std	r1,KSP(r3)	/* Set old stack pointer */