[PATCH 3.16.y-ckt 116/168] powerpc: 32 bit getcpu VDSO function uses 64 bit instructions
Luis Henriques
luis.henriques at canonical.com
Mon Dec 15 14:26:10 UTC 2014
3.16.7-ckt3 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Anton Blanchard <anton at samba.org>
commit 152d44a853e42952f6c8a504fb1f8eefd21fd5fd upstream.
I used some 64 bit instructions when adding the 32 bit getcpu VDSO
function. Fix it.
Fixes: 18ad51dd342a ("powerpc: Add VDSO version of getcpu")
Signed-off-by: Anton Blanchard <anton at samba.org>
Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
arch/powerpc/kernel/vdso32/getcpu.S | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/kernel/vdso32/getcpu.S b/arch/powerpc/kernel/vdso32/getcpu.S
index 23eb9a9441bd..c62be60c7274 100644
--- a/arch/powerpc/kernel/vdso32/getcpu.S
+++ b/arch/powerpc/kernel/vdso32/getcpu.S
@@ -30,8 +30,8 @@
V_FUNCTION_BEGIN(__kernel_getcpu)
.cfi_startproc
mfspr r5,SPRN_SPRG_VDSO_READ
- cmpdi cr0,r3,0
- cmpdi cr1,r4,0
+ cmpwi cr0,r3,0
+ cmpwi cr1,r4,0
clrlwi r6,r5,16
rlwinm r7,r5,16,31-15,31-0
beq cr0,1f
--
2.1.3
More information about the kernel-team
mailing list