This is a note to let you know that I've just added the patch titled
powerpc: 32 bit getcpu VDSO function uses 64 bit instructions
to the 3.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
powerpc-32-bit-getcpu-vdso-function-uses-64-bit-instructions.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 152d44a853e42952f6c8a504fb1f8eefd21fd5fd Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@xxxxxxxxx>
Date: Thu, 27 Nov 2014 08:11:28 +1100
Subject: powerpc: 32 bit getcpu VDSO function uses 64 bit instructions
From: Anton Blanchard <anton@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/kernel/vdso32/getcpu.S | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- 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
Patches currently in stable-queue which might be from anton@xxxxxxxxx are
queue-3.17/powerpc-32-bit-getcpu-vdso-function-uses-64-bit-instructions.patch
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