From: Anton Blanchard <anton@samba.org>
To: benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au
Cc: linuxppc-dev@lists.ozlabs.org
Subject: [PATCH] powerpc: 32 bit getcpu VDSO function uses 64 bit instructions
Date: Thu, 27 Nov 2014 08:11:28 +1100 [thread overview]
Message-ID: <1417036288-22079-1-git-send-email-anton@samba.org> (raw)
I used some 64 bit instructions when adding the 32 bit getcpu VDSO
function. Fix it.
Fixes: 18ad51dd342a ("powerpc: Add VDSO version of getcpu")
Cc: stable@vger.kernel.org
Signed-off-by: Anton Blanchard <anton@samba.org>
---
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 23eb9a9..c62be60 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
--
2.1.0
next reply other threads:[~2014-11-26 21:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-26 21:11 Anton Blanchard [this message]
2014-11-26 22:38 ` [PATCH] powerpc: 32 bit getcpu VDSO function uses 64 bit instructions Michael Ellerman
2014-11-26 23:23 ` Segher Boessenkool
2014-11-26 23:28 ` Segher Boessenkool
2014-11-26 23:50 ` Peter Bergner
2014-11-27 16:08 ` Segher Boessenkool
2014-11-27 17:41 ` Peter Bergner
2014-11-27 20:50 ` Segher Boessenkool
2014-11-28 2:00 ` Benjamin Herrenschmidt
2014-11-27 18:20 ` Andreas Schwab
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