From: Anton Blanchard <anton@samba.org>
Date: Wed, 26 Nov 2014 21:11:28 +0000 (+1100)
Subject: powerpc: 32 bit getcpu VDSO function uses 64 bit instructions
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1a54981ca4e4f7713f076c2aa2110014f469b352;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

powerpc: 32 bit getcpu VDSO function uses 64 bit instructions

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@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/arch/powerpc/kernel/vdso32/getcpu.S b/arch/powerpc/kernel/vdso32/getcpu.S
index 47afd08c90f..fe7e97a1aad 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_USPRG3
-	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