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| Started by | Christophe Leroy <christophe.leroy@c-s.fr> |
|---|---|
| First post | 2016-08-05 14:00 +0200 |
| Last post | 2016-08-05 14:00 +0200 |
| Articles | 1 — 1 participant |
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[PATCH] powerpc/40x: Clear MSR_DR in one insn instead of two Christophe Leroy <christophe.leroy@c-s.fr> - 2016-08-05 14:00 +0200
| From | Christophe Leroy <christophe.leroy@c-s.fr> |
|---|---|
| Date | 2016-08-05 14:00 +0200 |
| Subject | [PATCH] powerpc/40x: Clear MSR_DR in one insn instead of two |
| Message-ID | <s2LXc-72j-17@gated-at.bofh.it> |
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> --- arch/powerpc/kernel/misc_32.S | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index d9c912b..e025230 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -243,8 +243,7 @@ _GLOBAL(_nmask_and_or_msr) */ _GLOBAL(real_readb) mfmsr r7 - ori r0,r7,MSR_DR - xori r0,r0,MSR_DR + rlwinm r0,r7,0,~MSR_DR sync mtmsr r0 sync @@ -261,8 +260,7 @@ _GLOBAL(real_readb) */ _GLOBAL(real_writeb) mfmsr r7 - ori r0,r7,MSR_DR - xori r0,r0,MSR_DR + rlwinm r0,r7,0,~MSR_DR sync mtmsr r0 sync -- 2.1.0
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