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Commit 362957c2 authored Aug 05, 2016 by Christophe Leroy Committed by Michael Ellerman Jun 02, 2017

powerpc/40x: Clear MSR_DR in one insn instead of two



Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent 92aa2fe0

arch/powerpc/kernel/misc_32.S

+2 −4

Original line number	Diff line number	Diff line
		@@ -244,8 +244,7 @@ _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
		@@ -262,8 +261,7 @@ _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