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Commit ca252055 authored by Paul Mackerras's avatar Paul Mackerras Committed by Alexander Graf
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KVM: PPC: Book3S HV: Flush the correct number of TLB sets on POWER8 



POWER8 has 512 sets in the TLB, compared to 128 for POWER7, so we need
to do more tlbiel instructions when flushing the TLB on POWER8.

Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
parent b005255e

arch/powerpc/kvm/book3s_hv_rmhandlers.S

+7 −1
Original line number Diff line number Diff line
@@ -430,7 +430,13 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_201) 
	andc	r7,r7,r0

	stdcx.	r7,0,r6

	bne	23b

	li	r6,128			/* and flush the TLB */

	/* Flush the TLB of any entries for this LPID */

	/* use arch 2.07S as a proxy for POWER8 */

BEGIN_FTR_SECTION

	li	r6,512			/* POWER8 has 512 sets */

FTR_SECTION_ELSE

	li	r6,128			/* POWER7 has 128 sets */

ALT_FTR_SECTION_END_IFSET(CPU_FTR_ARCH_207S)

	mtctr	r6

	li	r7,0x800		/* IS field = 0b10 */

	ptesync