From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
To: Alexander Graf <agraf@suse.de>
Cc: Paul Mackerras <paulus@samba.org>,
Paolo Bonzini <pbonzini@redhat.com>, KVM <kvm@vger.kernel.org>
Subject: [PATCH] KVM: PPC: fix incorrect way saving SPRN_MMCR2
Date: Wed, 23 Jul 2014 19:52:25 +0800 [thread overview]
Message-ID: <53CFA1F9.8020804@linux.vnet.ibm.com> (raw)
SPRN_SIER and SPRN_MMCR2 are doublely saved, particularly
SPRN_MMCR2 is oversaved with a incorrect value which comes
from SPRN_PMC5
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
---
arch/powerpc/kvm/book3s_hv_interrupts.S | 5 -----
1 file changed, 5 deletions(-)
diff --git a/arch/powerpc/kvm/book3s_hv_interrupts.S b/arch/powerpc/kvm/book3s_hv_interrupts.S
index 8c86422..731be74 100644
--- a/arch/powerpc/kvm/book3s_hv_interrupts.S
+++ b/arch/powerpc/kvm/book3s_hv_interrupts.S
@@ -127,11 +127,6 @@ BEGIN_FTR_SECTION
stw r10, HSTATE_PMC + 24(r13)
stw r11, HSTATE_PMC + 28(r13)
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_201)
-BEGIN_FTR_SECTION
- mfspr r9, SPRN_SIER
- std r8, HSTATE_MMCR + 40(r13)
- std r9, HSTATE_MMCR + 48(r13)
-END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
31:
/*
--
1.8.3.1
next reply other threads:[~2014-07-23 11:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-23 11:52 Xiao Guangrong [this message]
2014-07-24 13:09 ` [PATCH] KVM: PPC: fix incorrect way saving SPRN_MMCR2 Alexander Graf
2014-07-24 16:20 ` Xiao Guangrong
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