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authorAlexander Graf <agraf@suse.de>2010-01-08 02:58:03 +0100
committerMarcelo Tosatti <mtosatti@redhat.com>2010-03-01 12:35:48 -0300
commit7e57cba06074da84d7c24d8c3f44040d2d8c88ac (patch)
treee99519ca301b887de4d689421e7a954f1c7792e4 /arch/powerpc/include/asm/kvm_host.h
parent992b5b29b5ae254c416c62faf98d59a6cf970027 (diff)
downloadop-kernel-dev-7e57cba06074da84d7c24d8c3f44040d2d8c88ac.zip
op-kernel-dev-7e57cba06074da84d7c24d8c3f44040d2d8c88ac.tar.gz
KVM: PPC: Use PACA backed shadow vcpu
We're being horribly racy right now. All the entry and exit code hijacks random fields from the PACA that could easily be used by different code in case we get interrupted, for example by a #MC or even page fault. After discussing this with Ben, we figured it's best to reserve some more space in the PACA and just shove off some vcpu state to there. That way we can drastically improve the readability of the code, make it less racy and less complex. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc/include/asm/kvm_host.h')
-rw-r--r--arch/powerpc/include/asm/kvm_host.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 1201f62..d615fa8 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -175,10 +175,13 @@ struct kvm_vcpu_arch {
ulong gpr[32];
ulong pc;
- u32 cr;
ulong ctr;
ulong lr;
+
+#ifdef CONFIG_BOOKE
ulong xer;
+ u32 cr;
+#endif
ulong msr;
#ifdef CONFIG_PPC64
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