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Commit fad93fe1 authored by Alexander Graf's avatar Alexander Graf Committed by Avi Kivity
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KVM: PPC: Add PV guest scratch registers 



While running in hooked code we need to store register contents out because
we must not clobber any registers.

So let's add some fields to the shared page we can just happily write to.

Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 5c6cedf4

arch/powerpc/include/asm/kvm_para.h

+3 −0
Original line number Diff line number Diff line
@@ -24,6 +24,9 @@ 
#include <linux/of.h>



struct kvm_vcpu_arch_shared {

	__u64 scratch1;

	__u64 scratch2;

	__u64 scratch3;

	__u64 critical;		/* Guest may not get interrupts if == r1 */

	__u64 sprg0;

	__u64 sprg1;