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KVM: PPC: Introduce shared page

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For transparent variable sharing between the hypervisor and guest, I introduce
a shared page. This shared page will contain all the registers the guest can
read and write safely without exiting guest context.

This patch only implements the stubs required for the basic structure of the
shared page. The actual register moving follows.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Alexander Graf
2010-07-29 14:47:42 +02:00
committed by Avi Kivity
parent 34698d8c61
commit 96bc451a15
6 changed files with 30 additions and 1 deletions
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5
arch/powerpc/include/asm/kvm_para.h
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@ -20,6 +20,11 @@
#ifndef __POWERPC_KVM_PARA_H__
#define __POWERPC_KVM_PARA_H__
#include <linux/types.h>
struct kvm_vcpu_arch_shared {
};
#ifdef __KERNEL__
static inline int kvm_para_available(void)