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| author | Alexander Graf <agraf@suse.de> | 2010-07-29 14:47:42 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:50:42 +0200 |
| commit | 96bc451a153297bf1f99ef2d633d512ea349ae7a (patch) | |
| tree | 75ab4d40387ea1295a23b180e4c8719ce7053d00 /arch/powerpc/kernel | |
| parent | 34698d8c61bd3fc86b2e99c3d1ad9ef140b3eb0d (diff) | |
| download | kernel_samsung_smdk4412-96bc451a153297bf1f99ef2d633d512ea349ae7a.zip kernel_samsung_smdk4412-96bc451a153297bf1f99ef2d633d512ea349ae7a.tar.gz kernel_samsung_smdk4412-96bc451a153297bf1f99ef2d633d512ea349ae7a.tar.bz2 | |
KVM: PPC: Introduce shared page
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>
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/asm-offsets.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 1c0607d..60e7db4 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -400,6 +400,7 @@ int main(void) DEFINE(VCPU_SPRG6, offsetof(struct kvm_vcpu, arch.sprg6)); DEFINE(VCPU_SPRG7, offsetof(struct kvm_vcpu, arch.sprg7)); DEFINE(VCPU_SHADOW_PID, offsetof(struct kvm_vcpu, arch.shadow_pid)); + DEFINE(VCPU_SHARED, offsetof(struct kvm_vcpu, arch.shared)); /* book3s */ #ifdef CONFIG_PPC_BOOK3S |