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KVM: PPC: Book3S PR: Expose TAR facility to guest

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POWER8 implements a new register called TAR. This register has to be
enabled in FSCR and then from KVM's point of view is mere storage.

This patch enables the guest to use TAR.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf
2014-04-22 12:26:58 +02:00
parent 616dff8602
commit e14e7a1e53
5 changed files with 28 additions and 6 deletions
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2
arch/powerpc/kernel/asm-offsets.c
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@@ -446,7 +446,9 @@ int main(void)
DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
DEFINE(VCPU_CTR, offsetof(struct kvm_vcpu, arch.ctr));
DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr));
#ifdef CONFIG_PPC_BOOK3S
DEFINE(VCPU_TAR, offsetof(struct kvm_vcpu, arch.tar));
#endif
DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc));
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE