Paolo Bonzini b9dd21e104 KVM: x86: simplify handling of PKRU ... Move it to struct kvm_arch_vcpu, replacing guest_pkru_valid with a simple comparison against the host value of the register. The write of PKRU in addition can be skipped if the guest has not enabled the feature. Once we do this, we need not test OSPKE in the host anymore, because guest_CR4.PKE=1 implies host_CR4.PKE=1. The static PKU test is kept to elide the code on older CPUs. Suggested-by: Yang Zhang <zy107165@alibaba-inc.com> Fixes: 1be0e61c1f Cc: stable@vger.kernel.org Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>		2017-08-25 09:28:28 +02:00
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asm	KVM: x86: simplify handling of PKRU	2017-08-25 09:28:28 +02:00
uapi/asm	KVM: async_pf: Let guest support delivery of async_pf from guest mode	2017-07-14 14:26:16 +02:00