Brijesh Singh 618232e219 KVM: x86: Avoid guest page table walk when gpa_available is set ... When a guest causes a page fault which requires emulation, the vcpu->arch.gpa_available flag is set to indicate that cr2 contains a valid GPA. Currently, emulator_read_write_onepage() makes use of gpa_available flag to avoid a guest page walk for a known MMIO regions. Lets not limit the gpa_available optimization to just MMIO region. The patch extends the check to avoid page walk whenever gpa_available flag is set. Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> [Fix EPT=0 according to Wanpeng Li's fix, plus ensure VMX also uses the new code. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: David Hildenbrand <david@redhat.com> [Moved "ret < 0" to the else brach, as per David's review. - Radim] Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>		2017-08-18 14:37:49 +02:00
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asm	KVM: x86: Avoid guest page table walk when gpa_available is set	2017-08-18 14:37:49 +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