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KVM: x86/mmu: allow kvm_faultin_pfn to return page fault handling code
authorMaxim Levitsky <mlevitsk@redhat.com>
Tue, 10 Aug 2021 20:52:41 +0000 (23:52 +0300)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 20 Aug 2021 20:06:20 +0000 (16:06 -0400)
commitc2ccf1259322c10cb58371490c97cf5191cadac9
tree5646617f3959b9f760aad8e00b4f07254e5c1641tree | snapshot
parent9a7a82e15593d3694db6766e82228afb31227449commit | diff
KVM: x86/mmu: allow kvm_faultin_pfn to return page fault handling code

This will allow it to return RET_PF_EMULATE for APIC mmio
emulation.

This code is based on a patch from Sean Christopherson:
https://lkml.org/lkml/2021/7/19/2970

Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210810205251.424103-7-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/mmu/mmu.c diff | blob | history
arch/x86/kvm/mmu/paging_tmpl.h diff | blob | history
Linux Kernel Source Tree.