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| author |   Sean Christopherson <sean.j.christopherson@intel.com> | 2019-08-01 13:35:21 -0700 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2019-08-22 10:09:23 +0200 |
| commit | 871bd0346018df53055141f09754cb5ffb334c7b (patch) | |
| tree | ec98529c1d0e1dac77f6ba0506537d5416ed55e8 /Documentation/virt | |
| parent | x86: KVM: svm: eliminate hardcoded RIP advancement from vmrun_interception() (diff) | |
| download | wireguard-linux-871bd0346018df53055141f09754cb5ffb334c7b.tar.xz wireguard-linux-871bd0346018df53055141f09754cb5ffb334c7b.zip | |
KVM: x86: Rename access permissions cache member in struct kvm_vcpu_arch
Rename "access" to "mmio_access" to match the other MMIO cache members
and to make it more obvious that it's tracking the access permissions
for the MMIO cache.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'Documentation/virt')
| -rw-r--r-- | Documentation/virt/kvm/mmu.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/virt/kvm/mmu.txt b/Documentation/virt/kvm/mmu.txt index 1b9880dfba0a..dadb29e8738f 100644 --- a/Documentation/virt/kvm/mmu.txt +++ b/Documentation/virt/kvm/mmu.txt @@ -294,7 +294,7 @@ Handling a page fault is performed as follows: - walk shadow page table - check for valid generation number in the spte (see "Fast invalidation of MMIO sptes" below) - - cache the information to vcpu->arch.mmio_gva, vcpu->arch.access and + - cache the information to vcpu->arch.mmio_gva, vcpu->arch.mmio_access and vcpu->arch.mmio_gfn, and call the emulator - If both P bit and R/W bit of error code are set, this could possibly be handled as a "fast page fault" (fixed without taking the MMU lock). See @@ -304,7 +304,7 @@ Handling a page fault is performed as follows: - if permissions are insufficient, reflect the fault back to the guest - determine the host page - if this is an mmio request, there is no host page; cache the info to - vcpu->arch.mmio_gva, vcpu->arch.access and vcpu->arch.mmio_gfn + vcpu->arch.mmio_gva, vcpu->arch.mmio_access and vcpu->arch.mmio_gfn - walk the shadow page table to find the spte for the translation, instantiating missing intermediate page tables as necessary - If this is an mmio request, cache the mmio info to the spte and set some |