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KVM: x86: Rename access permissions cache member in struct kvm_vcpu_arch

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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 <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
This commit is contained in:
Sean Christopherson 2019-08-01 13:35:21 -07:00 • committed by Paolo Bonzini
commit 871bd03460
4 changed files with 5 additions and 5 deletions
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4
Documentation/virt/kvm/mmu.txt
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@ -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