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>
This commit is contained in:
Sean Christopherson 2019-08-01 13:35:21 -07:00 committed by Paolo Bonzini
parent c8e16b78c6
commit 871bd03460
4 changed files with 5 additions and 5 deletions

View File

@ -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

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@ -717,7 +717,7 @@ struct kvm_vcpu_arch {
/* Cache MMIO info */
u64 mmio_gva;
unsigned access;
unsigned mmio_access;
gfn_t mmio_gfn;
u64 mmio_gen;

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@ -5377,7 +5377,7 @@ static int vcpu_mmio_gva_to_gpa(struct kvm_vcpu *vcpu, unsigned long gva,
*/
if (vcpu_match_mmio_gva(vcpu, gva)
&& !permission_fault(vcpu, vcpu->arch.walk_mmu,
vcpu->arch.access, 0, access)) {
vcpu->arch.mmio_access, 0, access)) {
*gpa = vcpu->arch.mmio_gfn << PAGE_SHIFT |
(gva & (PAGE_SIZE - 1));
trace_vcpu_match_mmio(gva, *gpa, write, false);

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@ -196,7 +196,7 @@ static inline void vcpu_cache_mmio_info(struct kvm_vcpu *vcpu,
* actually a nGPA.
*/
vcpu->arch.mmio_gva = mmu_is_nested(vcpu) ? 0 : gva & PAGE_MASK;
vcpu->arch.access = access;
vcpu->arch.mmio_access = access;
vcpu->arch.mmio_gfn = gfn;
vcpu->arch.mmio_gen = gen;
}