KVM: MMU: Eliminate eperm temporary
'eperm' is no longer used in the walker loop, so we can eliminate it.
Reviewed-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 134ea7b..95a64d1 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -153,7 +153,6 @@
gfn_t table_gfn;
unsigned index, pt_access, pte_access;
gpa_t pte_gpa;
- bool eperm;
int offset;
const int write_fault = access & PFERR_WRITE_MASK;
const int user_fault = access & PFERR_USER_MASK;
@@ -165,7 +164,6 @@
trace_kvm_mmu_pagetable_walk(addr, access);
retry_walk:
- eperm = false;
walker->level = mmu->root_level;
pte = mmu->get_cr3(vcpu);
@@ -231,8 +229,7 @@
walker->ptes[walker->level - 1] = pte;
} while (!is_last_gpte(mmu, walker->level, pte));
- eperm |= permission_fault(mmu, pte_access, access);
- if (unlikely(eperm)) {
+ if (unlikely(permission_fault(mmu, pte_access, access))) {
errcode |= PFERR_PRESENT_MASK;
goto error;
}