KVM: x86/mmu: remove unused variable

The last use of 'pfn' went away with the same-named argument to
host_pfn_mapping_level; now that the hugepage level is obtained
exclusively from the host page tables, kvm_mmu_zap_collapsible_spte
does not need to know host pfns at all.

Fixes: a8ac499bb6 ("KVM: x86/mmu: Don't require refcounted "struct page" to create huge SPTEs")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
2022-08-01 07:27:18 -04:00
parent c4edb2babc
commit 31f6e3832a

View File

@@ -6416,13 +6416,11 @@ static bool kvm_mmu_zap_collapsible_spte(struct kvm *kvm,
u64 *sptep;
struct rmap_iterator iter;
int need_tlb_flush = 0;
kvm_pfn_t pfn;
struct kvm_mmu_page *sp;
restart:
for_each_rmap_spte(rmap_head, &iter, sptep) {
sp = sptep_to_sp(sptep);
pfn = spte_to_pfn(*sptep);
/*
* We cannot do huge page mapping for indirect shadow pages,