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| author | Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> | 2012-08-03 15:42:10 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-08-06 16:04:57 +0300 |
| commit | cb9aaa30b133574b646d9d4766ef08a843211393 (patch) | |
| tree | 214d3b1dd115573d1aea11d2f4dafe525a1ac674 /arch/x86/kvm/paging_tmpl.h | |
| parent | 6cede2e6794be6b0649f62d3681e0c4aff5a9270 (diff) | |
| download | blackbird-op-linux-cb9aaa30b133574b646d9d4766ef08a843211393.tar.gz blackbird-op-linux-cb9aaa30b133574b646d9d4766ef08a843211393.zip | |
KVM: do not release the error pfn
After commit a2766325cf9f9, the error pfn is replaced by the
error code, it need not be released anymore
[ The patch has been compiling tested for powerpc ]
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/paging_tmpl.h')
| -rw-r--r-- | arch/x86/kvm/paging_tmpl.h | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index bb7cf01cae76..bf8c42bf50fe 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -370,10 +370,8 @@ static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, pgprintk("%s: gpte %llx spte %p\n", __func__, (u64)gpte, spte); pte_access = sp->role.access & FNAME(gpte_access)(vcpu, gpte, true); pfn = gfn_to_pfn_atomic(vcpu->kvm, gpte_to_gfn(gpte)); - if (mmu_invalid_pfn(pfn)) { - kvm_release_pfn_clean(pfn); + if (mmu_invalid_pfn(pfn)) return; - } /* * we call mmu_set_spte() with host_writable = true because that @@ -448,10 +446,8 @@ static void FNAME(pte_prefetch)(struct kvm_vcpu *vcpu, struct guest_walker *gw, gfn = gpte_to_gfn(gpte); pfn = pte_prefetch_gfn_to_pfn(vcpu, gfn, pte_access & ACC_WRITE_MASK); - if (mmu_invalid_pfn(pfn)) { - kvm_release_pfn_clean(pfn); + if (mmu_invalid_pfn(pfn)) break; - } mmu_set_spte(vcpu, spte, sp->role.access, pte_access, 0, 0, NULL, PT_PAGE_TABLE_LEVEL, gfn, |
