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KVM: do not release the error page

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After commit a2766325cf, the error page 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>
This commit is contained in:
Xiao Guangrong
2012-08-03 15:42:52 +08:00
committed by Avi Kivity
parent cb9aaa30b1
commit 32cad84f44
8 changed files with 12 additions and 19 deletions
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9
arch/x86/kvm/x86.c
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@@ -1639,10 +1639,9 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
vcpu->arch.time_page =
gfn_to_page(vcpu->kvm, data >> PAGE_SHIFT);
if (is_error_page(vcpu->arch.time_page)) {
kvm_release_page_clean(vcpu->arch.time_page);
if (is_error_page(vcpu->arch.time_page))
vcpu->arch.time_page = NULL;
}
break;
}
case MSR_KVM_ASYNC_PF_EN:
@@ -3945,10 +3944,8 @@ static int emulator_cmpxchg_emulated(struct x86_emulate_ctxt *ctxt,
goto emul_write;
page = gfn_to_page(vcpu->kvm, gpa >> PAGE_SHIFT);
if (is_error_page(page)) {
kvm_release_page_clean(page);
if (is_error_page(page))
goto emul_write;
}
kaddr = kmap_atomic(page);
kaddr += offset_in_page(gpa);