* [PATCH RESEND] KVM: PPC: fix leakage of error page in kvmppc_patch_dcbz()
@ 2010-08-17 2:08 Wei Yongjun
2010-08-17 9:05 ` Avi Kivity
0 siblings, 1 reply; 2+ messages in thread
From: Wei Yongjun @ 2010-08-17 2:08 UTC (permalink / raw)
To: Avi Kivity; +Cc: kvm
Add kvm_release_page_clean() after is_error_page() to avoid
leakage of error page.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
---
arch/powerpc/kvm/book3s.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index eee97b5..7656b6d 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -455,8 +455,10 @@ static void kvmppc_patch_dcbz(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte)
int i;
hpage = gfn_to_page(vcpu->kvm, pte->raddr >> PAGE_SHIFT);
- if (is_error_page(hpage))
+ if (is_error_page(hpage)) {
+ kvm_release_page_clean(hpage);
return;
+ }
hpage_offset = pte->raddr & ~PAGE_MASK;
hpage_offset &= ~0xFFFULL;
--
1.7.0.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH RESEND] KVM: PPC: fix leakage of error page in kvmppc_patch_dcbz()
2010-08-17 2:08 [PATCH RESEND] KVM: PPC: fix leakage of error page in kvmppc_patch_dcbz() Wei Yongjun
@ 2010-08-17 9:05 ` Avi Kivity
0 siblings, 0 replies; 2+ messages in thread
From: Avi Kivity @ 2010-08-17 9:05 UTC (permalink / raw)
To: Wei Yongjun; +Cc: kvm
On 08/17/2010 05:08 AM, Wei Yongjun wrote:
> Add kvm_release_page_clean() after is_error_page() to avoid
> leakage of error page.
Applied, thanks.
--
error compiling committee.c: too many arguments to function
^ permalink raw reply [flat|nested] 2+ messages in thread
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