From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
To: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Cc: Avi Kivity <avi@redhat.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: [PATCH 1/3] KVM: MMU: using kvm_release_pfn_clean to release pfn
Date: Mon, 23 Jul 2012 22:05:18 +0800 [thread overview]
Message-ID: <500D5A1E.6000704@linux.vnet.ibm.com> (raw)
In-Reply-To: <500D59A7.9060503@linux.vnet.ibm.com>
The current code depends on fault_page is the normal page, but we will
use the error code instead of dummy page in the later patch, so using
kvm_release_pfn_clean to release pfn which will release error code probably
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
---
arch/x86/kvm/mmu.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 2419934..a9a2052 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3275,7 +3275,7 @@ static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn,
if (!async)
return false; /* *pfn has correct page already */
- put_page(pfn_to_page(*pfn));
+ kvm_release_pfn_clean(*pfn);
if (!prefault && can_do_async_pf(vcpu)) {
trace_kvm_try_async_get_page(gva, gfn);
--
1.7.7.6
next prev parent reply other threads:[~2012-07-23 14:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-23 14:03 [PATCH 0/3] KVM: remove dummy pages Xiao Guangrong
2012-07-23 14:05 ` Xiao Guangrong [this message]
2012-07-23 14:06 ` [PATCH 2/3] KVM: use kvm_release_page_clean to guest page Xiao Guangrong
2012-07-23 14:07 ` [PATCH 3/3] KVM: remove dummy pages Xiao Guangrong
2012-07-24 2:13 ` [PATCH 0/3] " Xiao Guangrong
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