linux-kernel - [PATCH 2/7] KVM: MMU: cleanup for dirty page judgment

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Date:	Fri, 11 Jun 2010 21:29:42 +0800
From:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
To:	Avi Kivity <avi@...hat.com>
CC:	Marcelo Tosatti <mtosatti@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	KVM list <kvm@...r.kernel.org>
Subject: [PATCH 2/7] KVM: MMU: cleanup for dirty page judgment

Using wrap function to cleanup page dirty judgment

Signed-off-by: Xiao Guangrong <xiaoguangrong@...fujitsu.com>
---
 arch/x86/kvm/paging_tmpl.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 8d00bb2..876e705 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -287,7 +287,7 @@ static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
 	 * vcpu->arch.update_pte.pfn was fetched from get_user_pages(write = 1).
 	 */
 	mmu_set_spte(vcpu, spte, sp->role.access, pte_access, 0, 0,
-		     gpte & PT_DIRTY_MASK, NULL, PT_PAGE_TABLE_LEVEL,
+		     is_dirty_gpte(gpte), NULL, PT_PAGE_TABLE_LEVEL,
 		     gpte_to_gfn(gpte), pfn, true, true);
 }
 
@@ -319,7 +319,7 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
 			mmu_set_spte(vcpu, sptep, access,
 				     gw->pte_access & access,
 				     user_fault, write_fault,
-				     gw->ptes[gw->level-1] & PT_DIRTY_MASK,
+				     is_dirty_gpte(gw->ptes[gw->level-1]),
 				     ptwrite, level,
 				     gw->gfn, pfn, false, true);
 			break;
-- 
1.6.1.2


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