commit a4a8e6f76ecf963fa7e4d74b3635655a2033a27b
author Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Fri Nov 19 17:04:03 2010 +0800
committer Avi Kivity <avi@redhat.com> Wed Jan 12 11:29:48 2011 +0200
tree 19be96f9c253b47e22600ae0034c2b228d77f6e8
parent 9bdbba13b8868815198e4fdbd484769ef76392d9

KVM: MMU: remove 'clear_unsync' parameter

Remove it since we can judge it by using sp->unsync

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

arch/x86/include/asm/kvm_host.h

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 3cc80c4..1452478 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -250,7 +250,7 @@
 	void (*prefetch_page)(struct kvm_vcpu *vcpu,
 			      struct kvm_mmu_page *page);
 	int (*sync_page)(struct kvm_vcpu *vcpu,
-			 struct kvm_mmu_page *sp, bool clear_unsync);
+			 struct kvm_mmu_page *sp);
 	void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva);
 	hpa_t root_hpa;
 	int root_level;

arch/x86/kvm/mmu.c

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 5910492..3db0cd4 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1156,7 +1156,7 @@
 }
 
 static int nonpaging_sync_page(struct kvm_vcpu *vcpu,
-			       struct kvm_mmu_page *sp, bool clear_unsync)
+			       struct kvm_mmu_page *sp)
 {
 	return 1;
 }
@@ -1286,7 +1286,7 @@
 	if (clear_unsync)
 		kvm_unlink_unsync_page(vcpu->kvm, sp);
 
-	if (vcpu->arch.mmu.sync_page(vcpu, sp, clear_unsync)) {
+	if (vcpu->arch.mmu.sync_page(vcpu, sp)) {
 		kvm_mmu_prepare_zap_page(vcpu->kvm, sp, invalid_list);
 		return 1;
 	}
@@ -1327,12 +1327,12 @@
 			continue;
 
 		WARN_ON(s->role.level != PT_PAGE_TABLE_LEVEL);
+		kvm_unlink_unsync_page(vcpu->kvm, s);
 		if ((s->role.cr4_pae != !!is_pae(vcpu)) ||
-			(vcpu->arch.mmu.sync_page(vcpu, s, true))) {
+			(vcpu->arch.mmu.sync_page(vcpu, s))) {
 			kvm_mmu_prepare_zap_page(vcpu->kvm, s, &invalid_list);
 			continue;
 		}
-		kvm_unlink_unsync_page(vcpu->kvm, s);
 		flush = true;
 	}
 

arch/x86/kvm/paging_tmpl.h

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 57619ed..60f00db 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -740,8 +740,7 @@
  * - The spte has a reference to the struct page, so the pfn for a given gfn
  *   can't change unless all sptes pointing to it are nuked first.
  */
-static int FNAME(sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
-			    bool clear_unsync)
+static int FNAME(sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
 {
 	int i, offset, nr_present;
 	bool host_writable;
@@ -781,7 +780,7 @@
 			u64 nonpresent;
 
 			if (rsvd_bits_set || is_present_gpte(gpte) ||
-			      !clear_unsync)
+			      sp->unsync)
 				nonpresent = shadow_trap_nonpresent_pte;
 			else
 				nonpresent = shadow_notrap_nonpresent_pte;