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From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
To: gleb@redhat.com
Cc: avi.kivity@gmail.com, mtosatti@redhat.com, pbonzini@redhat.com,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Subject: [PATCH v8 04/11] KVM: x86: use the fast way to invalidate all pages
Date: Fri, 31 May 2013 08:36:23 +0800	[thread overview]
Message-ID: <1369960590-14138-5-git-send-email-xiaoguangrong@linux.vnet.ibm.com> (raw)
In-Reply-To: <1369960590-14138-1-git-send-email-xiaoguangrong@linux.vnet.ibm.com>

Replace kvm_mmu_zap_all by kvm_mmu_invalidate_zap_all_pages

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
---
 arch/x86/kvm/mmu.c |   15 ---------------
 arch/x86/kvm/x86.c |    4 ++--
 2 files changed, 2 insertions(+), 17 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index d71bf8f..c8063b9 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -4194,21 +4194,6 @@ void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot)
 	spin_unlock(&kvm->mmu_lock);
 }
 
-void kvm_mmu_zap_all(struct kvm *kvm)
-{
-	struct kvm_mmu_page *sp, *node;
-	LIST_HEAD(invalid_list);
-
-	spin_lock(&kvm->mmu_lock);
-restart:
-	list_for_each_entry_safe(sp, node, &kvm->arch.active_mmu_pages, link)
-		if (kvm_mmu_prepare_zap_page(kvm, sp, &invalid_list))
-			goto restart;
-
-	kvm_mmu_commit_zap_page(kvm, &invalid_list);
-	spin_unlock(&kvm->mmu_lock);
-}
-
 static void kvm_zap_obsolete_pages(struct kvm *kvm)
 {
 	struct kvm_mmu_page *sp, *node;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 3758ff9..15e10f7 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7066,13 +7066,13 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
 
 void kvm_arch_flush_shadow_all(struct kvm *kvm)
 {
-	kvm_mmu_zap_all(kvm);
+	kvm_mmu_invalidate_zap_all_pages(kvm);
 }
 
 void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
 				   struct kvm_memory_slot *slot)
 {
-	kvm_arch_flush_shadow_all(kvm);
+	kvm_mmu_invalidate_zap_all_pages(kvm);
 }
 
 int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
-- 
1.7.7.6


  parent reply	other threads:[~2013-05-31  0:37 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-31  0:36 [PATCH v8 00/11] KVM: MMU: fast zap all shadow pages Xiao Guangrong
2013-05-31  0:36 ` [PATCH v8 01/11] KVM: x86: drop calling kvm_mmu_zap_all in emulator_fix_hypercall Xiao Guangrong
2013-05-31  0:36 ` [PATCH v8 02/11] KVM: MMU: drop unnecessary kvm_reload_remote_mmus Xiao Guangrong
2013-05-31  0:36 ` [PATCH v8 03/11] KVM: MMU: fast invalidate all pages Xiao Guangrong
2013-05-31  0:36 ` Xiao Guangrong [this message]
2013-05-31  0:36 ` [PATCH v8 05/11] KVM: MMU: show mmu_valid_gen in shadow page related tracepoints Xiao Guangrong
2013-05-31  0:36 ` [PATCH v8 06/11] KVM: MMU: add tracepoint for kvm_mmu_invalidate_all_pages Xiao Guangrong
2013-05-31  0:36 ` [PATCH v8 07/11] KVM: MMU: do not reuse the obsolete page Xiao Guangrong
2013-05-31  0:36 ` [PATCH v8 08/11] KVM: MMU: zap pages in batch Xiao Guangrong
2013-05-31  0:36 ` [PATCH v8 09/11] KVM: MMU: collapse TLB flushes when zap all pages Xiao Guangrong
2013-05-31  0:36 ` [PATCH v8 10/11] KVM: MMU: reclaim the zapped-obsolete page first Xiao Guangrong
2013-05-31  0:36 ` [PATCH v8 11/11] KVM: MMU: reduce KVM_REQ_MMU_RELOAD when root page is zapped Xiao Guangrong
2013-06-05  1:26 ` [PATCH v8 00/11] KVM: MMU: fast zap all shadow pages Marcelo Tosatti
2013-06-05  9:51   ` Gleb Natapov
2013-06-05  9:52 ` Gleb Natapov
2013-06-09  8:53 ` Gleb Natapov
2013-06-09  9:06   ` Xiao Guangrong
2013-06-09  9:09     ` Gleb Natapov

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