From a4a8e6f76ecf963fa7e4d74b3635655a2033a27b Mon Sep 17 00:00:00 2001 From: Xiao Guangrong Date: Fri, 19 Nov 2010 17:04:03 +0800 Subject: [PATCH] KVM: MMU: remove 'clear_unsync' parameter Remove it since we can judge it by using sp->unsync Signed-off-by: Xiao Guangrong Signed-off-by: Marcelo Tosatti --- arch/x86/include/asm/kvm_host.h | 2 +- arch/x86/kvm/mmu.c | 8 ++++---- arch/x86/kvm/paging_tmpl.h | 5 ++--- 3 files changed, 7 insertions(+), 8 deletions(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 3cc80c478003..14524781de13 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -250,7 +250,7 @@ struct kvm_mmu { 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; diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 59104927c582..3db0cd4b13d7 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1156,7 +1156,7 @@ static void nonpaging_prefetch_page(struct kvm_vcpu *vcpu, } 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 @@ static int __kvm_sync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, 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 @@ static void kvm_sync_pages(struct kvm_vcpu *vcpu, gfn_t gfn) 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; } diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 57619ed4beee..60f00dbe327a 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -740,8 +740,7 @@ static void FNAME(prefetch_page)(struct kvm_vcpu *vcpu, * - 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 @@ static int FNAME(sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, 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; -- 2.30.2