From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Adalbert=20Laz=C4=83r?= Subject: [PATCH v9 28/84] KVM: x86: extend kvm_mmu_gva_to_gpa_system() with the 'access' parameter Date: Wed, 22 Jul 2020 00:08:26 +0300 Message-ID: <20200721210922.7646-29-alazar@bitdefender.com> References: <20200721210922.7646-1-alazar@bitdefender.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200721210922.7646-1-alazar@bitdefender.com> Sender: kvm-owner@vger.kernel.org To: kvm@vger.kernel.org Cc: virtualization@lists.linux-foundation.org, Paolo Bonzini , =?UTF-8?q?Mihai=20Don=C8=9Bu?= , =?UTF-8?q?Adalbert=20Laz=C4=83r?= List-Id: virtualization@lists.linuxfoundation.org From: Mihai Donțu This is needed for kvmi_update_ad_flags() to emulate a guest page table walk on SPT violations due to A/D bit updates. Signed-off-by: Mihai Donțu Signed-off-by: Adalbert Lazăr --- arch/x86/include/asm/kvm_host.h | 2 +- arch/x86/kvm/x86.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 487d1fa6e76d..e92a12647f4d 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1556,7 +1556,7 @@ gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva, gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva, struct x86_exception *exception); gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, - struct x86_exception *exception); + u32 access, struct x86_exception *exception); bool kvm_apicv_activated(struct kvm *kvm); void kvm_apicv_init(struct kvm *kvm, bool enable); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 5611b6cd6d19..0bfa800d0ca8 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5498,9 +5498,9 @@ gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva, /* uses this to access any guest's mapped memory without checking CPL */ gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, - struct x86_exception *exception) + u32 access, struct x86_exception *exception) { - return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, 0, exception); + return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); } static int kvm_read_guest_virt_helper(gva_t addr, void *val, unsigned int bytes, @@ -9332,7 +9332,7 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, vcpu_load(vcpu); idx = srcu_read_lock(&vcpu->kvm->srcu); - gpa = kvm_mmu_gva_to_gpa_system(vcpu, vaddr, NULL); + gpa = kvm_mmu_gva_to_gpa_system(vcpu, vaddr, 0, NULL); srcu_read_unlock(&vcpu->kvm->srcu, idx); tr->physical_address = gpa; tr->valid = gpa != UNMAPPED_GVA;