[PATCH v12 20/77] KVM: x86: extend kvm_mmu_gva_to_gpa_system() with the 'access' parameter
From: Adalbert Lazăr <hidden>
Date: 2021-10-06 17:41:03
Also in:
kvm
Subsystem:
kernel virtual machine for x86 (kvm/x86), the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Sean Christopherson, Paolo Bonzini, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
From: Mihai Donțu <redacted> 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 <redacted> Signed-off-by: Adalbert Lazăr <redacted> --- 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 dfc52e451f9b..49734fea7c4f 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h@@ -1788,7 +1788,7 @@ 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_vcpu_update_apicv(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9fe3b53fd1e3..de0fc15ab7cb 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c@@ -6367,9 +6367,9 @@ EXPORT_SYMBOL_GPL(kvm_mmu_gva_to_gpa_write); /* 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,
@@ -10544,7 +10544,7 @@ 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;
_______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization