[v3,08/11] KVM: SVM: Remove set_cr_intercept, clr_cr_intercept and is_cr_intercept

Commit Message

Babu Moger July 28, 2020, 11:38 p.m. UTC

Remove set_cr_intercept, clr_cr_intercept and is_cr_intercept. Instead
call generic set_intercept, clr_intercept and is_intercept for all
cr intercepts.

Signed-off-by: Babu Moger <[e-mail]>
---
 arch/x86/kvm/svm/svm.c |   34 +++++++++++++++++-----------------
 arch/x86/kvm/svm/svm.h |   25 -------------------------
 2 files changed, 17 insertions(+), 42 deletions(-)

Comments

Jim Mattson July 29, 2020, 12:01 a.m. UTC | #1

On Tue, Jul 28, 2020 at 4:38 PM Babu Moger <[e-mail]> wrote:
>
> Remove set_cr_intercept, clr_cr_intercept and is_cr_intercept. Instead
> call generic set_intercept, clr_intercept and is_intercept for all
> cr intercepts.
>
> Signed-off-by: Babu Moger <[e-mail]>
Reviewed-by: Jim Mattson <[e-mail]>

Patch

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 1db783435a8a..32037ed622a7 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -977,14 +977,14 @@  static void init_vmcb(struct vcpu_svm *svm)
 
 	svm->vcpu.arch.hflags = 0;
 
-	set_cr_intercept(svm, INTERCEPT_CR0_READ);
-	set_cr_intercept(svm, INTERCEPT_CR3_READ);
-	set_cr_intercept(svm, INTERCEPT_CR4_READ);
-	set_cr_intercept(svm, INTERCEPT_CR0_WRITE);
-	set_cr_intercept(svm, INTERCEPT_CR3_WRITE);
-	set_cr_intercept(svm, INTERCEPT_CR4_WRITE);
+	set_intercept(svm, INTERCEPT_CR0_READ);
+	set_intercept(svm, INTERCEPT_CR3_READ);
+	set_intercept(svm, INTERCEPT_CR4_READ);
+	set_intercept(svm, INTERCEPT_CR0_WRITE);
+	set_intercept(svm, INTERCEPT_CR3_WRITE);
+	set_intercept(svm, INTERCEPT_CR4_WRITE);
 	if (!kvm_vcpu_apicv_active(&svm->vcpu))
-		set_cr_intercept(svm, INTERCEPT_CR8_WRITE);
+		set_intercept(svm, INTERCEPT_CR8_WRITE);
 
 	set_dr_intercepts(svm);
 
@@ -1079,8 +1079,8 @@  static void init_vmcb(struct vcpu_svm *svm)
 		control->nested_ctl |= SVM_NESTED_CTL_NP_ENABLE;
 		clr_intercept(svm, INTERCEPT_INVLPG);
 		clr_exception_intercept(svm, INTERCEPT_PF_VECTOR);
-		clr_cr_intercept(svm, INTERCEPT_CR3_READ);
-		clr_cr_intercept(svm, INTERCEPT_CR3_WRITE);
+		clr_intercept(svm, INTERCEPT_CR3_READ);
+		clr_intercept(svm, INTERCEPT_CR3_WRITE);
 		save->g_pat = svm->vcpu.arch.pat;
 		save->cr3 = 0;
 		save->cr4 = 0;
@@ -1534,11 +1534,11 @@  static void update_cr0_intercept(struct vcpu_svm *svm)
 	mark_dirty(svm->vmcb, VMCB_CR);
 
 	if (gcr0 == *hcr0) {
-		clr_cr_intercept(svm, INTERCEPT_CR0_READ);
-		clr_cr_intercept(svm, INTERCEPT_CR0_WRITE);
+		clr_intercept(svm, INTERCEPT_CR0_READ);
+		clr_intercept(svm, INTERCEPT_CR0_WRITE);
 	} else {
-		set_cr_intercept(svm, INTERCEPT_CR0_READ);
-		set_cr_intercept(svm, INTERCEPT_CR0_WRITE);
+		set_intercept(svm, INTERCEPT_CR0_READ);
+		set_intercept(svm, INTERCEPT_CR0_WRITE);
 	}
 }
 
@@ -2916,7 +2916,7 @@  static int handle_exit(struct kvm_vcpu *vcpu, fastpath_t exit_fastpath)
 
 	trace_kvm_exit(exit_code, vcpu, KVM_ISA_SVM);
 
-	if (!is_cr_intercept(svm, INTERCEPT_CR0_WRITE))
+	if (!is_intercept(svm, INTERCEPT_CR0_WRITE))
 		vcpu->arch.cr0 = svm->vmcb->save.cr0;
 	if (npt_enabled)
 		vcpu->arch.cr3 = svm->vmcb->save.cr3;
@@ -3042,13 +3042,13 @@  static void update_cr8_intercept(struct kvm_vcpu *vcpu, int tpr, int irr)
 	if (svm_nested_virtualize_tpr(vcpu))
 		return;
 
-	clr_cr_intercept(svm, INTERCEPT_CR8_WRITE);
+	clr_intercept(svm, INTERCEPT_CR8_WRITE);
 
 	if (irr == -1)
 		return;
 
 	if (tpr >= irr)
-		set_cr_intercept(svm, INTERCEPT_CR8_WRITE);
+		set_intercept(svm, INTERCEPT_CR8_WRITE);
 }
 
 bool svm_nmi_blocked(struct kvm_vcpu *vcpu)
@@ -3236,7 +3236,7 @@  static inline void sync_cr8_to_lapic(struct kvm_vcpu *vcpu)
 	if (svm_nested_virtualize_tpr(vcpu))
 		return;
 
-	if (!is_cr_intercept(svm, INTERCEPT_CR8_WRITE)) {
+	if (!is_intercept(svm, INTERCEPT_CR8_WRITE)) {
 		int cr8 = svm->vmcb->control.int_ctl & V_TPR_MASK;
 		kvm_set_cr8(vcpu, cr8);
 	}
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 450d7b196efd..c7fbce738337 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -231,31 +231,6 @@  static inline bool __is_intercept(void *addr, int bit)
 	return test_bit(bit, (unsigned long *)addr);
 }
 
-static inline void set_cr_intercept(struct vcpu_svm *svm, int bit)
-{
-	struct vmcb *vmcb = get_host_vmcb(svm);
-
-	__set_intercept(&vmcb->control.intercepts, bit);
-
-	recalc_intercepts(svm);
-}
-
-static inline void clr_cr_intercept(struct vcpu_svm *svm, int bit)
-{
-	struct vmcb *vmcb = get_host_vmcb(svm);
-
-	__clr_intercept(&vmcb->control.intercepts, bit);
-
-	recalc_intercepts(svm);
-}
-
-static inline bool is_cr_intercept(struct vcpu_svm *svm, int bit)
-{
-	struct vmcb *vmcb = get_host_vmcb(svm);
-
-	return __is_intercept(&vmcb->control.intercepts, bit);
-}
-
 static inline void set_dr_intercepts(struct vcpu_svm *svm)
 {
 	struct vmcb *vmcb = get_host_vmcb(svm);