[PATCH 22/30] KVM: nSVM: remove HF_VINTR_MASK

[Paolo Bonzini]

Now that the int_ctl field is stored in svm->nested.ctl.int_ctl, we can
use it instead of vcpu->arch.hflags to check whether L2 is running
in V_INTR_MASKING mode.

Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
 arch/x86/include/asm/kvm_host.h | 1 -
 arch/x86/kvm/svm/nested.c       | 6 +-----
 arch/x86/kvm/svm/svm.c          | 2 +-
 arch/x86/kvm/svm/svm.h          | 4 +++-
 4 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index e6f2e1a2dab6..0dfc522f96cc 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1596,7 +1596,6 @@ enum {
 
 #define HF_GIF_MASK            (1 << 0)
 #define HF_HIF_MASK            (1 << 1)
-#define HF_VINTR_MASK          (1 << 2)
 #define HF_NMI_MASK            (1 << 3)
 #define HF_IRET_MASK           (1 << 4)
 #define HF_GUEST_MASK          (1 << 5) /* VCPU is in guest-mode */
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index c3c04fef11df..6967fe884eaf 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -118,7 +118,7 @@ void recalc_intercepts(struct vcpu_svm *svm)
        c->intercept_exceptions = h->intercept_exceptions;
        c->intercept = h->intercept;
 
-       if (svm->vcpu.arch.hflags & HF_VINTR_MASK) {
+       if (g->int_ctl & V_INTR_MASKING_MASK) {
                /* We only want the cr8 intercept bits of L1 */
                c->intercept_cr &= ~(1U << INTERCEPT_CR8_READ);
                c->intercept_cr &= ~(1U << INTERCEPT_CR8_WRITE);
@@ -338,10 +338,6 @@ static void nested_prepare_vmcb_control(struct vcpu_svm 
*svm)
        kvm_mmu_reset_context(&svm->vcpu);
 
        svm_flush_tlb(&svm->vcpu);
-       if (svm->nested.ctl.int_ctl & V_INTR_MASKING_MASK)
-               svm->vcpu.arch.hflags |= HF_VINTR_MASK;
-       else
-               svm->vcpu.arch.hflags &= ~HF_VINTR_MASK;
 
        svm->vmcb->control.tsc_offset = svm->vcpu.arch.tsc_offset =
                svm->vcpu.arch.l1_tsc_offset + svm->nested.ctl.tsc_offset;
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 422b1cc62a20..6867dba4f736 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -3104,7 +3104,7 @@ bool svm_interrupt_blocked(struct kvm_vcpu *vcpu)
 
        if (is_guest_mode(vcpu)) {
                /* As long as interrupts are being delivered...  */
-               if ((svm->vcpu.arch.hflags & HF_VINTR_MASK)
+               if ((svm->nested.ctl.int_ctl & V_INTR_MASKING_MASK)
                    ? !(svm->vcpu.arch.hflags & HF_HIF_MASK)
                    : !(kvm_get_rflags(vcpu) & X86_EFLAGS_IF))
                        return true;
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 10b7b55720a0..be8e830f83fa 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -367,7 +367,9 @@ void svm_set_gif(struct vcpu_svm *svm, bool value);
 
 static inline bool svm_nested_virtualize_tpr(struct kvm_vcpu *vcpu)
 {
-       return is_guest_mode(vcpu) && (vcpu->arch.hflags & HF_VINTR_MASK);
+       struct vcpu_svm *svm = to_svm(vcpu);
+
+       return is_guest_mode(vcpu) && (svm->nested.ctl.int_ctl & 
V_INTR_MASKING_MASK);
 }
 
 static inline bool nested_exit_on_smi(struct vcpu_svm *svm)
-- 
2.26.2