diff options
| author | Sean Christopherson <seanjc@google.com> | 2021-10-08 19:12:12 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-12-08 04:24:54 -0500 |
| commit | d92a5d1c6c757f659ffb9c2c2e65fcf3d571c14e (patch) | |
| tree | d3663182b39a92132372e69e97031f17c19f08d5 /arch | |
| parent | cdafece4b964a27b2d3d76bf5725b49415bbaaea (diff) | |
| download | linux-d92a5d1c6c757f659ffb9c2c2e65fcf3d571c14e.tar.bz2 | |
KVM: Add helpers to wake/query blocking vCPU
Add helpers to wake and query a blocking vCPU. In addition to providing
nice names, the helpers reduce the probability of KVM neglecting to use
kvm_arch_vcpu_get_wait().
No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20211009021236.4122790-20-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kvm/arch_timer.c | 3 | ||||
| -rw-r--r-- | arch/arm64/kvm/arm.c | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/lapic.c | 2 |
3 files changed, 3 insertions, 4 deletions
diff --git a/arch/arm64/kvm/arch_timer.c b/arch/arm64/kvm/arch_timer.c index 3aeaa79ad4a2..6e542e2eae32 100644 --- a/arch/arm64/kvm/arch_timer.c +++ b/arch/arm64/kvm/arch_timer.c @@ -649,7 +649,6 @@ void kvm_timer_vcpu_put(struct kvm_vcpu *vcpu) { struct arch_timer_cpu *timer = vcpu_timer(vcpu); struct timer_map map; - struct rcuwait *wait = kvm_arch_vcpu_get_wait(vcpu); if (unlikely(!timer->enabled)) return; @@ -672,7 +671,7 @@ void kvm_timer_vcpu_put(struct kvm_vcpu *vcpu) if (map.emul_ptimer) soft_timer_cancel(&map.emul_ptimer->hrtimer); - if (rcuwait_active(wait)) + if (kvm_vcpu_is_blocking(vcpu)) kvm_timer_blocking(vcpu); /* diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 77ecc11d67ae..14106a7c75b5 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -631,7 +631,7 @@ void kvm_arm_resume_guest(struct kvm *kvm) kvm_for_each_vcpu(i, vcpu, kvm) { vcpu->arch.pause = false; - rcuwait_wake_up(kvm_arch_vcpu_get_wait(vcpu)); + __kvm_vcpu_wake_up(vcpu); } } diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 451e80306b51..bbac8477b3ec 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1931,7 +1931,7 @@ void kvm_lapic_expired_hv_timer(struct kvm_vcpu *vcpu) /* If the preempt notifier has already run, it also called apic_timer_expired */ if (!apic->lapic_timer.hv_timer_in_use) goto out; - WARN_ON(rcuwait_active(&vcpu->wait)); + WARN_ON(kvm_vcpu_is_blocking(vcpu)); apic_timer_expired(apic, false); cancel_hv_timer(apic); |