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| author | Jintack Lim <jintack@cs.columbia.edu> | 2017-02-03 10:20:03 -0500 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2017-02-08 15:13:34 +0000 |
| commit | a91d18551e7b35e34a04b6fd199ca8568e7e9315 (patch) | |
| tree | 77f47ef83c6ce0d35fbaf25e993ad6f264330d5f /virt | |
| parent | 009a5701bb2d166073f75643bc9237fe014c6bf5 (diff) | |
| download | lwn-a91d18551e7b35e34a04b6fd199ca8568e7e9315.tar.gz lwn-a91d18551e7b35e34a04b6fd199ca8568e7e9315.zip | |
KVM: arm/arm64: Initialize the emulated EL1 physical timer
Initialize the emulated EL1 physical timer with the default irq number.
Signed-off-by: Jintack Lim <jintack@cs.columbia.edu>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/arm/arch_timer.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c index 5261f98ae686..dbd0af19d27e 100644 --- a/virt/kvm/arm/arch_timer.c +++ b/virt/kvm/arm/arch_timer.c @@ -327,9 +327,11 @@ void kvm_timer_sync_hwstate(struct kvm_vcpu *vcpu) } int kvm_timer_vcpu_reset(struct kvm_vcpu *vcpu, - const struct kvm_irq_level *irq) + const struct kvm_irq_level *virt_irq, + const struct kvm_irq_level *phys_irq) { struct arch_timer_context *vtimer = vcpu_vtimer(vcpu); + struct arch_timer_context *ptimer = vcpu_ptimer(vcpu); /* * The vcpu timer irq number cannot be determined in @@ -337,7 +339,8 @@ int kvm_timer_vcpu_reset(struct kvm_vcpu *vcpu, * kvm_vcpu_set_target(). To handle this, we determine * vcpu timer irq number when the vcpu is reset. */ - vtimer->irq.irq = irq->irq; + vtimer->irq.irq = virt_irq->irq; + ptimer->irq.irq = phys_irq->irq; /* * The bits in CNTV_CTL are architecturally reset to UNKNOWN for ARMv8 @@ -346,6 +349,7 @@ int kvm_timer_vcpu_reset(struct kvm_vcpu *vcpu, * the ARMv7 architecture. */ vtimer->cnt_ctl = 0; + ptimer->cnt_ctl = 0; kvm_timer_update_state(vcpu); return 0; @@ -376,6 +380,7 @@ void kvm_timer_vcpu_init(struct kvm_vcpu *vcpu) /* Synchronize cntvoff across all vtimers of a VM. */ update_vtimer_cntvoff(vcpu, kvm_phys_timer_read()); + vcpu_ptimer(vcpu)->cntvoff = 0; INIT_WORK(&timer->expired, kvm_timer_inject_irq_work); hrtimer_init(&timer->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS); |