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authorJintack Lim <jintack@cs.columbia.edu>2017-02-03 18:20:03 +0300
committerMarc Zyngier <marc.zyngier@arm.com>2017-02-08 18:13:34 +0300
commita91d18551e7b35e34a04b6fd199ca8568e7e9315 (patch)
tree77f47ef83c6ce0d35fbaf25e993ad6f264330d5f /virt
parent009a5701bb2d166073f75643bc9237fe014c6bf5 (diff)
downloadlinux-a91d18551e7b35e34a04b6fd199ca8568e7e9315.tar.xz
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.c9
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);