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authorMarc Zyngier <marc.zyngier@arm.com>2013-01-23 13:21:59 -0500
committerMarc Zyngier <marc.zyngier@arm.com>2013-02-11 19:05:38 +0000
commitc7e3ba64ba16eddfbfc66ec099860f40e808e124 (patch)
tree42050cb8efe5233629efaabc3917bad4a22741c8 /arch/arm/kernel
parent53e724067a4ee9373972079e225d0d5f683b9c5a (diff)
ARM: KVM: arch_timers: Add timer world switch
Do the necessary save/restore dance for the timers in the world switch code. In the process, allow the guest to read the physical counter, which is useful for its own clock_event_device. Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/asm-offsets.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index 17cea2e78d8..5ce738b4350 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -179,6 +179,12 @@ int main(void)
DEFINE(VGIC_CPU_APR, offsetof(struct vgic_cpu, vgic_apr));
DEFINE(VGIC_CPU_LR, offsetof(struct vgic_cpu, vgic_lr));
DEFINE(VGIC_CPU_NR_LR, offsetof(struct vgic_cpu, nr_lr));
+#ifdef CONFIG_KVM_ARM_TIMER
+ DEFINE(VCPU_TIMER_CNTV_CTL, offsetof(struct kvm_vcpu, arch.timer_cpu.cntv_ctl));
+ DEFINE(VCPU_TIMER_CNTV_CVAL, offsetof(struct kvm_vcpu, arch.timer_cpu.cntv_cval));
+ DEFINE(KVM_TIMER_CNTVOFF, offsetof(struct kvm, arch.timer.cntvoff));
+ DEFINE(KVM_TIMER_ENABLED, offsetof(struct kvm, arch.timer.enabled));
+#endif
DEFINE(KVM_VGIC_VCTRL, offsetof(struct kvm, arch.vgic.vctrl_base));
#endif
DEFINE(KVM_VTTBR, offsetof(struct kvm, arch.vttbr));