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Diffstat (limited to 'arch/ia64/kvm/kvm-ia64.c')
-rw-r--r--arch/ia64/kvm/kvm-ia64.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 14a3fabc7d6..ebbd995194f 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -68,6 +68,16 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
{ NULL }
};
+static unsigned long kvm_get_itc(struct kvm_vcpu *vcpu)
+{
+#if defined(CONFIG_IA64_SGI_SN2) || defined(CONFIG_IA64_GENERIC)
+ if (vcpu->kvm->arch.is_sn2)
+ return rtc_time();
+ else
+#endif
+ return ia64_getreg(_IA64_REG_AR_ITC);
+}
+
static void kvm_flush_icache(unsigned long start, unsigned long len)
{
int l;
@@ -457,7 +467,7 @@ int kvm_emulate_halt(struct kvm_vcpu *vcpu)
if (irqchip_in_kernel(vcpu->kvm)) {
- vcpu_now_itc = ia64_getreg(_IA64_REG_AR_ITC) + vcpu->arch.itc_offset;
+ vcpu_now_itc = kvm_get_itc(vcpu) + vcpu->arch.itc_offset;
if (time_after(vcpu_now_itc, vpd->itm)) {
vcpu->arch.timer_check = 1;
@@ -929,7 +939,7 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
RESTORE_REGS(saved_gp);
vcpu->arch.irq_new_pending = 1;
- vcpu->arch.itc_offset = regs->saved_itc - ia64_getreg(_IA64_REG_AR_ITC);
+ vcpu->arch.itc_offset = regs->saved_itc - kvm_get_itc(vcpu);
set_bit(KVM_REQ_RESUME, &vcpu->requests);
vcpu_put(vcpu);
@@ -1210,7 +1220,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
regs->cr_iip = PALE_RESET_ENTRY;
/*Initialize itc offset for vcpus*/
- itc_offset = 0UL - ia64_getreg(_IA64_REG_AR_ITC);
+ itc_offset = 0UL - kvm_get_itc(vcpu);
for (i = 0; i < kvm->arch.online_vcpus; i++) {
v = (struct kvm_vcpu *)((char *)vcpu +
sizeof(struct kvm_vcpu_data) * i);
@@ -1472,7 +1482,7 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
}
for (i = 0; i < 4; i++)
regs->insvc[i] = vcpu->arch.insvc[i];
- regs->saved_itc = vcpu->arch.itc_offset + ia64_getreg(_IA64_REG_AR_ITC);
+ regs->saved_itc = vcpu->arch.itc_offset + kvm_get_itc(vcpu);
SAVE_REGS(xtp);
SAVE_REGS(metaphysical_rr0);
SAVE_REGS(metaphysical_rr4);