diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-12 16:53:38 +1000 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-12 16:53:38 +1000 |
commit | bc47ab0241c7c86da4f5e5f82fbca7d45387c18d (patch) | |
tree | b9c33ae8b6de43e44cc5fcbaa3e4a15f18a5ed42 /arch/ia64/kvm/vcpu.c | |
parent | 37f9ef553bed630957e025504cdcbc76f5de49d5 (diff) | |
parent | 8ebf975608aaebd7feb33d77f07ba21a6380e086 (diff) |
Merge commit 'origin/master' into next
Manual merge of:
arch/powerpc/kernel/asm-offsets.c
Diffstat (limited to 'arch/ia64/kvm/vcpu.c')
-rw-r--r-- | arch/ia64/kvm/vcpu.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/arch/ia64/kvm/vcpu.c b/arch/ia64/kvm/vcpu.c index a18ee17b919..a2c6c15e476 100644 --- a/arch/ia64/kvm/vcpu.c +++ b/arch/ia64/kvm/vcpu.c @@ -788,13 +788,29 @@ void vcpu_set_fpreg(struct kvm_vcpu *vcpu, unsigned long reg, setfpreg(reg, val, regs); /* FIXME: handle NATs later*/ } +/* + * The Altix RTC is mapped specially here for the vmm module + */ +#define SN_RTC_BASE (u64 *)(KVM_VMM_BASE+(1UL<<KVM_VMM_SHIFT)) +static long kvm_get_itc(struct kvm_vcpu *vcpu) +{ +#if defined(CONFIG_IA64_SGI_SN2) || defined(CONFIG_IA64_GENERIC) + struct kvm *kvm = (struct kvm *)KVM_VM_BASE; + + if (kvm->arch.is_sn2) + return (*SN_RTC_BASE); + else +#endif + return ia64_getreg(_IA64_REG_AR_ITC); +} + /************************************************************************ * lsapic timer ***********************************************************************/ u64 vcpu_get_itc(struct kvm_vcpu *vcpu) { unsigned long guest_itc; - guest_itc = VMX(vcpu, itc_offset) + ia64_getreg(_IA64_REG_AR_ITC); + guest_itc = VMX(vcpu, itc_offset) + kvm_get_itc(vcpu); if (guest_itc >= VMX(vcpu, last_itc)) { VMX(vcpu, last_itc) = guest_itc; @@ -809,7 +825,7 @@ static void vcpu_set_itc(struct kvm_vcpu *vcpu, u64 val) struct kvm_vcpu *v; struct kvm *kvm; int i; - long itc_offset = val - ia64_getreg(_IA64_REG_AR_ITC); + long itc_offset = val - kvm_get_itc(vcpu); unsigned long vitv = VCPU(vcpu, itv); kvm = (struct kvm *)KVM_VM_BASE; |