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| author | Liu, Jinsong <jinsong.liu@intel.com> | 2011-09-22 16:55:52 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-10-05 15:34:56 +0200 |
| commit | a3e06bbe8445f57eb949e6474c5a9b30f24d2057 (patch) | |
| tree | fc6f43d1c4424a5bdab1e39fe1e29e8b3ca47ae3 /arch/x86/kvm/kvm_timer.h | |
| parent | b90dfb0419a79a90395e04fee3fbda3c12ba8237 (diff) | |
| download | op-kernel-dev-a3e06bbe8445f57eb949e6474c5a9b30f24d2057.zip op-kernel-dev-a3e06bbe8445f57eb949e6474c5a9b30f24d2057.tar.gz | |
KVM: emulate lapic tsc deadline timer for guest
This patch emulate lapic tsc deadline timer for guest:
Enumerate tsc deadline timer capability by CPUID;
Enable tsc deadline timer mode by lapic MMIO;
Start tsc deadline timer by WRMSR;
[jan: use do_div()]
[avi: fix for !irqchip_in_kernel()]
[marcelo: another fix for !irqchip_in_kernel()]
Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/kvm_timer.h')
| -rw-r--r-- | arch/x86/kvm/kvm_timer.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/kvm_timer.h b/arch/x86/kvm/kvm_timer.h index 64bc6ea..497dbaa 100644 --- a/arch/x86/kvm/kvm_timer.h +++ b/arch/x86/kvm/kvm_timer.h @@ -2,6 +2,8 @@ struct kvm_timer { struct hrtimer timer; s64 period; /* unit: ns */ + u32 timer_mode_mask; + u64 tscdeadline; atomic_t pending; /* accumulated triggered timers */ bool reinject; struct kvm_timer_ops *t_ops; |
