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| author | Marcelo Tosatti | 2014-01-06 15:00:02 +0100 |
|---|---|---|
| committer | Paolo Bonzini | 2014-01-15 12:43:54 +0100 |
| commit | 9ed96e87c5748de4c2807ef17e81287c7304186c (patch) | |
| tree | e16371f8aedac885b770d1db402b03847f519b8e /arch/x86/kvm/x86.c | |
| parent | KVM: x86: handle invalid root_hpa everywhere (diff) | |
| download | kernel-qcow2-linux-9ed96e87c5748de4c2807ef17e81287c7304186c.tar.gz kernel-qcow2-linux-9ed96e87c5748de4c2807ef17e81287c7304186c.tar.xz kernel-qcow2-linux-9ed96e87c5748de4c2807ef17e81287c7304186c.zip | |
KVM: x86: limit PIT timer frequency
Limit PIT timer frequency similarly to the limit applied by
LAPIC timer.
Cc: stable@kernel.org
Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 1dc0359e2095..0fd2bd78fccf 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -94,6 +94,9 @@ EXPORT_SYMBOL_GPL(kvm_x86_ops); static bool ignore_msrs = 0; module_param(ignore_msrs, bool, S_IRUGO | S_IWUSR); +unsigned int min_timer_period_us = 500; +module_param(min_timer_period_us, uint, S_IRUGO | S_IWUSR); + bool kvm_has_tsc_control; EXPORT_SYMBOL_GPL(kvm_has_tsc_control); u32 kvm_max_guest_tsc_khz; |