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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-11-06 11:26:18 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-02-13 22:21:01 (GMT) |
| commit | 4b76bf9ee96f552adb4e08b6570cc55c9554b0e0 (patch) | |
| tree | bb0975db5a033b0ffee15e51fa80a511d0095e80 /arch/x86 | |
| parent | 7ab9314592b41fa794a905753eeeb70e683f6477 (diff) | |
| download | linux-fsl-qoriq-4b76bf9ee96f552adb4e08b6570cc55c9554b0e0.tar.xz | |
x86-kvm-require-const-tsc-for-rt.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/x86.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 790551b..14915fe 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5522,6 +5522,13 @@ int kvm_arch_init(void *opaque) goto out; } +#ifdef CONFIG_PREEMPT_RT_FULL + if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) { + printk(KERN_ERR "RT requires X86_FEATURE_CONSTANT_TSC\n"); + return -EOPNOTSUPP; + } +#endif + r = kvm_mmu_module_init(); if (r) goto out_free_percpu; |