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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-11-06 11:26:18 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-05-14 18:38:45 (GMT) |
| commit | 8a229aaf01a02352d5f19a3434634307a501ffc4 (patch) | |
| tree | 98ac6ff82dfb3e89c9f3d24d138d256ee1cea631 /arch/x86 | |
| parent | 89f9f9874685f0796628aac38ac6ce014deb856d (diff) | |
| download | linux-fsl-qoriq-8a229aaf01a02352d5f19a3434634307a501ffc4.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 92af83d..e1b7b17 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5493,6 +5493,13 @@ 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; |