diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2011-11-06 11:26:18 (GMT) |
---|---|---|
committer | Scott Wood <scottwood@freescale.com> | 2014-04-10 00:19:56 (GMT) |
commit | 9cb4b7cab799dd807d86e701bc6d6a6185fac4b6 (patch) | |
tree | 111ed52c9fb15e7cf63c05d06a0cdecf017a5aaf /arch/x86/kvm | |
parent | 27659d80405cf939d803186eae2d91f286cc75d2 (diff) | |
download | linux-fsl-qoriq-9cb4b7cab799dd807d86e701bc6d6a6185fac4b6.tar.xz |
x86-kvm-require-const-tsc-for-rt.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kvm')
-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; |