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2023-11-24 2b26ab132d1b33b91c84c6d732456200e8c5ee77

 kernel/arch/x86/kvm/x86.c
.. .. @@ -6875,6 +6875,13 @@
6875 6875  		goto out;
6876 6876  	}
6877 6877  
6878 +#ifdef CONFIG_PREEMPT_RT_FULL
6879 +	if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) {
6880 +		printk(KERN_ERR "RT requires X86_FEATURE_CONSTANT_TSC\n");
6881 +		return -EOPNOTSUPP;
6882 +	}
6883 +#endif
6884 +
6878 6885  	r = kvm_mmu_module_init();
6879 6886  	if (r)
6880 6887  		goto out_free_percpu;

..	..	@@ -6875,6 +6875,13 @@
6875	6875	goto out;
6876	6876	}
6877	6877
	6878	+#ifdef CONFIG_PREEMPT_RT_FULL
	6879	+ if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) {
	6880	+ printk(KERN_ERR "RT requires X86_FEATURE_CONSTANT_TSC\n");
	6881	+ return -EOPNOTSUPP;
	6882	+ }
	6883	+#endif
	6884	+
6878	6885	r = kvm_mmu_module_init();
6879	6886	if (r)
6880	6887	goto out_free_percpu;