On Mon, 16 Nov 2015, Borislav Petkov wrote:
> -/*
> - * disable flag for tsc. Takes effect by clearing the TSC cpu flag
> - * in cpu/common.c
> - */
> -int __init notsc_setup(char *str)
> +/* Disable the TSC feature flag to avoid further TSC use. */
> +int __init notsc_setup(void)
> {
> +#ifndef CONFIG_X86_TSC
> setup_clear_cpu_cap(X86_FEATURE_TSC);
This is silly, really.
If CONFIG_X86_TSC is disabled then we should just not compile tsc.c at
all and map cpu_has_tsc and stuff depending on it to false.
Thanks,
tglx
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