Re: [RFC PATCH -v2.1] x86: Kill notsc

[Thomas Gleixner]

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/