Re: [PATCH v2] x86/shstk: Provide kernel command line knob to disable

[Dave Hansen]

On 5/4/26 05:09, Mathias Krause wrote:
> +static int __init shstk_configure(char *str)
> +{
> +	if (!strcmp(str, "off"))
> +		setup_clear_cpu_cap(X86_FEATURE_SHSTK);
> +
> +	return 1;
> +}
> +__setup("shstk=", shstk_configure);

Is there a reason that clearcpuid=shstk doesn't work in this case? I
guess shstk and ibt are peers, but I was kinda hoping we'd stop adding
these for every single CPU feature at _some_ point.

Adding the documentation for ibt= is definitely a good idea, though.