Re: [PATCH v19 04/25] x86/cpufeatures: Introduce X86_FEATURE_CET and setup functions

[Yu, Yu-cheng]

On 2/5/2021 5:43 AM, Borislav Petkov wrote:
> On Wed, Feb 03, 2021 at 02:55:26PM -0800, Yu-cheng Yu wrote:
> > @@ -1252,6 +1260,13 @@ static void __init cpu_parse_early_param(void)
> >   	if (cmdline_find_option_bool(boot_command_line, "noxsaves"))
> >   		setup_clear_cpu_cap(X86_FEATURE_XSAVES);
> >   
> > +#ifdef CONFIG_X86_CET
> > +	if (cmdline_find_option_bool(boot_command_line, "no_user_shstk"))
> > +		setup_clear_cpu_cap(X86_FEATURE_SHSTK);
> > +	if (cmdline_find_option_bool(boot_command_line, "no_user_ibt"))
> > +		setup_clear_cpu_cap(X86_FEATURE_IBT);
> > +#endif
>
> Any particular need for the ifdeffery?

Right.  There is no need for that.  I will remove it.

--
Yu-cheng