Messages in this thread |  | | Date | Fri, 5 Feb 2021 14:43:05 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v19 04/25] x86/cpufeatures: Introduce X86_FEATURE_CET and setup functions |
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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?
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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