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

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"))

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

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

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

On Wed, Feb 03, 2021 at 02:55:26PM -0800, Yu-cheng Yu wrote: > Introduce a software-defined X86_FEATURE_CET, which indicates either Shadow > Stack or Indirect Branch Tracking (or both) is present. Also introduce > related cpu init/setup functions. > > Signed-off-by: Yu-cheng Yu Reviewed-by:

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

Introduce a software-defined X86_FEATURE_CET, which indicates either Shadow Stack or Indirect Branch Tracking (or both) is present. Also introduce related cpu init/setup functions. Signed-off-by: Yu-cheng Yu --- arch/x86/include/asm/cpufeatures.h | 2 +-