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

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