On Wed, Feb 03, 2021 at 02:55:26PM -0800, Yu-cheng Yu wrote:
quoted hunk ↗ jump to hunk
@@ -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