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
