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Date: Tue, 12 Jan 2021 15:02:06 -0800 From: "Yu, Yu-cheng" <yu-cheng.yu@...el.com> To: Borislav Petkov <bp@...en8.de> Cc: x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, linux-mm@...ck.org, linux-arch@...r.kernel.org, linux-api@...r.kernel.org, Arnd Bergmann <arnd@...db.de>, Andy Lutomirski <luto@...nel.org>, Balbir Singh <bsingharora@...il.com>, Cyrill Gorcunov <gorcunov@...il.com>, Dave Hansen <dave.hansen@...ux.intel.com>, Eugene Syromiatnikov <esyr@...hat.com>, Florian Weimer <fweimer@...hat.com>, "H.J. Lu" <hjl.tools@...il.com>, Jann Horn <jannh@...gle.com>, Jonathan Corbet <corbet@....net>, Kees Cook <keescook@...omium.org>, Mike Kravetz <mike.kravetz@...cle.com>, Nadav Amit <nadav.amit@...il.com>, Oleg Nesterov <oleg@...hat.com>, Pavel Machek <pavel@....cz>, Peter Zijlstra <peterz@...radead.org>, Randy Dunlap <rdunlap@...radead.org>, "Ravi V. Shankar" <ravi.v.shankar@...el.com>, Vedvyas Shanbhogue <vedvyas.shanbhogue@...el.com>, Dave Martin <Dave.Martin@....com>, Weijiang Yang <weijiang.yang@...el.com>, Pengfei Xu <pengfei.xu@...el.com> Subject: Re: [PATCH v17 04/26] x86/cpufeatures: Introduce X86_FEATURE_CET and setup functions On 1/12/2021 4:38 AM, Borislav Petkov wrote: > On Mon, Jan 11, 2021 at 03:09:00PM -0800, Yu-cheng Yu wrote: >> @@ -1252,6 +1260,16 @@ static void __init cpu_parse_early_param(void) >> if (cmdline_find_option_bool(boot_command_line, "noxsaves")) >> setup_clear_cpu_cap(X86_FEATURE_XSAVES); >> >> + /* >> + * CET states are XSAVES states and options must be parsed early. >> + */ > > That comment is redundant - look at the containing function's name. > > Otherwise patch looks just as it should. > > Thx. > Should I send an updated patch? Thanks! -- Yu-cheng
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