linux-kernel - Re: [PATCH v8 02/27] x86/cpufeatures: Add CET CPU feature flags for Control-flow Enforcement Technology (CET)

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Date:   Wed, 21 Aug 2019 07:46:32 -0700
From:   Yu-cheng Yu <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@...capital.net>,
        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>
Subject: Re: [PATCH v8 02/27] x86/cpufeatures: Add CET CPU feature flags for
 Control-flow Enforcement Technology (CET)

On Wed, 2019-08-21 at 12:20 +0200, Borislav Petkov wrote:
> On Tue, Aug 13, 2019 at 01:52:00PM -0700, Yu-cheng Yu wrote:
> > Add CPU feature flags for Control-flow Enforcement Technology (CET).
> > 
> > [...]
> > diff --git a/arch/x86/kernel/cpu/cpuid-deps.c b/arch/x86/kernel/cpu/cpuid-
> > deps.c
> > index b5353244749b..9bf35f081080 100644
> > --- a/arch/x86/kernel/cpu/cpuid-deps.c
> > +++ b/arch/x86/kernel/cpu/cpuid-deps.c
> > @@ -68,6 +68,8 @@ static const struct cpuid_dep cpuid_deps[] = {
> >  	{ X86_FEATURE_CQM_MBM_TOTAL,	X86_FEATURE_CQM_LLC   },
> >  	{ X86_FEATURE_CQM_MBM_LOCAL,	X86_FEATURE_CQM_LLC   },
> >  	{ X86_FEATURE_AVX512_BF16,	X86_FEATURE_AVX512VL  },
> > +	{ X86_FEATURE_SHSTK,		X86_FEATURE_XSAVES    },
> > +	{ X86_FEATURE_IBT,		X86_FEATURE_XSAVES    },
> 
> This hunk needs re-tabbing after:
> 
> 1e0c08e3034d ("cpu/cpuid-deps: Add a tab to cpuid dependent features")

Thanks, I will fix it.

Yu-cheng