linux-kernel - Re: [PATCH v2 01/39] Documentation/x86: Add CET description

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Date:   Fri, 30 Sep 2022 07:33:11 -0600
From:   Jonathan Corbet <corbet@....net>
To:     Bagas Sanjaya <bagasdotme@...il.com>,
        Rick Edgecombe <rick.p.edgecombe@...el.com>
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>,
        Borislav Petkov <bp@...en8.de>,
        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>,
        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>,
        Weijiang Yang <weijiang.yang@...el.com>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        joao.moreira@...el.com, John Allen <john.allen@....com>,
        kcc@...gle.com, eranian@...gle.com, rppt@...nel.org,
        jamorris@...ux.microsoft.com, dethoma@...rosoft.com,
        Yu-cheng Yu <yu-cheng.yu@...el.com>
Subject: Re: [PATCH v2 01/39] Documentation/x86: Add CET description

Bagas Sanjaya <bagasdotme@...il.com> writes:

> The documentation above can be improved (both grammar and formatting):
>
> ---- >8 ----
>
> diff --git a/Documentation/x86/cet.rst b/Documentation/x86/cet.rst
> index 6b270a24ebc3a2..f691f7995cf088 100644
> --- a/Documentation/x86/cet.rst
> +++ b/Documentation/x86/cet.rst
> @@ -15,92 +15,101 @@ in the 64-bit kernel.
>  
>  CET introduces Shadow Stack and Indirect Branch Tracking. Shadow stack is
>  a secondary stack allocated from memory and cannot be directly modified by
> -applications. When executing a CALL instruction, the processor pushes the
> +applications. When executing a ``CALL`` instruction, the processor pushes the

Just to be clear, not everybody is fond of sprinkling lots of ``literal
text`` throughout the documentation in this way.  Heavy use of it will
certainly clutter the plain-text file and can be a net negative overall.

Thanks,

jon