linux-kernel - Re: [PATCH] x86: Let AS_WRUSS depend on X86

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Message-ID: <20231031140504.GCZUEJkMPXSrEDh3MA@fat_crate.local>
Date:   Tue, 31 Oct 2023 15:05:04 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Jiri Slaby <jirislaby@...nel.org>
Cc:     Masahiro Yamada <masahiroy@...nel.org>, peterz@...radead.org,
        linux-kernel@...r.kernel.org, Yu-cheng Yu <yu-cheng.yu@...el.com>,
        Rick Edgecombe <rick.p.edgecombe@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Kees Cook <keescook@...omium.org>,
        Mike Rapoport <rppt@...nel.org>,
        Pengfei Xu <pengfei.xu@...el.com>,
        John Allen <john.allen@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kbuild@...r.kernel.org
Subject: Re: [PATCH] x86: Let AS_WRUSS depend on X86_64

On Tue, Oct 31, 2023 at 02:59:39PM +0100, Jiri Slaby wrote:
> As I wrote, we have a config which maintainers feed through oldconfig when
> updating the kernel. This time we got WRUSS=y. It was stored in git and
> later passed to build the kernel. And we received a different config from
> the build (WRUSS=n).
> 
> We diff the two and error out if the built kernel differs from the passed
> configuration. Which is the case here.

I sure hope that diffing script can ignore Kconfig items. Because this
doesn't sound like a reason to "fix" the upstream kernel and as Masahiro
says, it doesn't change anything anyway.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette