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Date:   Tue, 31 Oct 2023 15:10:38 +0100
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Subject: Re: [PATCH] x86: Let AS_WRUSS depend on X86_64
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To:     Borislav Petkov <bp@alien8.de>
Cc:     Masahiro Yamada <masahiroy@kernel.org>, peterz@infradead.org,
        linux-kernel@vger.kernel.org, Yu-cheng Yu <yu-cheng.yu@intel.com>,
        Rick Edgecombe <rick.p.edgecombe@intel.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Kees Cook <keescook@chromium.org>,
        Mike Rapoport <rppt@kernel.org>,
        Pengfei Xu <pengfei.xu@intel.com>,
        John Allen <john.allen@amd.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>, x86@kernel.org,
        linux-kbuild@vger.kernel.org
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From:   Jiri Slaby <jirislaby@kernel.org>
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On 31. 10. 23, 15:05, Borislav Petkov wrote:
> 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.

Definitely, I can add an ignore on that level.

> Because this
> doesn't sound like a reason to "fix" the upstream kernel and as Masahiro
> says, it doesn't change anything anyway.

It changes what's in .config and corresponds 1:1 to what is used during 
the build.

Now, I have a .config from "make oldconfig". But "make all" will read it 
and flips the value. (That is IMHO misleading, but I can live with that, 
provided I now know. Not sure about others though.)

thanks,
-- 
js
suse labs