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Message-ID: <CAK7LNAT+U=FM=vS4jSPG1Jfn7e0sD8AgSvjGqTVK0s27t0soBA@mail.gmail.com>
Date: Sat, 15 Mar 2025 21:02:00 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: Borislav Petkov <bp@...en8.de>
Cc: Thomas Weißschuh <linux@...ssschuh.net>, 
	Nathan Chancellor <nathan@...nel.org>, Nicolas Schier <nicolas@...sle.eu>, Jonathan Corbet <corbet@....net>, 
	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, 
	"H. Peter Anvin" <hpa@...or.com>, Ben Hutchings <ben@...adent.org.uk>, linux-kbuild@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH 0/4] kbuild: make all file references relative to source root

On Sat, Mar 15, 2025 at 8:34 PM Borislav Petkov <bp@...en8.de> wrote:
>
> On Thu, Mar 13, 2025 at 04:59:08PM +0100, Thomas Weißschuh wrote:
> > -fmacro-prefix-map only affects __FILE__ and __BASE_FILE__.
> > Other references, for example in debug information, is not affected.
> > This makes handling of file references in the compiler output harder to
> > use and creates problems for reproducible builds.
> >
> > Switch to -ffile-prefix map which affects all references.
> >
> > Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
> > ---
> > Thomas Weißschuh (4):
> >       kbuild: make all file references relative to source root
> >       kbuild: doc: reproducible-builds: drop section "Absolute filenames"
> >       x86/boot: Switch to -ffile-prefix-map
> >       x86/boot/compressed: Switch to -ffile-prefix-map
>
> Btw, I don't see why those are 4 patches - it is a single logical change that
> converts to this new compiler switch.
>
> So why are they 4?

Good point.

>
> Masahiro, might as well merge them into one...

I'd like Thomas to submit a single patch.




--
Best Regards
Masahiro Yamada

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