linux-kernel - Re: [PATCH] runtime constants: move list of constants to vmlinux.lds.h

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Message-ID: <CAG48ez1hJg+178Z8i6Toc1dBYBF4O2jm7HNZy-a594En6AP5Ug@mail.gmail.com>
Date: Wed, 31 Jul 2024 00:00:07 +0200
From: Jann Horn <jannh@...gle.com>
To: Arnd Bergmann <arnd@...db.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>, 
	Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
	Heiko Carstens <hca@...ux.ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>, 
	Alexander Gordeev <agordeev@...ux.ibm.com>, Christian Borntraeger <borntraeger@...ux.ibm.com>, 
	Sven Schnelle <svens@...ux.ibm.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, 
	Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, 
	"H. Peter Anvin" <hpa@...or.com>, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org, 
	Linux-Arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH] runtime constants: move list of constants to vmlinux.lds.h

On Tue, Jul 30, 2024 at 11:29 PM Arnd Bergmann <arnd@...db.de> wrote:
> On Tue, Jul 30, 2024, at 22:15, Jann Horn wrote:
> > Refactor the list of constant variables into a macro.
> > This should make it easier to add more constants in the future.
> >
> > Signed-off-by: Jann Horn <jannh@...gle.com>
> > ---
> > I'm not sure whose tree this has to go through - I guess Arnd's?
>
> This is for 6.12, right?

Yeah.

> I can take it through the asm-generic
> tree if that helps, but someone else should review it first.
>
> If you have any other patches that would depend on this patch,
> you can also take it through the other tree and add
>
> Acked-by: Arnd Bergmann <arnd@...db.de>
>
> for cross-architecture bits.

Thanks!

I was thinking of maybe trying to write a patch based on it that'd
have to go through the MM tree (for using this in kfence), though I'm
not sure whether I'll actually do that yet. So your suggestion makes
sense, maybe hold off on putting this in a tree for now...

>
>     Arnd