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

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Message-ID: <CAG48ez2vzhYcgt2dtZLx0j6eK92xEHwjFfowg57fAuhQ-0_zCg@mail.gmail.com>
Date: Fri, 9 Aug 2024 16:17:16 +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 Wed, Jul 31, 2024 at 12:00 AM Jann Horn <jannh@...gle.com> wrote:
> 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...

I don't think I'll get around to doing anything on top of this patch
for the next few months at least, please take it through your tree.