linux-kernel - Re: [GIT PULL] MM updates for 6.14-rc1

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Message-ID: <CAFULd4ZVz=eeh=eE9-hKQN_-430WRSsjbtO1ge_qji5PPcHndQ@mail.gmail.com>
Date: Sun, 26 Jan 2025 13:10:12 +0100
From: Uros Bizjak <ubizjak@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>, linux-mm@...ck.org, 
	mm-commits@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Stephen Rothwell <sfr@...b.auug.org.au>, Dan Carpenter <dan.carpenter@...aro.org>, 
	Anders Roxell <anders.roxell@...aro.org>, Naresh Kamboju <naresh.kamboju@...aro.org>
Subject: Re: [GIT PULL] MM updates for 6.14-rc1

On Sun, Jan 26, 2025 at 6:00 AM Andrew Morton <akpm@...ux-foundation.org> wrote:
>
> On Sat, 25 Jan 2025 14:09:16 -0800 Linus Torvalds <torvalds@...ux-foundation.org> wrote:
>
> > On Fri, 24 Jan 2025 at 16:22, Andrew Morton <akpm@...ux-foundation.org> wrote:
> > >
> > > Linus, please merge the MM updates for the 6.14 development cycle,
> >
> > This does not build at all for me.
> >
> > I get
> >
> >     ./arch/x86/include/asm/current.h:49:9: error: call to undeclared
> > function '__typeof_unqual__'; ISO C99 and later do not support
> > implicit function declarations [-Wimplicit-function-declaration]
> >
> > when running the Rust 'bindgen', and what seems to be going on is that
> > my version of *gcc* does support __typeof_unqual__, so I end up with
> >
> >     CONFIG_CC_HAS_TYPEOF_UNQUAL=y
> >
> > in my kernel config, but I think that 'bindgen' that generates the
> > Rust bindings is based on LLVM, and clearly does not understand
> > __typeof_unqual__.
> >
> > I have bindgen 0.69.5 (plain F40 install), in case somebody wants to test.
> >
> > Apparently few people test linux-next with Rust enabled, and the
> > reports that I find on lkml were ignored.
> >
> > I do see reports of this failure on lkml from mid-December, so it's
> > not like I'm the first person ever to see this.
> >
>
> Well dang, nobody told me, and I assume Stephen didn't find out.
>
> Guys, if tree owners are carrying bad patches, please do give them a
> heads-up!
>
> > Anyway, pulled and then unpulled again.
>
> OK, I've dropped Uroz's series "Enable strict percpu address space
> checks", shall resend the pull request soon.

Patch 1/6 "x86/kgdb: Use IS_ERR_PCPU() macro" is required for the rest
of the series, but can be committed as an independent improvement..

Uros.