linux-kernel - Re: Linux 4.14.297

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Date:   Tue, 8 Nov 2022 09:12:37 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
        torvalds@...ux-foundation.org, stable@...r.kernel.org, lwn@....net,
        jslaby@...e.cz
Subject: Re: Linux 4.14.297

On Mon, Nov 07, 2022 at 10:38:51AM -0800, Nick Desaulniers wrote:
> On Sat, Nov 5, 2022 at 2:57 AM Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
> >
> > On Fri, Nov 04, 2022 at 11:17:45AM -0700, Nick Desaulniers wrote:
> > > On Tue, Nov 01, 2022 at 07:24:13PM +0100, Greg Kroah-Hartman wrote:
> > > > I'm announcing the release of the 4.14.297 kernel.
> > > >
> > > > All users of the 4.14 kernel series must upgrade.
> > > >
> > > > The updated 4.14.y git tree can be found at:
> > > >     git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.14.y
> > > > and can be browsed at the normal kernel.org git web browser:
> > > >     https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary
> > >
> > > Hi Greg and stable tree maintainers,
> > > Please consider cherry-picking
> > > commit 95b980d62d52 ("linux/bits.h: make BIT(), GENMASK(), and friends available in assembly")
> > > back to 4.19.y and 4.14.y. It first landed in v5.3-rc1 and applies
> > > cleanly to both branches. I did not find any fixups to 95b980d62d52,
> > > FWIW.
> > >
> > > Otherwise users upgrading to this point release of linux-4.14.y still on
> > > versions of the GNU assembler older than v1.28 will observe assembler
> > > errors when building this series. See the link below for the error
> > > messages.
> > >
> > > Please see
> > > https://lore.kernel.org/llvm/20221103210748.1343090-1-ndesaulniers@google.com/
> > > for more info.
> >
> > Did you try building with that commit applied?  I get the following
> 
> I built 4.19 but not 4.14. Sorry! It looks like for 4.14 95b980d62d52
> will additionally depend on
> 
> commit 2dd8a62c6476 ("linux/const.h: move UL() macro to include/linux/const.h")
> 
> which first landed in v4.17-rc1.
> 
> That commit will depend on
> 
> commit 2a6cc8a6c0cb ("linux/const.h: prefix include guard of
> uapi/linux/const.h with _UAPI")
> 
> which first landed in v4.17-rc1 as well. Looks like they were part of
> the same series.
> 
> So 4.14.y will need the following 3 patches:
> 1. commit 2a6cc8a6c0cb ("linux/const.h: prefix include guard of
> uapi/linux/const.h with _UAPI")
> 2. commit 2dd8a62c6476 ("linux/const.h: move UL() macro to
> include/linux/const.h")
> 3. commit 95b980d62d52 ("linux/bits.h: make BIT(), GENMASK(), and
> friends available in assembly")
> 
> 2a6cc8a6c0cb will have a minor conflict in include/uapi/linux/const.h because
> commit a85cbe6159ff ("uapi: move constants from <linux/kernel.h> to
> <linux/const.h>")
> was backported before 2a6cc8a6c0cb as b732e14e6218b (in 4.14).
> Attached is a compile tested (x86 make CC=clang) mbox for 4.14.y.
> Please let me know if that works for you.

Thanks, I've queued these up now and will test them later today on the
Android build system as well.

greg k-h