From: Greg KH <gregkh@linuxfoundation.org>
To: Nick Desaulniers <ndesaulniers@google.com>
Cc: Sasha Levin <sashal@kernel.org>, Ard Biesheuvel <ardb@kernel.org>,
clang-built-linux <clang-built-linux@googlegroups.com>,
Jian Cai <jiancai@google.com>,
Russell King <rmk+kernel@armlinux.org.uk>,
"# 3.4.x" <stable@vger.kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
Dmitry Osipenko <digetx@gmail.com>,
Kees Cook <keescook@chromium.org>
Subject: Re: [PATCH 5.4 2/2] ARM: 9044/1: vfp: use undef hook for VFP support detection
Date: Sat, 20 Mar 2021 12:04:34 +0100 [thread overview]
Message-ID: <YFXWwlmJ4xV3bF5B@kroah.com> (raw)
In-Reply-To: <CAKwvOdmb04CD0msrieHj6zj5NjsZ4E90V5sjuXHnt=XwN68uQw@mail.gmail.com>
On Fri, Mar 19, 2021 at 01:14:12PM -0700, Nick Desaulniers wrote:
> On Fri, Mar 19, 2021 at 3:06 AM Greg KH <gregkh@linuxfoundation.org> wrote:
> >
> > On Tue, Mar 16, 2021 at 09:59:18AM -0700, Nick Desaulniers wrote:
> > > If it's preferrable to send an .mbox file or a series with cover letter,
> > > I'm happy to resend it as such, just let me know.
> >
> > Please resend it that way, makes it easier to figure out what is going
> > on here...
>
> Dear stable kernel maintainers,
> Please consider applying the following mbox file to linux-5.4.y. It
> contains 2 cherry-picks of `Fixes:` for a patch in 5.4.
>
> Ard reported linux-5.4.y with CONFIG_THUMB2_KERNEL=y was broken without these in
> https://lore.kernel.org/stable/CAMj1kXGLrVXZPAoxTtMueB9toeoktuKza-mRpd4vZ0SLN6bSSQ@mail.gmail.com/.
>
> The mbox contains:
> commit f77ac2e378be ("ARM: 9030/1: entry: omit FP emulation for UND
> exceptions taken in kernel mode")
> commit 3cce9d44321e ("ARM: 9044/1: vfp: use undef hook for VFP support
> detection")
>
> They first landed in v5.11-rc1. The first is a fixup for:
> commit eff8728fe698 ("vmlinux.lds.h: Add PGO and AutoFDO input sections")
>
> which exists in 5.4.90 as 87ea51c90280.
>
> The first has a conflict in arch/arm/vfp/vfphw.S due to missing
> commit 2cbd1cc3dcd3 ("ARM: 8991/1: use VFP assembler mnemonics if available")]
> in 5.4. 2cbd1cc3dcd3 causes breakage in ARCH=axm55xx_defconfig
> previously reported:
> https://lore.kernel.org/stable/be846d89-ab5a-f02a-c05e-1cd40acc5baa@roeck-us.net/
> and will need to be reworked if we ever do backport it.
Now queued up, thanks.
greg k-h
next prev parent reply other threads:[~2021-03-20 11:14 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-11 19:32 ARCH=arm LLVM_IAS=1 patches for 5.10, 5.4, and 4.19 Nick Desaulniers
2021-03-12 10:12 ` Greg KH
2021-03-12 17:28 ` Nick Desaulniers
2021-03-13 4:07 ` Sasha Levin
2021-03-15 9:08 ` Greg KH
2021-03-15 9:12 ` Greg KH
2021-03-15 9:16 ` Greg KH
2021-03-15 10:37 ` Ard Biesheuvel
2021-03-15 17:43 ` Nick Desaulniers
2021-03-15 17:53 ` Ard Biesheuvel
2021-03-15 22:58 ` Nick Desaulniers
2021-03-15 23:19 ` [PATCH 5.4.y] ARM: 9030/1: entry: omit FP emulation for UND exceptions taken in kernel mode Nick Desaulniers
2021-03-16 6:20 ` Ard Biesheuvel
2021-03-16 16:59 ` [PATCH 5.4 2/2] ARM: 9044/1: vfp: use undef hook for VFP support detection Nick Desaulniers
2021-03-19 10:06 ` Greg KH
2021-03-19 20:14 ` Nick Desaulniers
2021-03-20 11:04 ` Greg KH [this message]
2021-03-16 14:02 ` ARCH=arm LLVM_IAS=1 patches for 5.10, 5.4, and 4.19 Sasha Levin
2021-03-15 19:06 ` Greg KH
2021-03-15 20:43 ` Sasha Levin
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