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From:   Anders Roxell <anders.roxell@linaro.org>
Date:   Thu, 10 Mar 2022 11:30:48 +0100
Message-ID: <CADYN=9+VTyVCxuMBNfYGdLX+BzOhXPPURy8iaLDywyqmyiBZyw@mail.gmail.com>
Subject: Re: [PATCH 5.15 00/43] 5.15.28-rc1 review
To:     =?UTF-8?B?RGFuaWVsIETDrWF6?= <daniel.diaz@linaro.org>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        torvalds@linux-foundation.org, akpm@linux-foundation.org,
        linux@roeck-us.net, shuah@kernel.org, patches@kernelci.org,
        lkft-triage@lists.linaro.org, pavel@denx.de, jonathanh@nvidia.com,
        f.fainelli@gmail.com, sudipm.mukherjee@gmail.com,
        slade@sladewatkins.com
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On Wed, 9 Mar 2022 at 22:14, Daniel D=C3=ADaz <daniel.diaz@linaro.org> wrot=
e:
>
> Hello!
>
> On 09/03/22 09:59, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 5.15.28 release.
> > There are 43 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> >
> > Responses should be made by Fri, 11 Mar 2022 15:58:48 +0000.
> > Anything received after that time might be too late.
> >
> > The whole patch series can be found in one patch at:
> >       https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-=
5.15.28-rc1.gz
> > or in the git tree and branch at:
> >       git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable=
-rc.git linux-5.15.y
> > and the diffstat can be found below.
> >
> > thanks,
> >
> > greg k-h
>
> Regressions found.
>

[...]

>
>
> And here's one for Clang (same imx_v4_v5_defconfig config, but with clang=
-11):
>
>    ld.lld: error: ./arch/arm/kernel/vmlinux.lds:117: AT expected, but got=
 NOCROSSREFS
>    >>>  __vectors_lma =3D .; OVERLAY 0xffff0000 : NOCROSSREFS AT(__vector=
s_lma) { .vectors { *(.vectors) } .vectors.bhb.loop8 { *(.vectors.bhb.loop8=
) } .vectors.bhb.bpiall { *(.vectors.bhb.bpiall) } } __vectors_start =3D LO=
ADADDR(.vectors); __vectors_end =3D LOADADDR(.vectors) + SIZEOF(.vectors); =
__vectors_bhb_loop8_start =3D LOADADDR(.vectors.bhb.loop8); __vectors_bhb_l=
oop8_end =3D LOADADDR(.vectors.bhb.loop8) + SIZEOF(.vectors.bhb.loop8); __v=
ectors_bhb_bpiall_start =3D LOADADDR(.vectors.bhb.bpiall); __vectors_bhb_bp=
iall_end =3D LOADADDR(.vectors.bhb.bpiall) + SIZEOF(.vectors.bhb.bpiall); .=
 =3D __vectors_lma + SIZEOF(.vectors) + SIZEOF(.vectors.bhb.loop8) + SIZEOF=
(.vectors.bhb.bpiall); __stubs_lma =3D .; .stubs ADDR(.vectors) + 0x1000 : =
AT(__stubs_lma) { *(.stubs) } __stubs_start =3D LOADADDR(.stubs); __stubs_e=
nd =3D LOADADDR(.stubs) + SIZEOF(.stubs); . =3D __stubs_lma + SIZEOF(.stubs=
); PROVIDE(vector_fiq_offset =3D vector_fiq - ADDR(.vectors));
>    >>>                                          ^
>    make[1]: *** [/builds/linux/Makefile:1183: vmlinux] Error 1

Bisection showed patch 8f4782a68faf ("ARM: Spectre-BHB workaround") as
the faulty patch.


Cheers,
Anders