linux-kernel - Re: [PATCH 5.15 00/43] 5.15.28-rc1 review

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Date:   Thu, 10 Mar 2022 11:52:37 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Anders Roxell <anders.roxell@...aro.org>
Cc:     Daniel Díaz <daniel.diaz@...aro.org>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
        linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
        lkft-triage@...ts.linaro.org, pavel@...x.de, jonathanh@...dia.com,
        f.fainelli@...il.com, sudipm.mukherjee@...il.com,
        slade@...dewatkins.com
Subject: Re: [PATCH 5.15 00/43] 5.15.28-rc1 review

On Thu, Mar 10, 2022 at 11:30:48AM +0100, Anders Roxell wrote:
> On Wed, 9 Mar 2022 at 22:14, Daniel Díaz <daniel.diaz@...aro.org> wrote:
> >
> > 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 = .; OVERLAY 0xffff0000 : NOCROSSREFS AT(__vectors_lma) { .vectors { *(.vectors) } .vectors.bhb.loop8 { *(.vectors.bhb.loop8) } .vectors.bhb.bpiall { *(.vectors.bhb.bpiall) } } __vectors_start = LOADADDR(.vectors); __vectors_end = LOADADDR(.vectors) + SIZEOF(.vectors); __vectors_bhb_loop8_start = LOADADDR(.vectors.bhb.loop8); __vectors_bhb_loop8_end = LOADADDR(.vectors.bhb.loop8) + SIZEOF(.vectors.bhb.loop8); __vectors_bhb_bpiall_start = LOADADDR(.vectors.bhb.bpiall); __vectors_bhb_bpiall_end = LOADADDR(.vectors.bhb.bpiall) + SIZEOF(.vectors.bhb.bpiall); . = __vectors_lma + SIZEOF(.vectors) + SIZEOF(.vectors.bhb.loop8) + SIZEOF(.vectors.bhb.bpiall); __stubs_lma = .; .stubs ADDR(.vectors) + 0x1000 : AT(__stubs_lma) { *(.stubs) } __stubs_start = LOADADDR(.stubs); __stubs_end = LOADADDR(.stubs) + SIZEOF(.stubs); . = __stubs_lma + SIZEOF(.stubs); PROVIDE(vector_fiq_offset = 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.

Thanks, but we can't drop that one for obvious reasons :)