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

[Anders Roxell]

On Wed, 9 Mar 2022 at 22:14, Daniel Díaz <daniel.diaz@xxxxxxxxxx> 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.


Cheers,
Anders