Re: [PATCH 6.6 000/122] 6.6.28-rc1 review

Marc Zyngier
2024-04-16T13:22:11Z

On Tue, 16 Apr 2024 14:07:30 +0100,
Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
>
> On Tue, 16 Apr 2024 at 16:04, Mark Brown <broonie@kernel.org> wrote:
> >
> > On Mon, Apr 15, 2024 at 04:19:25PM +0200, Greg Kroah-Hartman wrote:
> > > This is the start of the stable review cycle for the 6.6.28 release.
> > > There are 122 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.
> >
> > The bisect of the boot issue that's affecting the FVP in v6.6 (only)
> > landed on c9ad150ed8dd988 (arm64: tlb: Fix TLBI RANGE operand),
> > e3ba51ab24fdd in mainline, as being the first bad commit - it's also in
> > the -rc for v6.8 but that seems fine. I've done no investigation beyond
> > the bisect and looking at the commit log to pull out people to CC and
> > note that the fix was explicitly targeted at v6.6.
>
> Anders investigated this reported issues and bisected and also found
> the missing commit for stable-rc 6.6 is
> e2768b798a19 ("arm64/mm: Modify range-based tlbi to decrement scale")

Which is definitely *not* stable candidate. We need to understand why
the invalidation goes south when the scale go up instead of down.

M.

--
Without deviation from the norm, progress is not possible.