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Date: Tue, 16 Apr 2024 14:22:07 +0100
Message-ID: <86y19dqw74.wl-maz@kernel.org>
From: Marc Zyngier <maz@kernel.org>
To: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Mark Brown <broonie@kernel.org>,
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	Yihuang Yu <yihyu@redhat.com>,
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	Anshuman Khandual <anshuman.khandual@arm.com>,
	Shaoqin Huang <shahuang@redhat.com>,
	Will Deacon <will@kernel.org>,
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	Anders Roxell <anders.roxell@linaro.org>
Subject: Re: [PATCH 6.6 000/122] 6.6.28-rc1 review
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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.