From: Mark Rutland <mark.rutland@arm.com>
To: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org, ardb@kernel.org,
broonie@kernel.org, catalin.marinas@arm.com, james.morse@arm.com,
madvenka@linux.microsoft.com, maz@kernel.org,
suzuki.poulose@arm.com
Subject: Re: [PATCH 0/6] arm64: boot cleanups
Date: Thu, 27 May 2021 10:33:49 +0100 [thread overview]
Message-ID: <20210527093349.GA34323@C02TD0UTHF1T.local> (raw)
In-Reply-To: <20210526221641.GA20786@willie-the-truck>
On Wed, May 26, 2021 at 11:16:42PM +0100, Will Deacon wrote:
> On Thu, May 20, 2021 at 12:50:25PM +0100, Mark Rutland wrote:
> > This series (based on v5.13-rc1) reworks the way we initialize some state at
> > boot time, simplifying and unifying the logic for primary and secondary CPUs.
> > This allows us to initalize the per-cpu offsets earlier (which will help to
> > enable KCSAN), and reduces the data we need to pass to a secondary. In future,
> > this should allow us to transfer the secondary data atomically and make the
> > secondary boot paths more robust to arbitrarily long delays.
> >
> > I've based this on Mahdavan's stacktrace termination patch [1] (duplicated here
> > unchanged), since it made sense to combine the unwind initialization along with
> > the other CPU state, and otherwise there would be non-trivial merge conflicts.
> >
> > I've given the series some boot testing with a variety of configurations,
> > checking that stacktraces work correctly, etc.
>
> Thanks. I've already got the stack trace patch queued on
> for-next/stacktrace, so I've merged that branch into a new for-next/boot
> branch and put the remainder of the patches on top of that.
Thanks!
I took a look and I see that you also handled the conflict with the
cache rework (where this series deltetes some maintenance); the result
looks good to me.
Mark.
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prev parent reply other threads:[~2021-05-27 9:37 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-20 11:50 [PATCH 0/6] arm64: boot cleanups Mark Rutland
2021-05-20 11:50 ` [PATCH 1/6] arm64: Implement stack trace termination record Mark Rutland
2021-05-20 11:50 ` [PATCH 2/6] arm64: assembler: add set_this_cpu_offset Mark Rutland
2021-05-20 11:50 ` [PATCH 3/6] arm64: smp: remove pointless secondary_data maintenance Mark Rutland
2021-05-20 11:50 ` [PATCH 4/6] arm64: smp: remove stack from secondary_data Mark Rutland
2021-05-20 11:50 ` [PATCH 5/6] arm64: smp: unify task and sp setup Mark Rutland
2021-05-20 11:50 ` [PATCH 6/6] arm64: smp: initialize cpu offset earlier Mark Rutland
2021-05-20 14:46 ` [PATCH 0/6] arm64: boot cleanups Ard Biesheuvel
2021-05-26 22:16 ` Will Deacon
2021-05-27 9:33 ` Mark Rutland [this message]
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