From: Cristian Marussi <cristian.marussi@arm•com>
To: Christoph Hellwig <hch@infradead•org>
Cc: linux-arch@vger•kernel.org, mark.rutland@arm•com,
peterz@infradead•org, catalin.marinas@arm•com,
linux-kernel@vger•kernel.org, takahiro.akashi@linaro•org,
james.morse@arm•com, hidehiro.kawai.ez@hitachi•com,
tglx@linutronix•de, will@kernel•org, dave.martin@arm•com,
linux-arm-kernel@lists•infradead.org
Subject: Re: [RFC PATCH 0/7] Unify SMP stop generic logic to common code
Date: Mon, 26 Aug 2019 20:33:23 +0100 [thread overview]
Message-ID: <2b4a744c-ea20-00e6-828f-7be125326792@arm.com> (raw)
In-Reply-To: <20190826153401.GB9591@infradead.org>
Hi Christoph
thanks for the review.
On 8/26/19 4:34 PM, Christoph Hellwig wrote:
> On Fri, Aug 23, 2019 at 12:57:13PM +0100, Cristian Marussi wrote:
>> An architecture willing to rely on this SMP common logic has to define its
>> own helpers and set CONFIG_ARCH_USE_COMMON_SMP_STOP=y.
>> The series wire this up for arm64.
>>
>> Behaviour is not changed for architectures not adopting this new common
>> logic.
>
> Seens like this common code only covers arm64. I think we should
> generally have at least two users for common code.
>
Yes absolutely, but this RFC was an attempt at first to explore if this
approach was deemed sensible upstream or not, so I wired up only arm64 for now.
Thanks
Cristian
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prev parent reply other threads:[~2019-08-26 19:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-23 11:57 [RFC PATCH 0/7] Unify SMP stop generic logic to common code Cristian Marussi
2019-08-23 11:57 ` [RFC PATCH 1/7] smp: add generic SMP-stop support " Cristian Marussi
2019-08-23 11:57 ` [RFC PATCH 2/7] smp: unify crash_ and smp_send_stop() logic Cristian Marussi
2019-08-23 11:57 ` [RFC PATCH 3/7] smp: coordinate concurrent crash/smp stop calls Cristian Marussi
2019-08-23 11:57 ` [RFC PATCH 4/7] smp: address races of starting CPUs while stopping Cristian Marussi
2019-08-23 11:57 ` [RFC PATCH 5/7] arm64: smp: use generic SMP stop common code Cristian Marussi
2019-08-26 15:32 ` Christoph Hellwig
2019-08-26 19:58 ` Cristian Marussi
2019-08-26 22:26 ` Thomas Gleixner
2019-08-27 14:34 ` Cristian Marussi
2019-08-23 11:57 ` [RFC PATCH 6/7] arm64: smp: use SMP crash-stop " Cristian Marussi
2019-08-23 11:57 ` [RFC PATCH 7/7] arm64: smp: add arch specific cpu parking helper Cristian Marussi
2019-08-26 15:34 ` [RFC PATCH 0/7] Unify SMP stop generic logic to common code Christoph Hellwig
2019-08-26 19:33 ` Cristian Marussi [this message]
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