linux-kernel - Re: [RFC PATCH 0/7] Unify SMP stop generic logic to common code

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Date:   Mon, 26 Aug 2019 08:34:01 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Cristian Marussi <cristian.marussi@....com>
Cc:     linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        mark.rutland@....com, peterz@...radead.org,
        catalin.marinas@....com, takahiro.akashi@...aro.org,
        james.morse@....com, hidehiro.kawai.ez@...achi.com,
        tglx@...utronix.de, will@...nel.org, dave.martin@....com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [RFC PATCH 0/7] Unify SMP stop generic logic to common code

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.