linux-kernel - Re: [PATCH 01/27] smpboot: Provide a generic method to boot secondary processors

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Message-ID: <20120601165322.GB18870@merkur.ravnborg.org>
Date:	Fri, 1 Jun 2012 18:53:22 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
Cc:	tglx@...utronix.de, peterz@...radead.org,
	paulmck@...ux.vnet.ibm.com, rusty@...tcorp.com.au,
	mingo@...nel.org, yong.zhang0@...il.com, akpm@...ux-foundation.org,
	vatsa@...ux.vnet.ibm.com, rjw@...k.pl, linux-arch@...r.kernel.org,
	linux-kernel@...r.kernel.org, nikunj@...ux.vnet.ibm.com,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Venkatesh Pallipadi <venki@...gle.com>
Subject: Re: [PATCH 01/27] smpboot: Provide a generic method to boot
	secondary processors

> +
> +
> +/* Implement the following functions in your architecture, as appropriate. */
> +
> +/**
> + * __cpu_pre_starting()
> + *
> + * Implement whatever you need to do before the CPU_STARTING notifiers are
> + * invoked. Note that the CPU_STARTING callbacks run *on* the cpu that is
> + * coming up. So that cpu better be prepared! IOW, implement all the early
> + * boot/init code for the cpu here. And do NOT enable interrupts.
> + */
> +#ifndef __cpu_pre_starting
> +void __weak __cpu_pre_starting(void *arg) {}
> +#endif

I miss the prototype for this in a header?
And the comment maybe belong in the header - not in the implementation?

	Sam
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