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From: Rusty Russell <rusty@rustcorp.com.au>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: Randy Dunlap <randy.dunlap@oracle.com>,
	lkml <linux-kernel@vger.kernel.org>,
	dipankar@in.ibm.com, akpm <akpm@linux-foundation.org>
Subject: Re: [PATCH] rcu: fix section mismatch
Date: Mon, 21 Jan 2008 11:38:38 +1100	[thread overview]
Message-ID: <200801211138.38591.rusty@rustcorp.com.au> (raw)
In-Reply-To: <20080119212549.GD29070@uranus.ravnborg.org>

On Sunday 20 January 2008 08:25:49 Sam Ravnborg wrote:
> On Sat, Jan 19, 2008 at 11:56:43AM -0800, Randy Dunlap wrote:
> > rcu_online_cpu() should be __cpuinit instead of __devinit.
>
> So if we have:
> CONFIG_HOTPLUG=n
> CONFIG_HOTPLUG_CPU=y
>
> then this is a oops candidate.

At first glance, this can't happen because all CONFIG_HOTPLUG_CPU depends on 
CONFIG_HOTPLUG or selects it, for all archs.

But CONFIG_PM_SLEEP_SMP selects CONFIG_HOTPLUG_CPU, without requiring 
CONFIG_HOTPLUG: turning on SUSPEND or HIBERNATION does this.

Perhaps it's time to revisit reverse-depends for select?

Cheers,
Rusty.

  reply	other threads:[~2008-01-21  3:03 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-19 19:56 [PATCH] rcu: fix section mismatch Randy Dunlap
2008-01-19 21:25 ` Sam Ravnborg
2008-01-21  0:38   ` Rusty Russell [this message]
2008-01-21 19:08     ` Sam Ravnborg
2008-01-21 23:34     ` Randy Dunlap
2008-01-22  5:52       ` Sam Ravnborg
2008-01-22 16:20         ` Randy Dunlap

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