lkml.org 
[lkml]   [2008]   [Jan]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] rcu: fix section mismatch
On Mon, 21 Jan 2008 11:38:38 +1100 Rusty Russell wrote:

> 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.

Mostly, but arch/mips/ seems to be different (neither depends nor selects)
unless it has changed very recently (I looked at 2.6.24-rc8).

> 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?

It would be nice if someone did that.

---
~Randy


\
 
 \ /
  Last update: 2008-01-22 00:39    [W:0.052 / U:0.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site