Messages in this thread | | | Subject | Re: [PATCH] mm/init: cpu_hotplug_init() must be initialized before SLAB | From | James Bottomley <> | Date | Mon, 22 Jun 2009 20:13:08 -0500 |
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On Tue, 2009-06-23 at 10:31 +1000, Benjamin Herrenschmidt wrote: > SLAB uses get/put_online_cpus() which use a mutex which is itself > only initialized when cpu_hotplug_init() is called. Currently > we hang suring boot in SLAB due to doing that too late. This > moves the call to cpu_hotplug_init() to before mm_init() (it > should be safe to call that early). > > This fixes boot with SLAB on some PowerPC machines. > > Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> > --- > > Sachin, James, do that fix the boot failures you've been seeing ?
Yes, that seems to fix it for me.
James
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