lkml.org 
[lkml]   [2009]   [Jun]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] mm/init: cpu_hotplug_init() must be initialized before SLAB
From
Date
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




\
 
 \ /
  Last update: 2009-06-23 03:19    [W:0.922 / U:0.332 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site