lkml.org 
[lkml]   [2012]   [Apr]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch 00/18] SMP: Boot and CPU hotplug refactoring - Part 1
On Fri, 2012-04-20 at 13:05 +0000, Thomas Gleixner wrote:
> [...]
> This first part moves the idle thread management for non-boot cpus
> into the core. fork_idle() is called in a workqueue as it is
> implemented in a few architectures already. This is necessary when not
> all cpus are brought up by the early boot code as otherwise we would
> take a ref on the user task VM of the thread which brings the cpu up
> via the sysfs interface.
>
> This converts all architectures except m32r, mn10300, tile and UM to
> the new core facility. These architecture are calling fork_idle() in
> the very early boot code in smp_prepare_cpus() for unknown reasons.
> I haven't analyzed yet, whether this is on purpose or can be moved
> over to the generic facility. It'd be nice if the responsible maintainers
> could look into that as well.

I will take a look at this for the tile architecture later this week; I'm
out on vacation until Wednesday.

--
Chris Metcalf, Tilera Corp.
http://www.tilera.com

--
To unsubscribe from this list: send the line "unsubscribe linux-arch" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html



\
 
 \ /
  Last update: 2012-04-22 23:07    [W:0.830 / U:0.520 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site