linux-kernel - Re: [PATCH 1/1] hotplug cpu: migrate a task within its cpuset

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20070524075601.GB21138@elte.hu>
Date:	Thu, 24 May 2007 09:56:01 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Cliff Wickman <cpw@....com>, linux-kernel@...r.kernel.org,
	Paul Jackson <pj@....com>,
	Christoph Lameter <christoph@...eter.com>,
	Paul Menage <menage@...gle.com>,
	Nick Piggin <nickpiggin@...oo.com.au>
Subject: Re: [PATCH 1/1] hotplug cpu: migrate a task within its cpuset


* Andrew Morton <akpm@...ux-foundation.org> wrote:

> > When a cpu is disabled, move_task_off_dead_cpu() is called for tasks 
> > that have been running on that cpu.
> 
> So I still have these three patches in the pending queue but I was 
> rather hoping that the scheduler, sched-domains and cpuset people 
> could take a look at them, please.
> 
> They hit sched.c and cpuset.c mainly, and they might trash Ingo's CFS 
> patch (I haven't checked).

The patch looks good to me. It applies cleanly ontop of CFS and it 
builds and boots fine with and without CONFIG_CPU_HOTPLUG (although i 
havent tried to explicitly stress the codepath in question). We are a 
bit paranoid in this codepath but it's not performance-critical 
normally.

Acked-by: Ingo Molnar <mingo@...e.hu>

	Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/