From: Peter Zijlstra <peterz@infradead.org>
To: Nick Piggin <npiggin@kernel.dk>
Cc: Tejun Heo <tj@kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Jonathan Corbet <corbet@lwn.net>,
Rusty Russell <rusty@rustcorp.com.au>,
Al Viro <viro@zeniv.linux.org.uk>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] lglock: make lg_lock_global() actually lock globally
Date: Fri, 27 Aug 2010 09:59:45 +0200 [thread overview]
Message-ID: <1282895985.1975.1717.camel@laptop> (raw)
In-Reply-To: <1282895856.1975.1711.camel@laptop>
On Fri, 2010-08-27 at 09:57 +0200, Peter Zijlstra wrote:
>
>
> There's a large three lettered company that's promoting cpu hotplug use
> for power management, they hotplug at an astonishing rate.
>
> I've been saying hotplug isn't for that, and its a terrible slow path
> and disrupts your whole machine etc.. they don't seem to care much.
Oh, and the virt community seems to want (or is) doing the same silly
thing.
next prev parent reply other threads:[~2010-08-27 7:59 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-25 19:28 [PATCH] lglock: make lg_lock_global() actually lock globally Jonathan Corbet
2010-08-25 20:00 ` Linus Torvalds
2010-08-25 20:16 ` Jonathan Corbet
2010-08-26 4:23 ` Nick Piggin
2010-08-26 8:55 ` Tejun Heo
2010-08-26 9:46 ` Nick Piggin
2010-08-26 9:49 ` Tejun Heo
2010-08-26 9:50 ` Tejun Heo
2010-08-26 10:08 ` Peter Zijlstra
2010-08-26 11:38 ` Nick Piggin
2010-08-26 11:45 ` Peter Zijlstra
2010-08-26 11:49 ` Peter Zijlstra
2010-08-27 5:51 ` Nick Piggin
2010-08-27 7:57 ` Peter Zijlstra
2010-08-27 7:59 ` Peter Zijlstra [this message]
2010-08-26 10:08 ` Peter Zijlstra
-- strict thread matches above, loose matches on Subject: below --
2010-09-08 22:54 Jonathan Corbet
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