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From: Oleg Nesterov <oleg@redhat.com>
To: Matt Fleming <matt@console-pimps.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Andi Kleen <andi@firstfloor.org>, Tejun Heo <tj@kernel.org>,
	linux-kernel@vger.kernel.org, Tony Luck <tony.luck@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	David Mosberger-Tang <davidm@egauge.net>
Subject: Re: [RFC][PATCH 0/5] Signal scalability series
Date: Mon, 3 Oct 2011 18:35:59 +0200	[thread overview]
Message-ID: <20111003163559.GA3957@redhat.com> (raw)
In-Reply-To: <1317656613.3375.78.camel@mfleming-mobl1.ger.corp.intel.com>

On 10/03, Matt Fleming wrote:
>
> Oh, are you referring to Oleg's email about the slow down under kvm?
> Yeah, admittedly that's a pretty clear indicator that something is wrong
> with the approach in this patch series.

Or there was something wrong with my testing, please recheck. I specially
mentioned I was surprised by the numbers. May be kvm, or lockdep...

Oleg.


  reply	other threads:[~2011-10-03 16:40 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-30 15:12 [RFC][PATCH 0/5] Signal scalability series Matt Fleming
2011-09-30 15:12 ` [RFC][PATCH 1/5] signal: Document signal locking rules Matt Fleming
2011-09-30 15:12 ` [RFC][PATCH 2/5] signal: Add rwlock to protect sighand->action Matt Fleming
2011-09-30 15:25   ` Peter Zijlstra
2011-09-30 15:56   ` Matt Fleming
2011-09-30 15:12 ` [RFC][PATCH 3/5] signal: Reduce sighand->siglock hold time in get_signal_to_deliver() Matt Fleming
2011-09-30 15:12 ` [RFC][PATCH 4/5] signal: Add signal->ctrl_lock for job control Matt Fleming
2011-09-30 15:30   ` Peter Zijlstra
2011-09-30 15:36     ` Matt Fleming
2011-09-30 15:12 ` [RFC][PATCH 5/5] signal: Split siglock into shared_siglock and per-thread siglock Matt Fleming
2011-09-30 16:52 ` [RFC][PATCH 0/5] Signal scalability series Oleg Nesterov
2011-09-30 18:54   ` Oleg Nesterov
2011-09-30 20:00   ` Matt Fleming
2011-09-30 23:56     ` Tejun Heo
2011-10-01 10:16       ` Matt Fleming
2011-10-01 13:03         ` Peter Zijlstra
2011-10-03  1:38           ` Tejun Heo
2011-10-03 13:56             ` Thomas Gleixner
2011-10-04  7:37               ` Tejun Heo
2011-10-03 13:07           ` Oleg Nesterov
2011-10-03 15:22             ` Peter Zijlstra
2011-10-04 17:14               ` Oleg Nesterov
2011-10-04 17:52                 ` Oleg Nesterov
2011-10-04 17:54                 ` Linus Torvalds
2011-10-04 18:13                   ` Oleg Nesterov
2011-10-03 13:16     ` Oleg Nesterov
2011-10-04  8:56       ` Matt Fleming
2011-10-04 17:29         ` Oleg Nesterov
2011-09-30 22:30 ` Andi Kleen
2011-10-01  9:35   ` Matt Fleming
2011-10-03 15:28     ` Linus Torvalds
2011-10-03 15:43       ` Matt Fleming
2011-10-03 16:35         ` Oleg Nesterov [this message]
2011-10-03 20:58           ` Matt Fleming
2011-10-03 21:45             ` Linus Torvalds
2011-10-03 22:13             ` Thomas Gleixner
2011-10-04  8:20               ` Matt Fleming
2011-10-04 17:39               ` Oleg Nesterov

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