From: Rusty Russell <rusty@rustcorp.com.au>
To: Andi Kleen <andi@firstfloor.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>,
Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
akpm@linux-foundation.org, Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org, Jason Baron <jbaron@redhat.com>,
Adrian Bunk <bunk@stusta.de>,
Christoph Hellwig <hch@infradead.org>,
akpm@osdl.org
Subject: Re: [patch 09/17] Add all cpus option to stop machine run
Date: Thu, 10 Apr 2008 13:34:32 +1000 [thread overview]
Message-ID: <200804101334.32977.rusty@rustcorp.com.au> (raw)
In-Reply-To: <20080409182454.GF30885@one.firstfloor.org>
On Thursday 10 April 2008 04:24:54 Andi Kleen wrote:
> On Wed, Apr 09, 2008 at 10:10:10PM +0400, Alexey Dobriyan wrote:
> > I continue to think that all this so-called "immediate" infrastructure
> > is an absolute overkill and declared D-cache line savings will _never_
> > matter
>
> You are quite wrong on that.
Well, Alexey did make me read through the patches reasonably thoroughly.
I think it's interesting, and to be honest the current simplified approach
just isn't that scary. There are some minor warts, but it's generally sound.
Cheers,
Rusty.
next prev parent reply other threads:[~2008-04-10 3:35 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-09 15:08 [patch 00/17] Text Edit Lock and Immediate Values for 2.6.25-rc8-mm1 Mathieu Desnoyers
2008-04-09 15:08 ` [patch 01/17] Kprobes - use a mutex to protect the instruction pages list Mathieu Desnoyers
2008-04-09 20:08 ` Masami Hiramatsu
2008-04-09 15:08 ` [patch 02/17] Kprobes - do not use kprobes mutex in arch code Mathieu Desnoyers
2008-04-09 20:08 ` Masami Hiramatsu
2008-04-09 15:08 ` [patch 03/17] Kprobes - declare kprobe_mutex static Mathieu Desnoyers
2008-04-09 20:08 ` Masami Hiramatsu
2008-04-09 15:08 ` [patch 04/17] x86 - Enhance DEBUG_RODATA support - alternatives Mathieu Desnoyers
2008-04-09 15:08 ` [patch 05/17] x86 Fix text_poke for vmalloced pages Mathieu Desnoyers
2008-04-09 15:08 ` [patch 06/17] x86 - Enhance DEBUG_RODATA support for hotplug and kprobes Mathieu Desnoyers
2008-04-09 15:08 ` [patch 07/17] Text Edit Lock - Architecture Independent Code Mathieu Desnoyers
2008-04-09 15:08 ` [patch 08/17] Text Edit Lock - kprobes architecture independent support Mathieu Desnoyers
2008-04-09 15:08 ` [patch 09/17] Add all cpus option to stop machine run Mathieu Desnoyers
2008-04-09 18:10 ` Alexey Dobriyan
2008-04-09 18:24 ` Andi Kleen
2008-04-10 3:34 ` Rusty Russell [this message]
2008-04-10 4:26 ` KOSAKI Motohiro
2008-04-09 18:54 ` Mathieu Desnoyers
2008-04-09 15:08 ` [patch 10/17] Immediate Values - Architecture Independent Code Mathieu Desnoyers
2008-04-09 15:08 ` [patch 11/17] Implement immediate update via stop_machine_run Mathieu Desnoyers
2008-04-10 8:04 ` KOSAKI Motohiro
2008-04-10 20:01 ` Mathieu Desnoyers
2008-04-11 4:50 ` KOSAKI Motohiro
2008-04-09 15:08 ` [patch 12/17] Immediate Values - Kconfig menu in EMBEDDED Mathieu Desnoyers
2008-04-10 3:23 ` Rusty Russell
2008-04-10 19:32 ` [patch 12/17] Immediate Values - Kconfig menu in EMBEDDED (updated) Mathieu Desnoyers
2008-04-10 21:54 ` Rusty Russell
2008-04-14 23:52 ` Mathieu Desnoyers
2008-04-09 15:08 ` [patch 13/17] Immediate Values - x86 Optimization Mathieu Desnoyers
2008-04-09 18:01 ` H. Peter Anvin
2008-04-09 19:08 ` Mathieu Desnoyers
2008-04-09 22:33 ` H. Peter Anvin
2008-04-10 0:42 ` Mathieu Desnoyers
2008-04-10 0:47 ` H. Peter Anvin
2008-04-09 20:21 ` [patch 13/17] Immediate Values - x86 Optimization (updated) Mathieu Desnoyers
2008-04-09 22:33 ` H. Peter Anvin
2008-04-09 23:15 ` Mathieu Desnoyers
2008-04-09 15:08 ` [patch 14/17] Add text_poke and sync_core to powerpc Mathieu Desnoyers
2008-04-09 15:08 ` [patch 15/17] Immediate Values - Powerpc Optimization Mathieu Desnoyers
2008-04-09 15:08 ` [patch 16/17] Immediate Values - Documentation Mathieu Desnoyers
2008-04-10 3:33 ` Rusty Russell
2008-04-11 1:16 ` Mathieu Desnoyers
2008-04-11 15:06 ` Rusty Russell
2008-04-15 0:12 ` Mathieu Desnoyers
2008-04-11 13:44 ` [RFC PATCH] Immediate Values Support init Mathieu Desnoyers
2008-04-09 15:08 ` [patch 17/17] Scheduler Profiling - Use Immediate Values Mathieu Desnoyers
2008-04-10 4:23 ` [patch 00/17] Text Edit Lock and Immediate Values for 2.6.25-rc8-mm1 KOSAKI Motohiro
2008-04-10 7:31 ` Takashi Nishiie
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