linux-kernel - Re: [PATCH][kprobe] enabling booster on the preemptible kernel

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Message-Id: <1163775843.8789.55.camel@earth>
Date:	Fri, 17 Nov 2006 16:04:03 +0100
From:	Ingo Molnar <mingo@...hat.com>
To:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc:	"Keshavamurthy, Anil S" <anil.s.keshavamurthy@...el.com>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	"bibo,mao" <bibo.mao@...el.com>,
	Prasanna S Panchamukhi <prasanna@...ibm.com>,
	Andrew Morton <akpm@...l.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	SystemTAP <systemtap@...rces.redhat.com>,
	Yumiko Sugita <yumiko.sugita.yf@...achi.com>,
	Satoshi Oshima <soshima@...hat.com>,
	Hideo Aoki <haoki@...hat.com>
Subject: Re: [PATCH][kprobe] enabling booster on the preemptible kernel

On Fri, 2006-11-17 at 21:35 +0900, Masami Hiramatsu wrote:
> From: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
> 
> This patch enables the kprobe-booster on the preemptible kernel.
> For this purpose, I introduced a kind of garbage collector of
> the instruction slots. This garbage collector checks safety before
> releasing the garbage slots.
> 
> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com> 

nice work - looks really sensible! This opens the door to djprobes (or
rather, to the transparent kprobes speedup that used to be a separate
interface), right?

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

	Ingo

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