linux-kernel - Re: [patch 1/8] Kprobes - do not use kprobes mutex in arch code

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Date:	Sat, 14 Jul 2007 11:49:14 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	prasanna@...ibm.com, ananth@...ibm.com,
	anil.s.keshavamurthy@...el.com, davem@...emloft.net
Subject: Re: [patch 1/8] Kprobes - do not use kprobes mutex in arch code

On Fri, Jul 13, 2007 at 09:21:34PM -0400, Mathieu Desnoyers wrote:
> Remove the kprobes mutex from kprobes.h, since it does not belong there. Also
> remove all use of this mutex in the architecture specific code, replacing it by
> a proper mutex lock/unlock in the architecture agnostic code.

This is not very nice for avr32/sparc64 which have a noop arch_remove_kprobe
and now need to take a mutex to do nothing.  Maybe you can find a nice
way to avoid that?

Except for this issue making kprobes_mutex static to kprobes.c sounds like
a good improvement.

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