From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: linux-kernel@vger.kernel.org, Martin Bligh <mbligh@google.com>,
prasad@linux.vnet.ibm.com,
Linus Torvalds <torvalds@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Steven Rostedt <rostedt@goodmis.org>,
od@suse.com, "Frank Ch. Eigler" <fche@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
hch@lst.de, David Wilder <dwilder@us.ibm.com>
Subject: Re: [RFC PATCH] LTTng relay buffer allocation, read, write
Date: Sun, 28 Sep 2008 10:59:29 +0200 [thread overview]
Message-ID: <1222592370.16700.311.camel@lappy.programming.kicks-ass.net> (raw)
In-Reply-To: <1222535419.16700.300.camel@lappy.programming.kicks-ass.net>
On Sat, 2008-09-27 at 19:10 +0200, Peter Zijlstra wrote:
> On Sat, 2008-09-27 at 09:40 -0400, Mathieu Desnoyers wrote:
> > It does not provide _any_ sort of locking on buffer data. Locking should be done
> > by the caller. Given that we might think of very lightweight locking schemes,
Which defeats the whole purpose of the exercise, we want to provide a
single mechanism - including locking - that is usable to all. Otherwise
everybody gets to do the hard part themselves, which will undoubtedly
result in many broken/suboptimal locking schemes.
next prev parent reply other threads:[~2008-09-28 9:00 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-27 13:40 [RFC PATCH] LTTng relay buffer allocation, read, write Mathieu Desnoyers
2008-09-27 17:10 ` Peter Zijlstra
2008-09-28 8:59 ` Peter Zijlstra [this message]
2008-09-29 16:06 ` Mathieu Desnoyers
2008-09-29 15:50 ` Mathieu Desnoyers
2008-09-29 16:38 ` Steven Rostedt
2008-09-29 18:38 ` Mathieu Desnoyers
2008-09-29 19:40 ` Steven Rostedt
2008-09-29 19:54 ` Steven Rostedt
2008-09-29 17:30 ` Peter Zijlstra
2008-09-29 20:31 ` Mathieu Desnoyers
2008-09-29 21:24 ` Steven Rostedt
2008-09-30 17:22 ` Martin Bligh
2008-09-30 17:23 ` Martin Bligh
2008-09-30 18:14 ` Mathieu Desnoyers
2008-09-30 18:22 ` Steven Rostedt
2008-09-30 18:35 ` Mathieu Desnoyers
2008-09-30 19:43 ` Steven Rostedt
2008-09-30 20:01 ` Frank Ch. Eigler
2008-09-30 20:21 ` Steven Rostedt
2008-09-30 19:44 ` Martin Bligh
2008-09-30 19:54 ` Mathieu Desnoyers
2008-09-30 20:49 ` Martin Bligh
2008-09-30 20:55 ` Mathieu Desnoyers
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