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Message-ID: <4E14F31B.4080102@zytor.com>
Date: Wed, 06 Jul 2011 16:43:23 -0700
From: "H. Peter Anvin" <hpa@...or.com>
To: Frederic Weisbecker <fweisbec@...il.com>
CC: David Sharp <dhsharp@...gle.com>,
Vaibhav Nagarnaik <vnagarnaik@...gle.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
Steven Rostedt <rostedt@...dmis.org>,
Michael Rubin <mrubin@...gle.com>, x86@...nel.org,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Jiaying Zhang <jiayingz@...gle.com>
Subject: Re: [PATCH v2] trace: Add x86 irq vector entry/exit tracepoints
On 06/15/2011 08:02 PM, Frederic Weisbecker wrote:
>
> If a generic tracepoint can replace one per arch, we all want that instead.
> This is 24 times (24 archs) less maintainance burden.
>
Are you in effect saying that tracepoints are now a stable ABI? They
sure as hell haven't been architected, reviewed, or accepted for any
such purpose.
-hpa
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