linux-kernel - Re: [patch 4/4] KVM-trace port to tracepoints

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Message-ID: <20080723100314.GA2847@infradead.org>
Date:	Wed, 23 Jul 2008 06:03:14 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Avi Kivity <avi@...ranet.com>, Jan Kiszka <jan.kiszka@...mens.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	akpm@...ux-foundation.org, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	"Feng(Eric) Liu" <eric.e.liu@...el.com>
Subject: Re: [patch 4/4] KVM-trace port to tracepoints

On Wed, Jul 23, 2008 at 10:55:03AM +0200, Peter Zijlstra wrote:
> Andrew raised the whole point about trace_mark() generating an
> user-visible interface and thus it should be stable, and I agree with
> that.

I'm not sure why this comes up again and again, but it's utter bullshit.
trace_mark does not generate any kind of user interface, just purely
a kernel internal interface.

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