linux-kernel - Re: [patch 1/2] x86, ptrace: support for branch trace store(BTS)

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Date:	Wed, 5 Dec 2007 16:32:19 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Markus Metzger <markus.t.metzger@...glemail.com>
Cc:	ak@...e.de, hpa@...or.com, linux-kernel@...r.kernel.org,
	tglx@...utronix.de, akpm@...ux-foundation.org,
	markus.t.metzger@...el.com, mtk.manpages@...il.com,
	roland@...hat.com, suresh.b.siddha@...el.com
Subject: Re: [patch 1/2] x86, ptrace: support for branch trace store(BTS)


* Markus Metzger <markus.t.metzger@...glemail.com> wrote:

> Changes to the last version:
> - split implementation into two layers: ds/bts and ptrace
> - renamed TIF's
> - save/restore ds save area msr in __switch_to_xtra()
> - make block-stepping only look at BTF bit

hm, i tried to merge your patches, but they were word-wrapped, for 
example here:

> +   After the first warp-around, this is the start of the circular bts
> buffer. */

(there's Documentation/email-clients.txt with more info about how to 
avoid this.)

	Ingo
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