linux-kernel - Re: [PATCH 0/6] hw_breakpoint: Let the user choose not to build it (and perf too)

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Date:	Tue, 03 May 2011 12:40:07 +0100
From:	Will Deacon <will.deacon@....com>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Prasad <prasad@...ux.vnet.ibm.com>,
	Paul Mundt <lethal@...ux-sh.org>,
	Jason Wessel <jason.wessel@...driver.com>,
	"H . Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH 0/6] hw_breakpoint: Let the user choose not to build it
 (and perf too)

On Wed, 2011-04-27 at 17:59 +0100, Frederic Weisbecker wrote:
> Hi,

Hi Frederic,

> Until now, x86 and superh32 had to always build hw_breakpoint and perf.
> And powerpc and arm were always building hw_breakpoints when perf
> was enabled.
> 
> After this patchset, one can simply disable hw_breakpoints if he
> selected CONFIG_EXPERT. Afterward the user is free to select perf
> or not. Except on SH unfortunately because that would require a
> bit of change in ptrace to support singlestep failures.

For the ARM bits:

Acked-by: Will Deacon <will.deacon@....com>

Cheers,

Will

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