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Message-ID: <1304422807.27863.6.camel@e102144-lin.cambridge.arm.com>
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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