linux-kernel - Re: [PATCH 3/6] x86: Allow the user not to build hw

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Message-ID: <4DC09613.7030201@zytor.com>
Date:	Tue, 03 May 2011 16:56:03 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
CC:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Jason Wessel <jason.wessel@...driver.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 3/6] x86: Allow the user not to build hw_breakpoints

On 05/03/2011 04:54 PM, Frederic Weisbecker wrote:
> On Tue, May 03, 2011 at 04:40:14PM -0700, H. Peter Anvin wrote:
>> On 05/03/2011 04:12 PM, Frederic Weisbecker wrote:
>>>>
>>>> It really is very bad... without breakpoints, you lose almost all
>>>> debugging support.
>>>
>>> Right, so it should be fine for embedded environment to disable breakpoints.
>>> It depends on CONFIG_EXPERT now.
>>
>> Uh... even embedded environments need to be able to debug.
> 
> For development yeah, but is it needed for production evironments?
> 

Most of the time people don't want to debug something other than they're
going to ship.

	-hpa
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