linux-kernel - Re: [PATCH v6 1/5] powerpc/85xx: implement hardware timebase sync

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Date:	Wed, 27 Jun 2012 21:48:52 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Zhao Chenhui <chenhui.zhao@...escale.com>
Cc:	linuxppc-dev@...ts.ozlabs.org, scottwood@...escale.com,
	linux-kernel@...r.kernel.org, leoli@...escale.com
Subject: Re: [PATCH v6 1/5] powerpc/85xx: implement hardware timebase sync

On Wed, 2012-06-27 at 18:21 +0800, Zhao Chenhui wrote:
> > What's that CONFIG option for ?
> > 
> > Cheers,
> > Ben.
> 
> This option is to guard the timebase sync routines. It is selected
> when KEXEC or HOTPLUG_CPU is enabled on Freescale Book-E platforms.

Any reason not to just make it unconditional ? That sort of config
option tend to just confuse things and make bug reports harder to sort
out.... Also you decrease your test coverage.

Cheers,
Ben.

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