linux-kernel - Re: [PATCH] kill hotplug init/exit section annotations

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Message-ID: <20080131171436.GG19700@cs181133002.pp.htv.fi>
Date:	Thu, 31 Jan 2008 19:14:36 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	James Bottomley <James.Bottomley@...senPartnership.com>,
	Sam Ravnborg <sam@...nborg.org>, davem@...emloft.net,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org,
	"Maciej W. Rozycki" <macro@...ux-mips.org>
Subject: Re: [PATCH] kill hotplug init/exit section annotations

On Thu, Jan 31, 2008 at 09:07:49AM -0800, Arjan van de Ven wrote:
> On Thu, 31 Jan 2008 18:21:42 +0200
> Adrian Bunk <bunk@...nel.org> wrote:
> 
> > On Thu, Jan 31, 2008 at 08:11:20AM -0800, Arjan van de Ven wrote:
> > > On Thu, 31 Jan 2008 09:57:31 -0600
> > > James Bottomley <James.Bottomley@...senPartnership.com> wrote:
> > > 
> > > > No-one seems to see much value in these, and they cause about 90%
> > > > of our problems with __init/__exit markers, so simply eliminate
> > > > them. Rather than run over the whole tree removing them, this
> > > > patch #defines them to be nops.
> > > > 
> > > > Signed-off-by: James Bottomley
> > > > <James.Bottomley@...senPartnership.com>
> > > > 
> > > > ---
> > > > 
> > > > I'll probably be going after __exit after this one, but it makes
> > > > sense to split them up, since the hotplug annotation removal looks
> > > > uncontroversial, whereas __exit and discard section removal might
> > > > produce more robust debate.  I also think doing the hotplug
> > > > removal gives us 90% of the benefits and removes 90% of the
> > > > section mismatch problems.
> > > 
> > > 
> > > Since hotplug is so fundamental nowadays the value no longer
> > > outweighs the pain/cost to me, so 
> > 
> > Granted for normal hotplug.
> > 
> > But my computer has neither CPU hotplug 
> 
> cpuhotplug is required for suspend/resume.

Not on UP computers.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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