linux-kernel - Re: [PATCH #repost] SCSI: megaraid, fix suspend/resume sections

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Message-Id: <1209740625.3121.27.camel@localhost.localdomain>
Date:	Fri, 02 May 2008 10:03:45 -0500
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, megaraidlinux@....com,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH #repost] SCSI: megaraid, fix suspend/resume sections

On Fri, 2008-05-02 at 17:01 +0200, Jiri Slaby wrote:
> James Bottomley napsal(a):
> >>> could we not at least make the machinery do something vaguely
> >>> useful and expand it to confine the pm routines to sections which can be
> >>> discarded if CONFIG_PM is n?
> >> a) it would need to be discarded at link-time, ideally.
> > 
> > Yes, the same way the exit sections are: as linker discards.  We also
> > have the mechanics for runtime discards which is useful for modules
> 
> No it doesn't, exits are discarded at runtime only. At least on x86.

No what doesn't?  I said we have the mechanics to discard both at link
and at run time.

I think you'll find that .exitcall.exit is link time discarded on x86
and the others are runtime discarded.

James


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