linux-kernel - Re: Regression: commit "ide: constify struct ide_port

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Date:	Fri, 26 Oct 2007 10:05:53 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Sergei Shtylyov <sshtylyov@...mvista.com>,
	Russell King <rmk@....linux.org.uk>, linux-ide@...r.kernel.org,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	Jeff Garzik <jgarzik@...ox.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Linux Kernel List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Regression: commit "ide: constify struct ide_port_info" causes
 breakage

On Fri, 26 Oct 2007 09:30:20 -0700 (PDT)
Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> 
> 
> On Fri, 26 Oct 2007, Sergei Shtylyov wrote:
> > 
> >    We can just convert cariables declared as 'struct hpt_info' to
> > const too -- they are read-only templates.
> 
> Generally "__devinitdata" is better than "const", since it means that
> the data may be thrown away.
> 
> So if you drop one over the other, it's generally the "const" that
> should be dropped ;/
> 

we could do a
__constdevinitdata
that translate to "const" for the "not throw away" cases, and to the
throw-away secontion for the other cases...
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