linux-kernel - Re: [2.6 patch] mark pci_find_device() as _

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Date:	Sun, 19 Nov 2006 15:27:35 +0100
From:	Adrian Bunk <bunk@...sta.de>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Alan Cox <alan@...hat.com>, Andrew Morton <akpm@...l.org>,
	gregkh@...e.de, linux-kernel@...r.kernel.org,
	linux-pci@...ey.karlin.mff.cuni.cz
Subject: Re: [2.6 patch] mark pci_find_device() as __deprecated

On Sun, Nov 19, 2006 at 03:13:04PM +0100, Arjan van de Ven wrote:
> On Sun, 2006-11-19 at 15:04 +0100, Adrian Bunk wrote:
> > On Sun, Nov 19, 2006 at 10:47:12AM +0100, Arjan van de Ven wrote:
> > > 
> > > > 
> > > > Oh, and if anything starts complaining "But this adds some warnings to 
> > > > my kernel build!", he should either first fix the 200 kB (sic) of 
> > > > warnings I'm getting in 2.6.19-rc5-mm2 starting at MODPOST or go to hell.
> > > 
> > > we can solve this btw; we could have a
> > > 
> > > #define THIS_MODULE_IS_LEGACY_CRAP_AND_WONT_GET_FIXED
> > >...
> > 
> > The few warnings by __deprecated are not that much of a problem.
> 
> yes they are; the current situation prevents things that are used in
> only a set of old unmaintained legacy drivers (read: ISDN) as being

ISDN at least has reachable maintainers.

There are much worse drivers in the kernel.

> marked __deprecated because they add too many warnings, while the API
> really should be marked deprecated..
> 
> think for example the entire sleep_on() family of API's (which basically
> are impossible to use race-free in 2.6)

At about 100 warnings with an allyesconfig kernel build and less than a 
handful of warnings with a normal .config .

That's not that bad, and it might result in even these legacy drivers 
getting fixed so that the API can be completely removed.

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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