linux-kernel - Re: Can we remove pci_find

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Message-ID: <20100114110354.GJ12241@basil.fritz.box>
Date:	Thu, 14 Jan 2010 12:03:54 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Andi Kleen <andi@...stfloor.org>, Greg KH <gregkh@...e.de>,
	Tilman Schmidt <tilman@...p.cc>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	LKML <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org,
	Karsten Keil <isdn@...ux-pingi.de>,
	isdn4linux@...tserv.isdn4linux.de
Subject: Re: Can we remove pci_find_device() yet?

On Thu, Jan 14, 2010 at 11:02:14AM +0000, Alan Cox wrote:
> > e.g. set some global variable that forbids device removal
> > and warn in the kernel log. In theory this could be also
> > done per device, but I guess that would be more effort.
> 
> There is a simpler way to do that, which is to just leak a reference in
> the hisax_find_pci_device hack. The pci_dev won't be going anywhere then.

You just have to do it once, otherwise it'll fail after 4 billion times.

-Andi


-- 
ak@...ux.intel.com -- Speaking for myself only.
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