linux-kernel - Re: [PATCH 4/5] uio: Support 2^MINOR

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Message-ID: <alpine.LFD.2.00.1009220024470.2416@localhost6.localdomain6>
Date:	Wed, 22 Sep 2010 00:26:22 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
cc:	Greg KH <greg@...ah.com>, Greg Kroah-Hartman <gregkh@...e.de>,
	"Hans J. Koch" <hjk@...utronix.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] uio: Support 2^MINOR_BITS minors

On Tue, 21 Sep 2010, Eric W. Biederman wrote:
> Thomas Gleixner <tglx@...utronix.de> writes:
> The compiler will make this transformation on it's own when it compiles
> the code, because it does result in slightly better code.

I doubt the compiler part, but I'm not religious about that. It's a
question of personal preference.
 
> *shrug*  In the grand scheme of things it isn't a big deal.
> 
> I'm much more interested in getting the uio driver hotplug safe so when
> I physically remove a device I am using I don't get a kernel crash.

No objections.

   tglx
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