linux-kernel - RE: minor device number request for /dev/kvm (kernel-based virtual machine)

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Message-ID: <93C4769E3BED6B42B7203BD6F065654C08C5DF0F@dmoexc01.emea.cpqcorp.net>
Date:	Thu, 1 Mar 2007 15:09:17 +0100
From:	"Mathiasen, Torben" <Torben.Mathiasen@...com>
To:	"Avi Kivity" <avi@...ranet.com>,
	"Jan Engelhardt" <jengelh@...ux01.gwdg.de>
Cc:	"linux-kernel" <linux-kernel@...r.kernel.org>,
	"kvm-devel" <kvm-devel@...ts.sourceforge.net>
Subject: RE: minor device number request for /dev/kvm (kernel-based virtual machine)

> > If it does not increase memory usage, then possibly:
> >
> >   __register_chrdev_region(major, 0, (~0U) & MINORMASK, name);
> >                                   or (1<<MINORMASK)-1 if that's more
> clear
> >
> >
> 
> I'm more worried about something in the chardev bowels not supporting
>  >8bit minors well.
> 

I was under the impression that large minors was supported for misc.
Skimming the code that does not seem to be the case. Can someone
comment?

Torben 
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