From: Pavel Machek <pavel@ucw.cz>
To: Peter Chubb <peterc@gelato.unsw.edu.au>
Cc: Greg KH <greg@kroah.com>, linux-kernel@vger.kernel.org
Subject: Re: User mode drivers: part 2: PCI device handling (patch 1/2 for 2.6.11)
Date: Fri, 11 Mar 2005 11:31:46 +0100 [thread overview]
Message-ID: <20050311103146.GC30252@elf.ucw.cz> (raw)
In-Reply-To: <16945.22566.593812.759201@wombat.chubb.wattle.id.au>
Hi!
> >> +/* + * The PCI subsystem is implemented as yet-another pseudo
> >> filesystem, + * albeit one that is never mounted. + * This is its
> >> magic number. + */ +#define USR_PCI_MAGIC (0x12345678)
>
> Greg> If you make it a real, mountable filesystem, then you don't need
> Greg> to have any of your new syscalls, right? Why not just do that
> Greg> instead?
>
>
> The only call that would go is usr_pci_open() -- you'd still need
> usr_pci_map(), usr_pci_unmap() and usr_pci_get_consistent().
There are quite a lot of buses. Having to add #buses * 3 seems quite
wrong to me...
Pavel
--
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!
next prev parent reply other threads:[~2005-03-11 10:34 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-11 3:37 User mode drivers: part 2: PCI device handling (patch 1/2 for 2.6.11) Peter Chubb
2005-03-11 7:18 ` Greg KH
2005-03-11 8:34 ` Peter Chubb
2005-03-11 10:31 ` Pavel Machek [this message]
2005-03-11 15:21 ` Greg KH
2005-03-11 16:45 ` Jesse Barnes
2005-03-12 22:43 ` Jon Smirl
2005-03-14 0:13 ` Peter Chubb
2005-03-14 17:46 ` Alan Cox
2005-03-11 19:16 ` Alan Cox
2005-03-12 10:49 ` Andrew Grover
-- strict thread matches above, loose matches on Subject: below --
2005-03-11 5:18 Albert Cahalan
2005-03-11 19:15 ` Alan Cox
2005-03-11 21:04 ` Albert Cahalan
2005-03-14 13:34 ` Alan Cox
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