From: Jesse Barnes <jbarnes@engr.sgi.com>
To: "David S. Miller" <davem@davemloft.net>
Cc: jonsmirl@gmail.com, willy@debian.org, linux-kernel@vger.kernel.org
Subject: Re: multi-domain PCI and sysfs
Date: Tue, 7 Sep 2004 21:25:41 -0700 [thread overview]
Message-ID: <200409072125.41153.jbarnes@engr.sgi.com> (raw)
In-Reply-To: <20040907211637.20de06f4.davem@davemloft.net>
On Tuesday, September 7, 2004 9:16 pm, David S. Miller wrote:
> > A potentially cleaner option which Ben and I would prefer is to use
> > the vga device Jon is creating to do legacy I/O with explicit
> > read/write or ioctl calls.
>
> Definitely. Note that xfree86 already has a signal handler for this
> stuff, ppc generates traps like sparc64 too.
Doing SIGBUS on ia64 was painful, due to the way the CPU chooses to not
generate errors until bad data is actually consumed, but that's the approach
we're taking at the moment. I'd rather have the ioctls though, so I'm glad
you're up for it. My hope is that we can have a unified Linux device access
method in X and get rid of all (or at least most) of the ppc/sparc/ia64/etc.
specific hacks in the tree...
Jesse
next prev parent reply other threads:[~2004-09-08 4:26 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-04 20:00 multi-domain PCI and sysfs Jon Smirl
2004-09-04 21:57 ` Jesse Barnes
2004-09-04 22:12 ` Jon Smirl
2004-09-04 22:27 ` Jesse Barnes
2004-09-04 22:45 ` Jon Smirl
2004-09-04 23:03 ` Jesse Barnes
2004-09-05 23:04 ` Matthew Wilcox
2004-09-05 23:50 ` Jon Smirl
2004-09-05 23:00 ` Alan Cox
2004-09-06 1:40 ` Matthew Wilcox
2004-09-07 22:58 ` Jon Smirl
2004-09-07 23:11 ` David S. Miller
2004-09-08 3:39 ` Jon Smirl
2004-09-08 4:12 ` David S. Miller
2004-09-08 4:16 ` Jesse Barnes
2004-09-08 4:15 ` Jesse Barnes
2004-09-08 4:16 ` David S. Miller
2004-09-08 4:25 ` Jesse Barnes [this message]
2004-09-08 6:01 ` Jon Smirl
2004-09-08 13:02 ` Alan Cox
2004-09-08 16:02 ` Jesse Barnes
2004-09-08 18:20 ` David S. Miller
2004-09-08 18:32 ` Jesse Barnes
2004-09-08 18:54 ` David S. Miller
2004-09-08 6:55 ` Jon Smirl
2004-09-08 11:11 ` Geert Uytterhoeven
2004-09-08 11:38 ` Matthew Wilcox
2004-09-08 18:21 ` David S. Miller
2004-09-08 22:41 ` Alan Cox
2004-09-09 0:31 ` Jon Smirl
2004-09-09 13:06 ` Alan Cox
2004-09-08 15:03 ` Matthew Wilcox
2004-09-06 0:06 ` Jesse Barnes
2004-09-06 0:31 ` Jon Smirl
2004-09-06 1:38 ` Jon Smirl
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