From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jesse Barnes <jbarnes@engr.sgi.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>,
Christoph Lameter <clameter@sgi.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Bob Picco <Robert.Picco@hp.com>,
venkatesh.pallipadi@intel.com
Subject: Re: device driver for the SGI system clock, mmtimer
Date: Thu, 16 Sep 2004 16:52:21 +0100 [thread overview]
Message-ID: <1095349940.22739.34.camel@localhost.localdomain> (raw)
In-Reply-To: <200409160909.12840.jbarnes@engr.sgi.com>
On Iau, 2004-09-16 at 17:09, Jesse Barnes wrote:
> I think Christoph already looked at that. And HPET doesn't provide mmap
> functionality, does it? I.e. allow a userspace program to dereference the
> counter register directly?
It can do but that assumes nothing else is mapped into the same page
that would be harmful or reveal information that should not be revealed
etc..
next prev parent reply other threads:[~2004-09-16 17:01 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-16 16:03 Bjorn Helgaas
2004-09-16 16:09 ` Jesse Barnes
2004-09-16 15:52 ` Alan Cox [this message]
2004-09-16 17:07 ` Jesse Barnes
2004-09-16 18:17 ` Robert Picco
2004-09-16 18:23 ` Jesse Barnes
2004-09-16 18:00 ` Robert Picco
2004-09-16 16:29 ` Marcello Barnaba
2004-09-16 16:30 ` Christoph Lameter
2004-09-16 18:14 ` Vojtech Pavlik
2004-09-16 18:35 ` Jesse Barnes
2004-09-16 20:34 ` Vojtech Pavlik
2004-09-16 18:46 ` Christoph Lameter
2004-09-20 21:53 ` Bjorn Helgaas
2004-09-16 16:32 ` Christoph Lameter
2004-09-16 16:54 ` Bjorn Helgaas
2004-09-16 18:07 ` Robert Picco
2004-09-16 20:05 ` Christoph Lameter
2004-09-17 1:34 ` Robert Picco
2004-09-16 18:17 ` Vojtech Pavlik
[not found] <Pine.LNX.4.58.0409082058140.28678@schroedinger.engr.sgi.com>
[not found] ` <20040908210537.585120c1.akpm@osdl.org>
2004-09-09 5:12 ` Christoph Lameter
2004-09-09 6:43 ` Jesse Barnes
2004-09-10 19:54 ` Christoph Lameter
2004-09-11 10:50 ` Christoph Hellwig
2004-09-11 15:32 ` Christoph Lameter
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