From: Arjan van de Ven <arjan@infradead.org>
To: Keith Packard <keithp@keithp.com>
Cc: keithp@keithp.com, Dave Airlie <airlied@gmail.com>,
Jeremy Fitzhardinge <jeremy@goop.org>,
Dave Airlie <airlied@linux.ie>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: kmap_atomic_pfn for PCI BAR access?
Date: Thu, 26 Jun 2008 03:34:30 -0700 [thread overview]
Message-ID: <20080626033430.5b8b711d@infradead.org> (raw)
In-Reply-To: <1214458589.1044.45.camel@koto.keithp.com>
On Wed, 25 Jun 2008 22:36:29 -0700
Keith Packard <keithp@keithp.com> wrote:
> On Wed, 2008-06-25 at 21:36 -0700, Arjan van de Ven wrote:
>
> > well kmap does a tlb flush as well...
>
> kmap_atomic
that needs to, and does, a flush as well.
granted, a per cpu flush, but it's a flush neverthelesss
>
--
If you want to reach me at my work email, use arjan@linux.intel.com
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
prev parent reply other threads:[~2008-06-26 10:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-23 17:34 Keith Packard
2008-06-26 1:18 ` Jeremy Fitzhardinge
2008-06-26 1:23 ` Dave Airlie
2008-06-26 3:11 ` Jeremy Fitzhardinge
2008-07-07 6:53 ` Nick Piggin
2008-07-07 7:05 ` Arjan van de Ven
2008-07-07 11:19 ` Nick Piggin
2008-06-26 4:36 ` Arjan van de Ven
2008-06-26 5:02 ` Dave Airlie
2008-06-26 5:33 ` Keith Packard
2008-06-26 5:36 ` Keith Packard
2008-06-26 5:59 ` Jeremy Fitzhardinge
2008-06-26 6:02 ` Dave Airlie
2008-06-26 10:36 ` Arjan van de Ven
2008-06-26 13:02 ` Arjan van de Ven
2008-06-26 10:34 ` Arjan van de Ven [this message]
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