From: David Woodhouse <dwmw2@infradead.org>
To: Norbert Roos <norbert.roos@cluster-labs.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Probs with PCI bus master DMA to user space
Date: Tue, 20 Feb 2001 17:03:16 +0000 [thread overview]
Message-ID: <6863.982688596@redhat.com> (raw)
In-Reply-To: <3A924D8A.FBEAD695@cluster-labs.de>
In-Reply-To: <3A924D8A.FBEAD695@cluster-labs.de>
norbert.roos@cluster-labs.de said:
> The problem I have is: Is there an efficient way to lock the pages
> which are accessed by the DMA?
map_user_kiobuf, lock it, DMA into it, unlock it and unmap it again?
--
dwmw2
next prev parent reply other threads:[~2001-02-20 17:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-20 10:57 Probs with PCI bus master DMA to user space Norbert Roos
2001-02-20 12:37 ` Alan Cox
2001-02-20 17:03 ` David Woodhouse [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-02-20 13:31 Norbert Roos
2001-02-20 13:37 ` Jeff Garzik
2001-02-20 14:10 ` Norbert Roos
2001-02-20 14:49 ` Jeff Garzik
2001-02-20 16:50 ` Norbert Roos
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