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From: Jes Sorensen <jes@sunsite.dk>
To: Linux Bigot <linuxopinion@yahoo.com>
Cc: Kurt Ferreira <kferreir@esscom.com>, linux-kernel@vger.kernel.org
Subject: Re: how to get virtual address from dma address
Date: 05 Oct 2001 16:04:04 +0200	[thread overview]
Message-ID: <d3r8sitc8b.fsf@lxplus014.cern.ch> (raw)
In-Reply-To: <20011003214858.97073.qmail@web14807.mail.yahoo.com>
In-Reply-To: Linux Bigot's message of "Wed, 3 Oct 2001 14:48:58 -0700 (PDT)"

>>>>> "Linux" == Linux Bigot <linuxopinion@yahoo.com> writes:

Linux> oops! I am sorry. I did not meant "pci_unmap_single"
Linux> pci_unmap_single.

Linux> I meant to get a routine which does exactly opposite of what
Linux> pci_map_single does, i.e., give me a virtual address for a dma
Linux> address.

Because it is cheaper for you to keep both addresses in the driver
than it is to implement a database to keep track of it for you.

Jes

  parent reply	other threads:[~2001-10-05 14:05 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.LNX.4.21.0110031525370.14852-100000@pogo.esscom.com>
2001-10-03 21:48 ` how to get virtual address from dma address Linux Bigot
2001-10-03 22:03   ` Ben Collins
2001-10-05 14:04   ` Jes Sorensen [this message]
2001-10-03 22:44 James Bottomley
2001-10-04  0:24 ` David S. Miller
2001-10-04 10:11   ` BALBIR SINGH
2001-10-04 11:16     ` David S. Miller
2001-10-04 15:37   ` James Bottomley
2001-10-05 14:06 ` Jes Sorensen
2001-10-06  8:06   ` Paul Mackerras
2001-10-06  8:38     ` David S. Miller
2001-10-06 12:18       ` Paul Mackerras
2001-10-06 14:45         ` James Bottomley
2001-10-06 16:51           ` Gérard Roudier
2001-10-06 17:23         ` Jes Sorensen
2001-10-07  2:13           ` Paul Mackerras
2001-10-07 17:40             ` Jes Sorensen
2001-10-07  7:21           ` Gérard Roudier
2001-10-07 16:23             ` James Bottomley
2001-10-07 18:24               ` Gérard Roudier
2001-10-07 23:02                 ` James Bottomley
2001-10-08 21:06                   ` Gérard Roudier
     [not found]       ` <mailman.1002371041.9232.linux-kernel2news@redhat.com>
2001-10-06 18:19         ` Pete Zaitcev
     [not found]   ` <mailman.1002355920.6872.linux-kernel2news@redhat.com>
2001-10-06 18:04     ` Pete Zaitcev
  -- strict thread matches above, loose matches on Subject: below --
2001-10-03 21:30 Manfred Spraul
2001-10-03 16:37 Linux Bigot
2001-10-03 19:32 ` Ben Collins
2001-10-03 21:11   ` Linux Bigot
2001-10-03 21:23     ` Ben Collins
2001-10-03 14:11 Linux Bigot
2001-10-03 15:25 ` Jes Sorensen

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