From: Olof Johansson <olof@lixom.net>
To: Chris Leech <christopher.leech@intel.com>
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH 1/9] [I/OAT] DMA memcpy subsystem
Date: Thu, 25 May 2006 11:09:52 -0700 [thread overview]
Message-ID: <20060525180952.GD9867@pb15.lixom.net> (raw)
In-Reply-To: <20060525175940.GB9867@pb15.lixom.net>
On Thu, May 25, 2006 at 10:59:40AM -0700, Olof Johansson wrote:
> Is there a specific reason for why you chose to export 3 different
> memcpu calls? They're all just wrapped to the same internals.
>
> It would seem to make sense to have the client do their own
> page_address(page) + offset calculations and just export one function?
Nevermind. I'm too used to 64-bit environments where all memory is
always addressable to the kernel. There's obvious reasons to do it on
32-bit platforms to avoid the extra kernel mapping.
-Olof
next prev parent reply other threads:[~2006-05-25 18:11 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-24 0:16 [PATCH 0/9] I/OAT repost Chris Leech
2006-05-24 0:20 ` [PATCH 1/9] [I/OAT] DMA memcpy subsystem Chris Leech
2006-05-24 0:48 ` Andrew Morton
2006-05-24 6:31 ` Nathan Lynch
2006-05-24 0:51 ` Andrew Morton
2006-05-25 17:59 ` Olof Johansson
2006-05-25 18:09 ` Olof Johansson [this message]
2006-05-24 0:20 ` [PATCH 2/9] [I/OAT] Driver for the Intel(R) I/OAT DMA engine Chris Leech
2006-05-24 0:56 ` Andrew Morton
2006-05-25 18:00 ` Olof Johansson
2006-05-30 23:27 ` Adrian Bunk
2006-05-24 0:20 ` [PATCH 3/9] [I/OAT] Setup the networking subsystem as a DMA client Chris Leech
2006-05-24 1:13 ` David Miller
2006-05-24 0:20 ` [PATCH 4/9] [I/OAT] Utility functions for offloading sk_buff to iovec copies Chris Leech
2006-05-24 0:20 ` [PATCH 5/9] [I/OAT] Structure changes for TCP recv offload to I/OAT Chris Leech
2006-05-24 0:20 ` [PATCH 6/9] [I/OAT] Rename cleanup_rbuf to tcp_cleanup_rbuf and make non-static Chris Leech
2006-05-24 0:20 ` [PATCH 7/9] [I/OAT] make sk_eat_skb I/OAT aware Chris Leech
2006-05-24 0:20 ` [PATCH 8/9] [I/OAT] Add a sysctl for tuning the I/OAT offloaded I/O threshold Chris Leech
2006-05-24 1:02 ` Andrew Morton
2006-05-24 0:20 ` [PATCH 9/9] [I/OAT] TCP recv offload to I/OAT Chris Leech
2006-05-24 0:22 ` [PATCH 0/9] I/OAT repost David Miller
-- strict thread matches above, loose matches on Subject: below --
2006-05-08 22:16 [PATCH 0/9] I/OAT network recv copy offload Chris Leech
2006-05-08 22:17 ` [PATCH 1/9] [I/OAT] DMA memcpy subsystem Chris Leech
2006-03-29 22:55 [PATCH 0/9] I/OAT Chris Leech
2006-03-29 22:55 ` [PATCH 1/9] [I/OAT] DMA memcpy subsystem Chris Leech
2006-03-30 8:01 ` Kumar Gala
2006-03-30 18:36 ` Andrew Grover
2006-03-30 19:57 ` Kumar Gala
2006-03-31 8:26 ` Ingo Oeser
2006-03-31 20:04 ` Andrew Grover
2006-03-31 20:06 ` Kumar Gala
2006-03-31 20:27 ` Andrew Grover
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