From: David Miller <davem@davemloft.net>
To: therbert@google.com
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH v3] net: Allow no-cache copy from user on transmit
Date: Sun, 03 Apr 2011 22:03:05 -0700 (PDT) [thread overview]
Message-ID: <20110403.220305.71570981.davem@davemloft.net> (raw)
In-Reply-To: <alpine.DEB.2.00.1104032136540.5452@pokey.mtv.corp.google.com>
From: Tom Herbert <therbert@google.com>
Date: Sun, 3 Apr 2011 21:56:17 -0700 (PDT)
> This patch uses __copy_from_user_nocache on transmit to bypass data
> cache for a performance improvement. skb_add_data_nocache and
> skb_copy_to_page_nocache can be called by sendmsg functions to use
> this feature, initial support is in tcp_sendmsg. This functionality is
> configurable per device using ethtool.
...
> Signed-off-by: Tom Herbert <therbert@google.com>
Applied, thanks Tom.
next prev parent reply other threads:[~2011-04-04 5:03 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-04 4:56 [PATCH v3] net: Allow no-cache copy from user on transmit Tom Herbert
2011-04-04 5:03 ` David Miller [this message]
2011-04-04 5:23 ` David Miller
2011-04-04 15:10 ` Tom Herbert
2011-04-04 16:52 ` David Miller
2011-04-04 19:44 ` Tom Herbert
2011-04-04 20:05 ` David Miller
-- strict thread matches above, loose matches on Subject: below --
2011-03-31 5:04 Tom Herbert
2011-03-31 8:52 ` Michał Mirosław
2011-04-01 4:05 ` Tom Herbert
2011-04-02 3:49 ` David Miller
2011-04-02 3:52 ` David Miller
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