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: Fri, 01 Apr 2011 20:49:22 -0700 (PDT) [thread overview]
Message-ID: <20110401.204922.28812273.davem@davemloft.net> (raw)
In-Reply-To: <alpine.DEB.2.00.1103302156270.17065@pokey.mtv.corp.google.com>
From: Tom Herbert <therbert@google.com>
Date: Wed, 30 Mar 2011 22:04:32 -0700 (PDT)
> This patch uses __copy_from_user_nocache (from skb_copy_to_page)
> on transmit to bypass data cache for a performance improvement.
> This functionality is configurable per device using ethtool.
...
> Signed-off-by: Tom Herbert <therbert@google.com>
It's early in net-next-2.6, so I've applied this now and we can
add any fixups and tweaks as needed.
next prev parent reply other threads:[~2011-04-02 3:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-31 5:04 [PATCH v3] net: Allow no-cache copy from user on transmit Tom Herbert
2011-03-31 8:52 ` Michał Mirosław
2011-04-01 4:05 ` Tom Herbert
2011-04-02 3:49 ` David Miller [this message]
2011-04-02 3:52 ` David Miller
-- strict thread matches above, loose matches on Subject: below --
2011-04-04 4:56 Tom Herbert
2011-04-04 5:03 ` David Miller
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
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