netdev - Re: [PATCH v3] net: Allow no-cache copy from user on transmit

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20110401.204922.28812273.davem@davemloft.net>
Date:	Fri, 01 Apr 2011 20:49:22 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	therbert@...gle.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v3] net: Allow no-cache copy from user on transmit

From: Tom Herbert <therbert@...gle.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@...gle.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.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html