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From: David Miller <davem@davemloft.net>
To: alexei.starovoitov@gmail.com
Cc: danny.zhou@intel.com, willemb@google.com,
	john.fastabend@gmail.com, dborkman@redhat.com, fw@strlen.de,
	gerlitz.or@gmail.com, hannes@stressinduktion.org,
	netdev@vger.kernel.org, john.ronciak@intel.com,
	amirv@mellanox.com, eric.dumazet@gmail.com
Subject: Re: [net-next PATCH v1 1/3] net: sched: af_packet support for direct ring access
Date: Tue, 07 Oct 2014 13:01:27 -0400 (EDT)	[thread overview]
Message-ID: <20141007.130127.2186178418361529001.davem@davemloft.net> (raw)
In-Reply-To: <CAADnVQJf8jtRr3xBdSOt_X188Xkkg0EnxVd+gh6ruTMjc9jOHg@mail.gmail.com>

From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Date: Tue, 7 Oct 2014 09:33:04 -0700

> I guess that's great for DPDK users, but I don't think it's good for
> linux.

Any use of a piece of hardware is fine with me, personally, as long
as adequate protections are in place.

If it's just a descriptor ring in software and a doorbell to trigger
a refetch of the head and tail pointers, with appropriate protection
and control of the memory attached to the ring, I don't see how I
could object to such a facility.

  parent reply	other threads:[~2014-10-07 17:01 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-07 16:33 [net-next PATCH v1 1/3] net: sched: af_packet support for direct ring access Alexei Starovoitov
2014-10-07 16:46 ` Zhou, Danny
2014-10-07 17:01 ` David Miller [this message]
  -- strict thread matches above, loose matches on Subject: below --
2014-10-06  0:06 John Fastabend
2014-10-06  0:29 ` Florian Westphal
2014-10-06  1:09   ` David Miller
2014-10-06  1:18     ` John Fastabend
2014-10-06  1:12   ` John Fastabend
2014-10-06  9:49     ` Daniel Borkmann
2014-10-06 15:01       ` John Fastabend
2014-10-06 16:35         ` Jesper Dangaard Brouer
2014-10-06 17:03         ` Hannes Frederic Sowa
2014-10-06 20:37           ` John Fastabend
2014-10-06 23:26             ` Hannes Frederic Sowa
2014-10-07 18:59               ` Neil Horman
2014-10-08 17:20                 ` John Fastabend
2014-10-06 16:55 ` Stephen Hemminger
2014-10-06 20:42   ` John Fastabend
2014-10-06 21:42 ` David Miller
2014-10-07  4:25   ` John Fastabend
2014-10-07  4:24 ` Willem de Bruijn
2014-10-07  9:27   ` David Laight
2014-10-07 15:43     ` David Miller
2014-10-07 15:59       ` David Laight
2014-10-07 16:08         ` David Miller
2014-10-07 15:21   ` Zhou, Danny
2014-10-07 15:46     ` Willem de Bruijn
2014-10-07 15:55       ` John Fastabend
2014-10-07 16:06         ` Zhou, Danny
2014-10-07 16:05     ` David Miller
2014-10-10  3:49       ` Zhou, Danny

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