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From: David Miller <davem@davemloft.net>
To: hannes@stressinduktion.org
Cc: netdev@vger.kernel.org, therbert@google.com, jhs@mojatatu.com,
	edumazet@google.com, jeffrey.t.kirsher@intel.com,
	rusty@rustcorp.com.au, dborkman@redhat.com, brouer@redhat.com,
	john.r.fastabend@intel.com
Subject: Re: [PATCH 0/2] Get rid of ndo_xmit_flush
Date: Fri, 29 Aug 2014 20:22:10 -0700 (PDT)	[thread overview]
Message-ID: <20140829.202210.1424256004723217664.davem@davemloft.net> (raw)
In-Reply-To: <1409190174.27664.10.camel@localhost>

From: Hannes Frederic Sowa <hannes@stressinduktion.org>
Date: Thu, 28 Aug 2014 03:42:54 +0200

> I wonder if we still might need a separate call for tx_flush, e.g. for
> af_packet if one wants to allow user space control of batching, MSG_MORE
> with tx hangcheck (also in case user space has control over it) or
> implement TCP_CORK alike option in af_packet.

I disagree with allowing the user to hold a device TX queue hostage
across system calls, therefore the user should provide the entire
batch in such a case.

  reply	other threads:[~2014-08-30  3:22 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-25 23:34 [PATCH 0/2] Get rid of ndo_xmit_flush David Miller
2014-08-26  6:28 ` Jesper Dangaard Brouer
2014-08-26 10:13   ` Jesper Dangaard Brouer
2014-08-26 12:52     ` Jesper Dangaard Brouer
2014-08-26 16:43       ` Alexander Duyck
2014-08-27  7:48         ` Jesper Dangaard Brouer
2014-08-27  8:37           ` Jesper Dangaard Brouer
2014-08-26 14:40     ` Jamal Hadi Salim
2014-09-01  0:37     ` Rusty Russell
2014-08-27 12:19 ` Jesper Dangaard Brouer
2014-08-27 20:43   ` David Miller
2014-08-27 12:31 ` Hannes Frederic Sowa
2014-08-27 13:23   ` Eric Dumazet
2014-08-27 13:56     ` Jesper Dangaard Brouer
2014-08-27 14:09       ` Eric Dumazet
2014-08-27 20:48       ` David Miller
2014-08-27 20:46     ` David Miller
2014-08-27 20:45   ` David Miller
2014-08-28  1:42     ` Hannes Frederic Sowa
2014-08-30  3:22       ` David Miller [this message]
2014-08-30 10:23         ` Jesper Dangaard Brouer
2014-09-01 20:05         ` Hannes Frederic Sowa
2014-09-01 21:56           ` David Miller
2014-09-01 22:31             ` Hannes Frederic Sowa
2014-09-01 22:35               ` David Miller
2014-08-27 18:28 ` Cong Wang
2014-08-27 19:31   ` Tom Herbert
2014-08-27 20:53     ` David Miller
2014-08-27 20:51   ` David Miller

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