From: "David S. Miller" <davem@redhat.com>
To: ben@zeus.com
Cc: ak@suse.de, linux-kernel@vger.kernel.org
Subject: Re: TCP push missing with writev()
Date: Thu, 30 Nov 2000 15:01:39 -0800 [thread overview]
Message-ID: <200011302301.PAA07267@pizda.ninka.net> (raw)
In-Reply-To: <Pine.LNX.4.30.0011302238190.813-100000@bagpipe.bogo.bogus> (message from Ben Mansell on Thu, 30 Nov 2000 22:57:09 +0000 (GMT))
In-Reply-To: <Pine.LNX.4.30.0011302238190.813-100000@bagpipe.bogo.bogus>
Date: Thu, 30 Nov 2000 22:57:09 +0000 (GMT)
From: Ben Mansell <ben@zeus.com>
vector[ 1 ].iov_base = NULL;
vector[ 1 ].iov_len = 0;
"Don't do that" :-)
I'll doubt I will bother to fix it (it's not %100 trivial to fix and
it will put a cost into a hot path). Even if I did, you're going to
need to fix Zeus not to do writev's with empty iovec's like this so
that you get the PSH's in current kernels.
Later,
David S. Miller
davem@redhat.com
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next prev parent reply other threads:[~2000-11-30 23:47 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-30 17:35 Ben Mansell
2000-11-30 18:14 ` Andi Kleen
2000-11-30 18:54 ` Ben Mansell
2000-11-30 20:15 ` David S. Miller
2000-11-30 22:57 ` Ben Mansell
2000-11-30 23:01 ` David S. Miller [this message]
2000-12-01 0:15 ` Ben Mansell
2000-12-01 0:08 ` David S. Miller
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