From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <dada1@cosmosbay.com>
Subject: Re: [PATCH] poll: Avoid extra wakeups in select/poll
Date: Tue, 28 Apr 2009 23:04:44 +0200
Message-ID: <49F76F6C.80005@cosmosbay.com>
References: <alpine.DEB.1.10.0904241554100.29995@qirst.com> <49F3308B.1030507@cosmosbay.com> <20090426.020411.157511269.davem@davemloft.net> <49F43B8F.2050907@cosmosbay.com> <87ab60rh8t.fsf@basil.nowhere.org> <49F71B63.8010503@cosmosbay.com> <alpine.DEB.1.10.0904281501300.13862@qirst.com> <49F76174.6060009@cosmosbay.com> <alpine.DEB.1.10.0904281612560.13862@qirst.com> <49F767FD.2040205@cosmosbay.com> <alpine.DEB.1.10.0904281629090.15947@qirst.com>
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Cc: linux kernel <linux-kernel@vger.kernel.org>,
	Andi Kleen <andi@firstfloor.org>,
	David Miller <davem@davemloft.net>, jesse.brandeburg@intel.com,
	netdev@vger.kernel.org, haoki@redhat.com, mchan@broadcom.com,
	davidel@xmailserver.org, Ingo Molnar <mingo@elte.hu>
To: Christoph Lameter <cl@linux.com>
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Christoph Lameter a =E9crit :
> On Tue, 28 Apr 2009, Eric Dumazet wrote:
>=20
>> The one that did improved your udpping 'bench' :)
>>
>> http://git2.kernel.org/?p=3Dlinux/kernel/git/davem/net-2.6.git;a=3Dc=
ommitdiff;h=3Dbf368e4e70cd4e0f880923c44e95a4273d725ab4
>=20
> Well yes that is git2p1. The measurements that we took showed not muc=
h of
> an effect as you see.
>=20

It depends of coalescing parameters of NIC.

BNX2 interrupts first handle TX completions, then RX events.
So If by the