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From: Joe Perches <joe@perches.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Denys Fedoryshchenko <denys@visp.net.lb>,
	e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org,
	jesse.brandeburg@intel.com, davem@davemloft.net,
	Tom Herbert <therbert@google.com>
Subject: Re: Strange latency spikes/TX network stalls on Sun Fire X4150(x86) and e1000e
Date: Wed, 30 May 2012 04:20:17 -0700	[thread overview]
Message-ID: <1338376817.32113.5.camel@joe2Laptop> (raw)
In-Reply-To: <1338376107.2760.156.camel@edumazet-glaptop>

On Wed, 2012-05-30 at 13:08 +0200, Eric Dumazet wrote:
> Maybe we should change all POSDIFF(), not selected ones.
> #define POSDIFF(A, B) ((int)((A) - (B)) > 0 ? (A) - (B) : 0)

maybe use an eval once statement expression macro
({
	typeof (A) _a = (A);
	typeof (B) _b = (B);
	((int)(_a - _b) > 0 ? _a - _b : 0;
})



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  reply	other threads:[~2012-05-30 11:20 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-15 14:15 Strange latency spikes/TX network stalls on Sun Fire X4150(x86) and e1000e Denys Fedoryshchenko
2012-05-17 13:42 ` Denys Fedoryshchenko
2012-05-17 16:54   ` Denys Fedoryshchenko
2012-05-18 14:04     ` Denys Fedoryshchenko
2012-05-19  2:07       ` Tom Herbert
2012-05-19  2:29         ` Denys Fedoryshchenko
2012-05-19  2:40         ` Denys Fedoryshchenko
2012-05-20 17:40           ` Tom Herbert
2012-05-20 18:53             ` Denys Fedoryshchenko
2012-05-20 19:07               ` Eric Dumazet
2012-05-20 19:18                 ` Denys Fedoryshchenko
2012-05-21  3:56                   ` Eric Dumazet
2012-05-21  8:06                     ` Denys Fedoryshchenko
2012-05-21  8:30                       ` Eric Dumazet
2012-05-21  8:40                         ` Eric Dumazet
2012-05-21  9:22                           ` Denys Fedoryshchenko
2012-05-22 17:11                           ` Denys Fedoryshchenko
2012-05-22 17:24                             ` Eric Dumazet
2012-05-25  6:01                               ` Tom Herbert
2012-05-25  6:22                                 ` Eric Dumazet
2012-05-25 16:59                                   ` Tom Herbert
2012-05-25 17:18                                     ` Eric Dumazet
2012-05-29 14:25             ` Hiroaki SHIMODA
2012-05-29 14:54               ` Tom Herbert
2012-05-29 15:11                 ` Eric Dumazet
2012-05-29 19:52                 ` Denys Fedoryshchenko
2012-05-30  0:06                 ` Hiroaki SHIMODA
2012-05-30  8:40                   ` Eric Dumazet
2012-05-30 10:43                     ` Hiroaki SHIMODA
2012-05-30 11:08                       ` Eric Dumazet
2012-05-30 11:20                         ` Joe Perches [this message]
2012-05-30 11:59                           ` Eric Dumazet
2012-05-30 14:09                             ` Joe Perches
2012-05-30 14:42                               ` Eric Dumazet
2012-05-30 14:50                                 ` Joe Perches
2012-05-30 11:29                         ` Hiroaki SHIMODA
2012-05-30 14:49                           ` Eric Dumazet
2012-05-30 15:00                             ` dave taht
2012-05-30 22:19                             ` Hiroaki SHIMODA
2012-05-30 10:52                     ` David Laight
2012-05-30 11:04                       ` Eric Dumazet
2012-05-30 11:12                         ` Eric Dumazet
2012-06-06  5:10               ` Eric Dumazet
2012-06-06  8:43                 ` Hiroaki SHIMODA
2012-06-06 16:26                   ` Jesse Brandeburg
2012-06-06 17:05                     ` Eric Dumazet
2012-06-06 17:26                       ` David Miller
2012-06-06 17:19                     ` Hiroaki SHIMODA
2012-06-06 18:21                       ` Tom Herbert
2012-06-06 18:23                         ` David Miller
2012-06-06 18:46                           ` Stephen Hemminger
2012-05-20 18:13       ` Eric Dumazet

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