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From: Stephen Hemminger <shemminger@vyatta.com>
To: Jarek Poplawski <jarkao2@gmail.com>
Cc: Michael Breuer <mbreuer@majjas.com>,
	David Miller <davem@davemloft.net>,
	mikem@ring3k.org, flyboy@gmail.com, rjw@sisk.pl,
	netdev@vger.kernel.org
Subject: Re: [PATCH] sky2: safer transmit ring cleaning (v4)
Date: Thu, 14 Jan 2010 09:52:54 -0800	[thread overview]
Message-ID: <20100114095254.5cf7faa0@nehalam> (raw)
In-Reply-To: <20100114101445.GA7210@ff.dom.local>

On Thu, 14 Jan 2010 10:14:45 +0000
Jarek Poplawski <jarkao2@gmail.com> wrote:

> This makes it safe, but it still resembles the "short term fix"
> according do David's opinion.
> 
> This change seems to affect dev->stats too. Since they are not
> updated in sky2_tx_clean(). Btw, I hope "&" is some optimization
> because it's less readable than "&&".

Stats don't matter for packets flushed during device reset.

The & is because in the most common case device is up,
and we don't want the additional conditional branch.

  parent reply	other threads:[~2010-01-14 17:53 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-10 22:27 2.6.33-rc3-git3: Reported regressions from 2.6.32 Rafael J. Wysocki
2010-01-10 22:32 ` [Bug #14925] sky2 panic under load Rafael J. Wysocki
2010-01-11  0:36   ` Berck E. Nash
2010-01-11 13:26     ` Jarek Poplawski
2010-01-11 19:32       ` Rafael J. Wysocki
2010-01-11 20:31         ` Jarek Poplawski
2010-01-11 20:50           ` Rafael J. Wysocki
2010-01-11 21:02           ` Berck E. Nash
2010-01-11 21:47             ` Jarek Poplawski
2010-01-11 14:03     ` Mike McCormack
2010-01-11 16:45       ` Stephen Hemminger
2010-01-11 22:07         ` Jarek Poplawski
2010-01-12  0:14           ` David Miller
2010-01-12  7:50             ` Jarek Poplawski
2010-01-12  8:08               ` David Miller
2010-01-12  8:56                 ` Jarek Poplawski
2010-01-12  9:42                   ` David Miller
2010-01-12 10:31                     ` Jarek Poplawski
2010-01-12 10:56                     ` David Miller
2010-01-12 11:04                       ` Jarek Poplawski
2010-01-12 15:39                       ` Stephen Hemminger
2010-01-12 16:15                       ` [PATCH] sky2: safer transmit ring cleaning Stephen Hemminger
2010-01-12 16:32                         ` Michael Breuer
2010-01-12 17:02                           ` Stephen Hemminger
2010-01-12 18:04                         ` Jarek Poplawski
2010-01-12 18:13                           ` Stephen Hemminger
2010-01-12 18:24                             ` Jarek Poplawski
2010-01-12 18:49                               ` [PATCH] sky2: safer transmit ring cleaning (v2) Stephen Hemminger
2010-01-12 19:16                                 ` Jarek Poplawski
2010-01-12 19:23                                   ` Stephen Hemminger
2010-01-12 19:50                                     ` Jarek Poplawski
2010-01-13  1:23                                       ` Stephen Hemminger
2010-01-12 19:34                                 ` Michael Breuer
2010-01-12 18:35                         ` [PATCH] sky2: safer transmit ring cleaning Michael Breuer
2010-01-12 18:42                           ` Michael Breuer
2010-01-12 20:31                             ` Michael Breuer
2010-01-13  4:10                               ` [PATCH] sky2: safer transmit ring cleaning (v3) Stephen Hemminger
2010-01-13  4:31                                 ` Michael Breuer
2010-01-13  7:35                                 ` Jarek Poplawski
2010-01-13 16:04                                 ` Michael Breuer
2010-01-14  3:41                                   ` [PATCH] sky2: safer transmit ring cleaning (v4) Stephen Hemminger
2010-01-14 10:14                                     ` Jarek Poplawski
2010-01-14 11:16                                       ` Jarek Poplawski
2010-01-14 11:20                                         ` David Miller
2010-01-14 11:26                                           ` Jarek Poplawski
2010-01-14 13:19                                             ` Mike McCormack
2010-01-14 15:43                                               ` Michael Breuer
2010-01-14 16:46                                               ` Michael Breuer
2010-01-14 17:51                                               ` Stephen Hemminger
2010-01-14 17:52                                       ` Stephen Hemminger [this message]
2010-01-14 23:51                                         ` Michael Breuer
2010-01-16 18:35                                           ` sky2 DHCPOFFER packet loss under load (Was Re: [PATCH] sky2: safer transmit ring cleaning (v4)) Michael Breuer
2010-01-14 15:46                                     ` [PATCH] sky2: safer transmit ring cleaning (v4) Michael Breuer
2010-01-11 22:31         ` [Bug #14925] sky2 panic under load Jarek Poplawski
2010-01-11 16:00 ` 2.6.33-rc3-git3: Reported regressions from 2.6.32 Luis R. Rodriguez
2010-01-11 21:47 ` Nick Bowler
2010-01-11 22:10   ` Rafael J. Wysocki
     [not found] ` <omZ8aBZReyD.A.rz.COlSLB@chimera>
2010-01-28 23:18   ` [PATCH net-2.6] cdc_ether: Partially revert "usbnet: Set link down initially ..." Ben Hutchings
2010-01-29  5:37     ` David Miller

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