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From: Jeff Garzik <jgarzik@pobox.com>
To: Francois Romieu <romieu@fr.zoreil.com>
Cc: Andrew Morton <akpm@osdl.org>, Pasi Sjoholm <ptsjohol@cc.jyu.fi>,
	Hector Martin <hector@marcansoft.com>,
	OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,
	netdev@oss.sgi.com
Subject: Re: [PATCH 2.6.8-rc3-mm1 1/2] 8139too: Rx fifo/overflow recovery
Date: Wed, 11 Aug 2004 15:17:31 -0400	[thread overview]
Message-ID: <411A70CB.8060101@pobox.com> (raw)
In-Reply-To: <20040805234336.A15407@electric-eye.fr.zoreil.com>

Francois Romieu wrote:
> This patch allows to update the interrupt status register after an 
> Rx overflow or a Rx fifo error even when the Rx buffer contains no packet.
> As a side effect it saves a few heavy (i.e. flushed) pci ops per received
> packet when several packets are received at the same time.


You _want_ to update those registers on every packet.  Otherwise the 
crappy 8139 chip breaks.

	Jeff

  parent reply	other threads:[~2004-08-11 19:17 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-08-05 21:43 [PATCH 2.6.8-rc3-mm1 1/2] 8139too: Rx fifo/overflow recovery Francois Romieu
2004-08-05 21:45 ` [PATCH 2.6.8-rc3-mm1 2/2] 8139too: be sure to progress durin rtl8139_rx() Francois Romieu
2004-08-11 19:17 ` Jeff Garzik [this message]
2004-08-11 22:32   ` [PATCH 2.6.8-rc3-mm1 1/2] 8139too: Rx fifo/overflow recovery Francois Romieu
2004-08-11 22:56     ` Jeff Garzik
2004-08-12 20:28       ` Francois Romieu
2004-08-14 18:58         ` Pasi Sjoholm

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