| To: | Francois Romieu <romieu@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH 2.6.8-rc3-mm1 1/2] 8139too: Rx fifo/overflow recovery |
| From: | Jeff Garzik <jgarzik@xxxxxxxxx> |
| Date: | Wed, 11 Aug 2004 15:17:31 -0400 |
| Cc: | Andrew Morton <akpm@xxxxxxxx>, Pasi Sjoholm <ptsjohol@xxxxxxxxx>, Hector Martin <hector@xxxxxxxxxxxxxx>, OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>, netdev@xxxxxxxxxxx |
| In-reply-to: | <20040805234336.A15407@xxxxxxxxxxxxxxxxxxxxxxxxxx> |
| References: | <20040805234336.A15407@xxxxxxxxxxxxxxxxxxxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040510 |
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
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