Messages in this thread | | | Subject | Re: TG3 data corruption (TSO ?) | From | "Michael Chan" <> | Date | Mon, 11 Sep 2006 09:08:51 -0700 |
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On Mon, 2006-09-11 at 15:52 +1000, Benjamin Herrenschmidt wrote:
> Looks like adding a sync to writel does fix it though... I'm trying to > figure out which specific writel in the driver makes a difference. I'll > then look into slicing those tcpdumps.
During runtime in the fast path, the only writel()'s we do in tg3 are to the tx mbox, rx_mbox, and the interrupt mbox. The interrupt mbox shouldn't matter that much since it has no dependencies on other memory writes before it.
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