* [Linux-ia64] Re: [PATCH] 2.4.20 sba_iommu bug fix
@ 2003-04-16 23:30 Bjorn Helgaas
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From: Bjorn Helgaas @ 2003-04-16 23:30 UTC (permalink / raw)
To: linux-ia64
On Monday 31 March 2003 2:51 pm, Alex Williamson wrote:
>
> This patch ensures that iopdir updates are visible on the bus
> before we return a DMA mapping. Without this there is a small
> window where the chipset could fetch an invalid iodpir entry
> from memory. As Grant mentioned before, we've only seen this
> problem exposed with multiple tulip NICs under load. Bjorn,
> please apply. Working on something for 2.5... (more extensive
> updates) Thanks,
I applied this for 2.4.
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2003-04-16 23:30 [Linux-ia64] Re: [PATCH] 2.4.20 sba_iommu bug fix Bjorn Helgaas
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