Re: [Fdutils] DMA cache consistency bug introduced in 2.6.28

[alain]

Pallipadi, Venkatesh wrote:
> MSI interrupt being delivered to CPU 0. I cannot think of any reason why
> this can break dma. We can probably try adding some dummy HPET read
> after dma write, to see if that flushes things properly.

Shouldn't that be "... some dummy HPET read _before_ dma write...". In
order to ensure that DMA cache is consistent _before_ dma controller
reads it?

Regards,

Alain
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