[openib-general] Race in mthca_cmd_post()
John Partridge
johnip at sgi.com
Tue Oct 17 15:38:41 PDT 2006
I'm going back and comparing analyzer traces with the fix and without and the
machine doing an MCA.
John
Roland Dreier wrote:
> chas> i would guess the read to the mmio region is flushing the
> chas> writes to the config register but the read happens "too
> chas> soon" after those writes. on a more mundance computer, the
> chas> write/write/read probably wouldnt be batched together.
>
> config writes can't be posted though, so that doesn't make sense.
>
> - R.
--
John Partridge
Silicon Graphics Inc
Tel: 651-683-3428
Vnet: 233-3428
E-Mail: johnip at sgi.com
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