On Fri, Aug 03, 2007 at 10:55:09AM -0700, Roland Dreier wrote:
> Looking at this further... does mlx4 need the same treatment for
> writing CQ doorbells?
Yes, looks like the same deal there. (I don't have any
mlx4 h/w, so didn't check that.)
>
> How about libmthca/libmlx4 in userspace?
>
Yes and yes. What do you think about using the new
"doorbell type" that was in the patch that started
this thread? For mthca it was defined like this:
union mthca_doorbell {
__be64 val64;
__be32 val32[2];
};
Or should we just add __attribute__ ((aligned(8))) to
all the "__be32 doorbell[2]", etc. definitions?
--
Arthur
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