Sun's IB group has asked me to forward the following email to see if
anyone has any comments on this email.
thanks,
--td
> Subject:
> strong ordering for data registered memory
> From:
> David Brean <David.Brean_at_[hidden]>
> Date:
> Tue, 10 Nov 2009 15:19:26 -0500
>
> To:
> linux-rdma <linux-rdma_at_[hidden]>
>
>
> Some time ago there was an email sent to this group with the subject
> "weak ordering for data registered memory". I don't recall any action
> resulting from this thread. So, I have a question. If a bit were
> defined to specify "strong ordering", perhaps as a "access" flag (see
> ibv_access_flags) and used with ibv_reg_mr(), would that be sufficient
> for (1) client applications that need a HW "guarantee" of writing the
> last byte of an RDMA last and (2) platform implementations that need
> to deliver that feature?
>
> -David
>
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