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Date: Thu, 04 Jan 2007 08:07:10 -0600 From: Steve Wise <swise@...ngridcomputing.com> To: "Michael S. Tsirkin" <mst@...lanox.co.il> Cc: netdev@...r.kernel.org, Roland Dreier <rdreier@...co.com>, linux-kernel@...r.kernel.org, openib-general@...nib.org Subject: Re: [PATCH v4 01/13] Linux RDMA Core Changes On Thu, 2007-01-04 at 07:07 +0200, Michael S. Tsirkin wrote: > > If you think I should not add the udata parameter to the req_notify_cq() > > provider verb, then I can rework the chelsio driver: > > > > 1) at cq creation time, pass the virtual address of the u32 used by the > > library to track the current cq index. That way the chelsio kernel > > driver can save the address in its kernel cq context for later use. > > > > 2) change chelsio's req_notify_cq() to copy in the current cq index > > value directly for rearming. > > > > This puts all the burden on the chelsio driver, which is apparently the > > only one that needs this functionality. > > Good thinking, I haven't thought of this approach. > > This way there won't be any API/core changes and no changes to > other low level drivers, correct? And for chelsio, there's no overhead > as compared to code you posted. > > Sounds good. > I still want to hear from Roland on this before I go to the effort of reworking all this... Steve. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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