[openib-general] Re: [PATCH] mad: add GID/class checking for matching received to sent MADs

[Michael S. Tsirkin]

Quoting r. Sean Hefty <mshefty at ichips.intel.com>:
> Subject: Re: [PATCH] mad: add GID/class checking for matching received to sent MADs
> 
> Michael S. Tsirkin wrote:
> >>If the driver is caching the memory anyway, couldn't it just store the 
> >>data in the ah, rather than some private structure?
> >
> >No, because its keeping it in hardware format.
> 
> Is there a particular reason it needs it cached in this format?

Yes, hardware reads the address handle from memory when processing
UD work requests.

-- 
Michael S. Tsirkin
Staff Engineer, Mellanox Technologies