Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addressranges

[Andrea Arcangeli]

On Wed, Feb 27, 2008 at 04:14:08PM -0800, Christoph Lameter wrote:
> Erm. This would also be needed by RDMA etc.

The only RDMA I know is Quadrics, and Quadrics apparently doesn't need
to schedule inside the invalidate methods AFIK, so I doubt the above
is true. It'd be interesting to know if IB is like Quadrics and it
also doesn't require blocking to invalidate certain remote mappings.
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