Robin Holt wrote:
> On Thu, Feb 14, 2008 at 09:09:08AM -0600, Steve Wise wrote:
>> Note that for T3, this involves suspending _all_ rdma connections that are
>> in the same PD as the MR being remapped. This is because the driver
>> doesn't know who the application a
Felix Marti wrote:
>
> That is correct, not a change we can make for T3. We could, in theory,
> deal with changing mappings though. The change would need to be
> synchronized though: the VM would need to tell us which mapping were
> about to change and the driver would then need to disable DMA to
Jason Gunthorpe wrote:
> On Tue, Feb 12, 2008 at 05:01:17PM -0800, Christoph Lameter wrote:
>> On Tue, 12 Feb 2008, Jason Gunthorpe wrote:
>>
>>> Well, certainly today the memfree IB devices store the page tables in
>>> host memory so they are already designed to hang onto packets during
>>> the pa
Roland Dreier wrote:
> [Adding [EMAIL PROTECTED] to get the IB/RDMA people involved]
>
> This thread has patches that add support for notifying drivers when a
> process's memory map changes. The hope is that this is useful for
> letting RDMA devices handle registered memory without pinning the
>