Messages in this thread | | | Date | Thu, 6 Jun 2019 16:19:50 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH 08/13] IB/iser: set virt_boundary_mask in the scsi host |
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On Thu, Jun 06, 2019 at 09:59:35AM -0300, Jason Gunthorpe wrote: > > Until we've sorted that out the device paramter needs to be set to > > the smallest value supported. > > smallest? largest? We've been setting it to the largest value the > device can handle (ie 2G)
Well, in general we need the smallest value supported by any ULP, because if any ULP can't support a larger segment size, we must not allow the IOMMU to merge it to that size. That being said I can't really see why any RDMA ULP should limit the size given how the MRs work.
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