fbbeb8632b
The current code is problematic when the QP creation and ipoib is used to support NFS and NFS desires to do IO for paging purposes. In that case, the GFP_KERNEL allocation in qib_qp.c causes a deadlock in tight memory situations. This fix adds support to create queue pair with GFP_NOIO flag for connected mode only to cleanly fail the create queue pair in those situations. Cc: <stable@vger.kernel.org> # 3.16+ Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Vinit Agnihotri <vinit.abhay.agnihotri@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com> |
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