Searched hist:"5 e2d6764" (Results 1 – 2 of 2) sorted by relevance
/openbmc/linux/drivers/infiniband/hw/hfi1/ |
H A D | intr.c | 5e2d6764 Mon Jul 24 09:46:36 CDT 2017 Alex Estrin <alex.estrin@intel.com> IB/hfi1: Verify port data VLs credits on transition to Armed
There is a window where the FM can read the buffer control table and decide not to program buffers. When a port goes down, the code clears the table and if it is not programmed, posted SDMA descriptors will never complete due to no buffer credits.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Alex Estrin <alex.estrin@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com> 5e2d6764 Mon Jul 24 09:46:36 CDT 2017 Alex Estrin <alex.estrin@intel.com> IB/hfi1: Verify port data VLs credits on transition to Armed There is a window where the FM can read the buffer control table and decide not to program buffers. When a port goes down, the code clears the table and if it is not programmed, posted SDMA descriptors will never complete due to no buffer credits. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Alex Estrin <alex.estrin@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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H A D | chip.c | 5e2d6764 Mon Jul 24 09:46:36 CDT 2017 Alex Estrin <alex.estrin@intel.com> IB/hfi1: Verify port data VLs credits on transition to Armed
There is a window where the FM can read the buffer control table and decide not to program buffers. When a port goes down, the code clears the table and if it is not programmed, posted SDMA descriptors will never complete due to no buffer credits.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Alex Estrin <alex.estrin@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com> 5e2d6764 Mon Jul 24 09:46:36 CDT 2017 Alex Estrin <alex.estrin@intel.com> IB/hfi1: Verify port data VLs credits on transition to Armed There is a window where the FM can read the buffer control table and decide not to program buffers. When a port goes down, the code clears the table and if it is not programmed, posted SDMA descriptors will never complete due to no buffer credits. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Alex Estrin <alex.estrin@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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