[PATCH] IB/ehca: Allocate event queue size depending on max number of CQs and QPs

Signed-off-by: Stefan Roscher stefan.roscher at de.ibm.com --- drivers/infiniband/hw/ehca/ehca_classes.h |5 drivers/infiniband/hw/ehca/ehca_cq.c | 10 drivers/infiniband/hw/ehca/ehca_main.c| 36 +++- drivers/infiniband/hw/ehca/ehca_qp.c

Re: [PATCH] IB/ehca: Allocate event queue size depending on max number of CQs and QPs

Signed-off-by: Stefan Roscher stefan.roscher at de.ibm.com Kind of an inadequate changelog ;) Is this a fix or an enhancement or what? +if (atomic_read(shca-num_cqs) = ehca_max_cq) { +if (atomic_read(shca-num_qps) = ehca_max_qp) { These are racy in the sense that multiple

[REPOST][PATCH] IB/ehca: Allocate event queue size depending on max number of CQs and QPs

If a lot of QPs fall into Error state at once and the EQ of the respective HCA is too small, it might overrun, causing the eHCA driver to stop processing completion events and call application software's completion handlers, effectively causing traffic to stop. Fix this by limiting available QPs

Re: [REPOST][PATCH] IB/ehca: Allocate event queue size depending on max number of CQs and QPs

thanks, makes sense, applied. fast turnaround too ;) ___ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev