scsi: lpfc: Reduce time spent in IRQ for received NVME commands

Removed unnecessary bzero of context area. Due to size of sg list, added
a substantial delay and played havoc on cpu caches.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c
index dba1bd216be3a9e64f90f3162c96bead1cd03953..431faa0a4f3edfaa57812d68f0314b0767698230 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -205,7 +205,6 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
                sid = sli4_sid_from_fc_hdr(fc_hdr);
 
                ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context;
-               memset(ctxp, 0, sizeof(ctxp->ctx));
                ctxp->wqeq = NULL;
                ctxp->txrdy = NULL;
                ctxp->offset = 0;
@@ -1422,7 +1421,6 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba,
                                "6414 NVMET Context corrupt %d %d oxid x%x\n",
                                ctxp->state, ctxp->entry_cnt, ctxp->oxid);
        }
-       memset(ctxp, 0, sizeof(ctxp->ctx));
        ctxp->wqeq = NULL;
        ctxp->txrdy = NULL;
        ctxp->offset = 0;