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authorJitendra Bhivare <jitendra.bhivare@avagotech.com>2016-01-20 14:10:56 +0530
committerMartin K. Petersen <martin.petersen@oracle.com>2016-02-23 21:27:02 -0500
commit1094cf68e801cdde7b65dc91fb8e9276af736176 (patch)
tree674cba14cd6faffa0ecc56e9b583fa57f3fed3b8 /include/scsi
parent23d7ccf134a49685aaae658e6623ef396ac76196 (diff)
be2iscsi: Fix IOPOLL implementation
OS not responding when running 2 port traffic on 72 CPUs system. be2iscsi IRQs gets affined to CPU0 when irqbalancer is disabled. be_iopoll processing completions in BLOCK_IOPOLL_SOFTIRQ hogged CPU0. 1. Use budget to exit the polling loop. beiscsi_process_cq didn't honour it. 2. Rearming of EQ is done only after iopoll completes. [mkp: Fixed up blk_iopoll -> irq_poll transition] Signed-off-by: Jitendra Bhivare <jitendra.bhivare@avagotech.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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