scsi: cxlflash: Implement IRQ polling for RRQ processing

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Currently, RRQ processing takes place on hardware interrupt context. This can
be a heavy burden in some environments due to the overhead encountered while
completing RRQ entries. In an effort to improve system performance, use the
IRQ polling API to schedule this processing on softirq context.

This function will be disabled by default until starting values can be
established for the hardware supported by this driver.

Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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Matthew R. Ochs 2017-04-12 14:13:20 -05:00 • committed by Martin K. Petersen

parent f918b4a8e6

commit cba06e6de4

2 changed files with 127 additions and 4 deletions

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8

drivers/scsi/cxlflash/common.h

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123

drivers/scsi/cxlflash/main.c

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