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Commit 8049da6f authored by Nitesh Narayan Lal's avatar Nitesh Narayan Lal Committed by Thomas Gleixner
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scsi: megaraid_sas: Use irq_set_affinity_and_hint()



The driver uses irq_set_affinity_hint() specifically for the high IOPS
queue interrupts for two purposes:

 - To set the affinity_hint which is consumed by the userspace for
   distributing the interrupts

 - To apply an affinity that it provides

The driver enforces its own affinity to bind the high IOPS queue interrupts
to the local NUMA node. However, irq_set_affinity_hint() applying the
provided cpumask as an affinity for the interrupt is an undocumented side
effect.

To remove this side effect irq_set_affinity_hint() has been marked
as deprecated and new interfaces have been introduced. Hence, replace the
irq_set_affinity_hint() with the new interface irq_set_affinity_and_hint()
where the provided mask needs to be applied as the affinity and
affinity_hint pointer needs to be set and replace with
irq_update_affinity_hint() where only affinity_hint needs to be updated.

Change the megasas_set_high_iops_queue_affinity_hint function name to
megasas_set_high_iops_queue_affinity_and_hint to clearly indicate that the
function is setting both affinity and affinity_hint.

Signed-off-by: default avatarNitesh Narayan Lal <nitesh@redhat.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarSumit Saxena <sumit.saxena@broadcom.com>
Link: https://lore.kernel.org/r/20210903152430.244937-5-nitesh@redhat.com
parent d34c54d1
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