IB/mad: Agent registration is process context only

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Document this (it's implicitly true due to sleeping operations already
in use in both registration and deregistration).  Use this fact to use
spin_lock_irq instead of spin_lock_irqsave.  This improves performance
slightly.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

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Matthew Wilcox 2018-06-08 10:42:17 -07:00 • committed by Jason Gunthorpe

parent 7f3ee8e030

commit 0c271c433c

1 changed files with 9 additions and 7 deletions

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16

drivers/infiniband/core/mad.c

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