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SubjectRe: [PATCH 1/2] IB/mad: Agent registration is process context only
On Fri, Jun 08, 2018 at 10:42:17AM -0700, Matthew Wilcox wrote:
> From: Matthew Wilcox <mawilcox@microsoft.com>
>
> 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>
> ---
> drivers/infiniband/core/mad.c | 16 +++++++++-------
> 1 file changed, 9 insertions(+), 7 deletions(-)

In the mean time, this patch is straightfoward, applied to the interm
for-next..

Jason

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