[PATCH v2 14/20] nvme-auth: check chap ctrl_key once constructed

Chaitanya Kulkarni chaitanyak at nvidia.com
Mon Nov 14 20:13:00 PST 2022


On 11/13/22 03:24, Sagi Grimberg wrote:
> ctrl ctrl_key member may be overwritten from a sysfs context driven
> by the user. Once a queue local copy was created, use that instead
> to minimize checks on a shared resource.
> 
> Signed-off-by: Sagi Grimberg <sagi at grimberg.me>
> ---

Since it is not in a fast path do we really have to care about the
performance impact on the shared resource locks ?

-ck



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