[Skiboot] [PATCH] Warn on long OPAL calls

[Stewart Smith]

Stewart Smith <stewart at linux.ibm.com> writes:
> Measure entry/exit time for OPAL calls and warn appropriately if the
> calls take too long (>100ms gets us a DEBUG log, > 1000ms gets us a
> warning).
>
> Signed-off-by: Stewart Smith <stewart at linux.ibm.com>

Merged to master as of 50ea35c2d07874755c03e6ae2bdf7a33ad2c768a.

Hopefully we see no instances of the warnings actually cropping up :)

-- 
Stewart Smith
OPAL Architect, IBM.