Kevin Hilman had written, on 11/19/2010 02:55 PM, the following:
[...]
Now, based on what you say below, it seems like there is no way to
guarantee that SMIs don't do this, so I guess we have no choice but to
protect them all.
In that way, I do like the patch from Santosh - with the relevant
changes we will need to incorporate. Do keep in mind that SMI is a
secure service - In theory, there could be(and to my knowledge, are)
custom secure services to do all kind of other things that are not power
management related[1] - The only area we can protect is the one in idle/
power paths.
[..]
Ref:
[1]http://groups.google.com/group/pandaboard/browse_thread/thread/b9a28cab32e10fd2/067acd6b61c1e9fa
--
Regards,
Nishanth Menon
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