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2011 Dec 06
1
Re: [RFC/RFT][PATCH 0 of 3] rework locking in sched_adjust
...convenience.
Hey Dario, sorry for the long delay in responding.
Overall the patch series looks good to me. The only issue I see is
that it looks like you introduce a regression between patch 2 and 3 --
that is, if you apply patches 1 and 2, but not 3, then the lock you
grab in sched_sedf.c:sedf_adjust() won''t protect against concurrent
accesses from other vcpus; nor will it correctly handle updates to the
per-vcpu EDOM_INFO() variables.
Regressions in mid-patch series are bad because it can mess up bisection.
I think a better way of breaking it down would be:
* Add scheduler global lo...