Messages in this thread | | | Subject | Re: [PATCH] [CPU-HOTPLUG] convert cpucontrol to be a rwsem | From | Rusty Russell <> | Date | Thu, 04 Nov 2004 12:57:17 +1100 |
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On Tue, 2004-11-02 at 23:28 +0100, Dominik Brodowski wrote: > Except that we don't want to (and can't[*]) disable preemption in the > cpufreq case. Therefore, we __need__ to disable CPU hotplug specifically, > and not meddle with other issues like preemption, scheduling, CPUs which are > in the allowed_map, and so on. So back to the original patch: Rusty, do you > agree with it?
Sure. I consider it a trivial change. The reason it wasn't a rwsem in the first place is that there weren't many places which needed to grab it, and none were time-sensitive.
Thanks! Rusty. -- A bad analogy is like a leaky screwdriver -- Richard Braakman
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