Messages in this thread | | | Date | Sun, 25 May 2008 14:19:21 +0100 | From | Alan Cox <> | Subject | Re: [PATCH] x86: enable preemption in delay |
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> And what happens when we have 10GHz boxes that can do migration in 1us, > and the delay that is asked for is 2us. We can return early. I don't like > to place assumptions of this kind that can hurt with future hardware > enhancements.
Then in the hypothetical future you fix it, and for now its clearly documented. Th preempt botch in the current tree breaks all sorts of existing real world setups so needs to go. (and we have people who do stuff like mdelay(150);
Alan
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