Messages in this thread | | | Subject | RE: Updated MSI Patches | Date | Thu, 14 Aug 2003 16:46:45 -0700 | From | "Nguyen, Tom L" <> |
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On Tue, 12 Aug 2003, Nguyen, Tom L wrote: > > IMO Multiplexing would be preferred, we can't be allocating that many > > vectors for one device/device driver > All pre-assigned vectors to all enabled IOxAPIC(s) are reserved. > Allocating additional vectors to MSI-X driver is determined based on the > available vectors, which must be greater than the number of vectors requested > by MSI-X driver.
>Hmm can you avoid grabbing all the free vectors? I think the irq >controller subsystem should handle allocation of vectors. Letting MSI grab >everything might leave us with problems later on. Good point. Thanks! we are studying the policy, which ensures that no MSI-X can grab everything from others. Will post this changes after done ...
Thanks, Long
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