Messages in this thread | | | From | "Peter T. Breuer" <> | Subject | Re: Kernel deadlock using nbd over acenic driver. | Date | Thu, 16 May 2002 18:45:29 +0200 (MET DST) |
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"Oliver Xymoron wrote:" > On Thu, 16 May 2002, Peter T. Breuer wrote: > > Any way of making sure that send_msg on the socket can always get the > > (known a priori) buffers it needs? > > Not at present. Note that we also need reservations on the receive side > for ACK handling which is "interesting".
One thing at a time. What if there is a zone "ceiling" that we keep lowered exactly until it is time for the process that does the send_msg to run, when we raise the ceiling. (I don't know how this VM stuff works in detail inside - this is an invitation to list the objections). The scheduler could presumably be trained to muck with the ceilings according to flags on the process (task?) structs.
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