Messages in this thread | | | Date | Wed, 13 Mar 2002 08:40:26 -0800 | From | "Martin J. Bligh" <> | Subject | Re: [PATCH] Support for assymmetric SMP |
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>> Actually I know of at least one dual P4 Xeon board where I >> haven't seen anything except IPI go to the second cpu. > > Expect that to occur. The random distribution stuff doesn't seem to be a > feature of all pentium IV systems. Ie this bug does want fixing
Dave Olien published a patch which will make this issue much better for P4 - setting the TPR so we route interrupts according to how important the processors current work is. Should alleviate the "dump everything on one CPU" P4ness.
Would still be nice to fix this though.
M.
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