on 22/11/2010 16:24 John Baldwin said the following: > Well, the real solution is actually larger than described in the PR. What > you > really want to do is take the logical CPUs offline when they are "halted". > Taking a CPU offline should trigger an EVENTHANDLER that various bits of code > could invoke. In the case of platforms that support binding interrupts to > CPUs (x86 and sparc64 at least), they would install an event handler that > searches the MD interrupt tables (e.g. the interrupt_sources[] array on x86) > and move bound interrupts to other CPUs. However, I think all the interrupt > bits will be MD, not MI.
That's a good idea and a comprehensive approach. One minor technical detail - should an offlined CPU be removed from all_cpus mask/set? -- Andriy Gapon _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[email protected]"
