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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Re: [PATCH] x86: fix the potential of encounteringpanic "IO-APIC + timer doesn't work! ..."
>>> Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 12.12.08 10:37 >>> >On 12/12/2008 09:24, "Ingo Molnar" <mingo@xxxxxxx> wrote: > >>>> note that we had to revert that eventually. The real solution is an >>>> array of fixes from Maciej spread out over many months. >>> >>> Does it do more harm than good on some systems, or is it simply not a >>> comprehensive fix? >> >> more harm than good - fixes some, breaks others. Have a look at the >> latest upstream io_apic.c, that has it all settled down reasonably well. > >Thanks, Ingo. > >Jan: Do you agree we should revert the io_apic.c changes, but keep your >addition of an explicit local_irq_enable() to __start_xen()? No, please don't until Ingo clarified his indication of this having got reverted (see my other response to him). I really can't see why properly enabling/disabling interrupts in that code could do any harm. Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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