Messages in this thread | | | Date | Tue, 02 Dec 2008 22:38:55 +0200 | From | Avi Kivity <> | Subject | Re: [BUG] kvm crashes in 2.6.28-rc6-00007-ged31348 |
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Steven Rostedt wrote: > The following must be available without recursion for the function > tracer to work: > > local_irq_save/restore > smp_processor_id > preempt_enable/disable_notrace > atomic_inc/dec >
In arch/x86/kvm/svm.c, function svm_vcpu_run(), everything between the vmrun instruction and the call to load_host_msrs() is executed without a live pda, so no smp_processor_id(). Could easily be fixed by rearranging things.
-- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.
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