Re: Need advice how to fix an access to uninitialized per_cpu clock

2012-02-03 Thread Marcelo Tosatti
On Thu, Feb 02, 2012 at 12:43:00PM +0100, Igor Mammedov wrote: While playing with kvm cpu hot-plug, I've probably stumbled on general kernel bug. So I'm lookng for advice on approach to fix it. When kvm guest uses kvmclock, it may hang on cpu hot-plug at BSP:

Need advice how to fix an access to uninitialized per_cpu clock

2012-02-02 Thread Igor Mammedov
While playing with kvm cpu hot-plug, I've probably stumbled on general kernel bug. So I'm lookng for advice on approach to fix it. When kvm guest uses kvmclock, it may hang on cpu hot-plug at BSP: smp_apic_timer_interrupt ... - do_timer - update_wall_time