Messages in this thread | | | Subject | Re: [PATCH] xen-evtchn: Bind dyn evtchn:qemu-dm interrupt to next online VCPU | From | Anoob Soman <> | Date | Mon, 5 Jun 2017 10:54:40 +0100 |
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On 02/06/17 16:10, Juergen Gross wrote: > > I'd prefer the to have irq disabled from taking the lock until here. > This will avoid problems due to preemption and will be faster as it > avoids one irq on/off cycle. So: > > local_irq_disable(); > raw_spin_lock(); > ... > raw_spin_unlock(); > this_cpu_write(); > xen_rebind_evtchn_to_cpu(); > local_irq_enable(); > > > Juergen
Agreed, I will send a V2 with your suggestion.
-Anoob.
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