Re: [patch 4/5] xen: Validate online cpus in set_affinity

2014-03-05 Thread David Vrabel
On 04/03/14 20:43, Thomas Gleixner wrote: > The user space interface does not filter out offline cpus. It merily > verifies that the mask contains at least one online cpu. So the > selector in the irq chip implementation needs to make sure to pick > only an online cpu because otherwise: > > O

[patch 4/5] xen: Validate online cpus in set_affinity

2014-03-04 Thread Thomas Gleixner
The user space interface does not filter out offline cpus. It merily verifies that the mask contains at least one online cpu. So the selector in the irq chip implementation needs to make sure to pick only an online cpu because otherwise: Offline Core 1 Set affinity to 0xe Selector w