Re: [PATCH v3 1/2] cpumask: introduce cpumask for hotpluggable CPUs

2011-08-11 Thread Peter Zijlstra
On Thu, 2011-08-11 at 12:54 -0700, Mike Turquette wrote: > On some platforms it is possible to have some CPUs which support CPU > hotplug and some which do not. Currently the prescence of an 'online' > sysfs entry in userspace is adequate for applications to know that a CPU > supports hotplug, but

[PATCH v3 1/2] cpumask: introduce cpumask for hotpluggable CPUs

2011-08-11 Thread Mike Turquette
On some platforms it is possible to have some CPUs which support CPU hotplug and some which do not. Currently the prescence of an 'online' sysfs entry in userspace is adequate for applications to know that a CPU supports hotplug, but there is no convenient way to make the same determination in the