On Mon, 2012-07-16 at 08:07 +, Thomas Gleixner wrote:
I know you are on vacation (hope you are enjoying yourself ;-)
> ---
> include/linux/sched.h |7 ++
> kernel/cpu.c | 236
> +
> kernel/sched/core.c | 82 +
Bringing a CPU down is a pain with the PREEMPT_RT kernel because
tasks can be preempted in many more places than in non-RT. In
order to handle per_cpu variables, tasks may be pinned to a CPU
for a while, and even sleep. But these tasks need to be off the CPU
if that CPU is going down.
Several sync
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