[RFC PATCH 2/2] s390/klp: update task universe when exiting kernel

2016-04-18 Thread Miroslav Benes
Update a tasks's universe when returning from a system call or user space interrupt, or after handling a signal. This greatly increases the chances of a patch operation succeeding. If a task is I/O bound, it can switch universes when returning from a system call. If a task is CPU bound, it can

[RFC PATCH 2/2] s390/klp: update task universe when exiting kernel

2016-04-18 Thread Miroslav Benes
Update a tasks's universe when returning from a system call or user space interrupt, or after handling a signal. This greatly increases the chances of a patch operation succeeding. If a task is I/O bound, it can switch universes when returning from a system call. If a task is CPU bound, it can