Re: [RFC PATCH v1.9 14/14] livepatch: update task universe when exiting kernel

2016-04-14 Thread Josh Poimboeuf
On Thu, Apr 14, 2016 at 10:50:28AM +0200, Miroslav Benes wrote: > On Thu, 14 Apr 2016, Miroslav Benes wrote: > > > On Fri, 25 Mar 2016, Josh Poimboeuf wrote: > > > > > Update a tasks's universe when returning from a system call or user > > > space interrupt, or after handling a signal. > > > > >

Re: [RFC PATCH v1.9 14/14] livepatch: update task universe when exiting kernel

2016-04-14 Thread Josh Poimboeuf
On Thu, Apr 14, 2016 at 10:47:04AM +0200, Miroslav Benes wrote: > On Fri, 25 Mar 2016, Josh Poimboeuf wrote: > > > 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 s

Re: [RFC PATCH v1.9 14/14] livepatch: update task universe when exiting kernel

2016-04-14 Thread Miroslav Benes
On Thu, 14 Apr 2016, Miroslav Benes wrote: > On Fri, 25 Mar 2016, Josh Poimboeuf wrote: > > > 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

Re: [RFC PATCH v1.9 14/14] livepatch: update task universe when exiting kernel

2016-04-14 Thread Miroslav Benes
On Fri, 25 Mar 2016, Josh Poimboeuf wrote: > 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