Re: [RESEND, v2] powerpc: Export thread_struct.used_vr/used_vsr to user space

2016-07-05 Thread Simon Guo
Hi Michael, On Tue, Jul 05, 2016 at 03:40:40PM +1000, Michael Ellerman wrote: > On Wed, 2016-06-04 at 07:00:12 UTC, Simon Guo wrote: > > These 2 fields track whether user process has used Altivec/VSX > > registers or not. They are used by kernel to setup signal frame > > on user stack correctly reg

Re: [RESEND, v2] powerpc: Export thread_struct.used_vr/used_vsr to user space

2016-07-04 Thread Michael Ellerman
On Wed, 2016-06-04 at 07:00:12 UTC, Simon Guo wrote: > These 2 fields track whether user process has used Altivec/VSX > registers or not. They are used by kernel to setup signal frame > on user stack correctly regarding vector part. > > CRIU(Checkpoint and Restore In User space) builds signal fram