[PATCH] powerpc: Export thread_struct.used_vr/used_vsr to user space

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 frame for restored process. It will need this export information to

[PATCH] powerpc: Export thread_struct.used_vr/used_vsr to user space

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 frame for restored process. It will need this export information to