[ 02/73] powerpc: Emulate non privileged DSCR read and write

3.9-stable review patch. If anyone has any objections, please let me know. -- From: Anton Blanchard commit 73d2fb758e678c93bc76d40876c2359f0729b0ef upstream. POWER8 allows read and write of the DSCR in userspace. We added kernel emulation so applications could always use the i

[ 02/73] powerpc: Emulate non privileged DSCR read and write

3.8-stable review patch. If anyone has any objections, please let me know. -- From: Anton Blanchard commit 73d2fb758e678c93bc76d40876c2359f0729b0ef upstream. POWER8 allows read and write of the DSCR in userspace. We added kernel emulation so applications could always use the i