SPRN_DSCR_PRIV 46 tools/testing/selftests/powerpc/dscr/dscr.h asm volatile("mfspr %0,%1" : "=r" (ret) : "i" (SPRN_DSCR_PRIV)); SPRN_DSCR_PRIV 53 tools/testing/selftests/powerpc/dscr/dscr.h asm volatile("mtspr %1,%0" : : "r" (val), "i" (SPRN_DSCR_PRIV));