diff --git a/arch/microblaze/include/asm/current.h b/arch/microblaze/include/asm/current.h index 8375ea991e2633900c16d3c63094b4eee5249041..29303ed825cce591770d93e6fb9d7912e4022e42 100644 --- a/arch/microblaze/include/asm/current.h +++ b/arch/microblaze/include/asm/current.h @@ -1,4 +1,6 @@ /* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -9,6 +11,12 @@ #ifndef _ASM_MICROBLAZE_CURRENT_H #define _ASM_MICROBLAZE_CURRENT_H +/* + * Register used to hold the current task pointer while in the kernel. + * Any `call clobbered' register without a special meaning should be OK, + * but check asm/microblaze/kernel/entry.S to be sure. + */ +#define CURRENT_TASK r31 # ifndef __ASSEMBLY__ /* * Dedicate r31 to keeping the current task pointer