diff options
Diffstat (limited to 'arch/powerpc/kernel/jump_label.c')
| -rw-r--r-- | arch/powerpc/kernel/jump_label.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/jump_label.c b/arch/powerpc/kernel/jump_label.c new file mode 100644 index 000000000..a1ed8a8c7 --- /dev/null +++ b/arch/powerpc/kernel/jump_label.c @@ -0,0 +1,25 @@ +/* + * Copyright 2010 Michael Ellerman, IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/jump_label.h> +#include <asm/code-patching.h> + +#ifdef HAVE_JUMP_LABEL +void arch_jump_label_transform(struct jump_entry *entry, + enum jump_label_type type) +{ + u32 *addr = (u32 *)(unsigned long)entry->code; + + if (type == JUMP_LABEL_ENABLE) + patch_branch(addr, entry->target, 0); + else + patch_instruction(addr, PPC_INST_NOP); +} +#endif |