diff options
Diffstat (limited to 'arch/powerpc/kernel/jump_label.c')
-rw-r--r-- | arch/powerpc/kernel/jump_label.c | 20 |
1 files changed, 20 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..5277cf582 --- /dev/null +++ b/arch/powerpc/kernel/jump_label.c @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright 2010 Michael Ellerman, IBM Corp. + */ + +#include <linux/kernel.h> +#include <linux/jump_label.h> +#include <asm/code-patching.h> +#include <asm/inst.h> + +void arch_jump_label_transform(struct jump_entry *entry, + enum jump_label_type type) +{ + u32 *addr = (u32 *)jump_entry_code(entry); + + if (type == JUMP_LABEL_JMP) + patch_branch(addr, jump_entry_target(entry), 0); + else + patch_instruction(addr, ppc_inst(PPC_RAW_NOP())); +} |