diff options
Diffstat (limited to 'arch/arm/kernel/jump_label.c')
-rw-r--r-- | arch/arm/kernel/jump_label.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/kernel/jump_label.c b/arch/arm/kernel/jump_label.c new file mode 100644 index 000000000..eb9c24b6e --- /dev/null +++ b/arch/arm/kernel/jump_label.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/kernel.h> +#include <linux/jump_label.h> +#include <asm/patch.h> +#include <asm/insn.h> + +static void __arch_jump_label_transform(struct jump_entry *entry, + enum jump_label_type type, + bool is_static) +{ + void *addr = (void *)entry->code; + unsigned int insn; + + if (type == JUMP_LABEL_JMP) + insn = arm_gen_branch(entry->code, entry->target); + else + insn = arm_gen_nop(); + + if (is_static) + __patch_text_early(addr, insn); + else + patch_text(addr, insn); +} + +void arch_jump_label_transform(struct jump_entry *entry, + enum jump_label_type type) +{ + __arch_jump_label_transform(entry, type, false); +} |