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f02644e32c
Add support for jump labels based on the ARM64 version. Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Youling Tang <tangyouling@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
22 lines
561 B
C
22 lines
561 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2023 Loongson Technology Corporation Limited
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*
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* Based on arch/arm64/kernel/jump_label.c
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*/
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#include <linux/kernel.h>
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#include <linux/jump_label.h>
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#include <asm/inst.h>
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void arch_jump_label_transform(struct jump_entry *entry, enum jump_label_type type)
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{
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u32 insn;
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void *addr = (void *)jump_entry_code(entry);
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if (type == JUMP_LABEL_JMP)
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insn = larch_insn_gen_b(jump_entry_code(entry), jump_entry_target(entry));
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else
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insn = larch_insn_gen_nop();
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larch_insn_patch_text(addr, insn);
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}
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