diff --git a/arch/loongarch/include/asm/inst.h b/arch/loongarch/include/asm/inst.h
index 3089785ca97e7..88bb73e46f632 100644
--- a/arch/loongarch/include/asm/inst.h
+++ b/arch/loongarch/include/asm/inst.h
@@ -497,6 +497,7 @@ void arch_simulate_insn(union loongarch_instruction insn, struct pt_regs *regs);
 int larch_insn_read(void *addr, u32 *insnp);
 int larch_insn_write(void *addr, u32 insn);
 int larch_insn_patch_text(void *addr, u32 insn);
+int larch_insn_text_copy(void *dst, void *src, size_t len);
 
 u32 larch_insn_gen_nop(void);
 u32 larch_insn_gen_b(unsigned long pc, unsigned long dest);
@@ -511,6 +512,8 @@ u32 larch_insn_gen_lu12iw(enum loongarch_gpr rd, int imm);
 u32 larch_insn_gen_lu32id(enum loongarch_gpr rd, int imm);
 u32 larch_insn_gen_lu52id(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm);
 u32 larch_insn_gen_jirl(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm);
+u32 larch_insn_gen_beq(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm);
+u32 larch_insn_gen_bne(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm);
 
 static inline bool signed_imm_check(long val, unsigned int bit)
 {
diff --git a/arch/loongarch/kernel/inst.c b/arch/loongarch/kernel/inst.c
index 14d7d700bcb98..7df63a950d571 100644
--- a/arch/loongarch/kernel/inst.c
+++ b/arch/loongarch/kernel/inst.c
@@ -4,6 +4,7 @@
  */
 #include <linux/sizes.h>
 #include <linux/uaccess.h>
+#include <linux/set_memory.h>
 
 #include <asm/cacheflush.h>
 #include <asm/inst.h>
@@ -218,6 +219,32 @@ int larch_insn_patch_text(void *addr, u32 insn)
 	return ret;
 }
 
+int larch_insn_text_copy(void *dst, void *src, size_t len)
+{
+	int ret;
+	unsigned long flags;
+	unsigned long dst_start, dst_end, dst_len;
+
+	dst_start = round_down((unsigned long)dst, PAGE_SIZE);
+	dst_end = round_up((unsigned long)dst + len, PAGE_SIZE);
+	dst_len = dst_end - dst_start;
+
+	set_memory_rw(dst_start, dst_len / PAGE_SIZE);
+	raw_spin_lock_irqsave(&patch_lock, flags);
+
+	ret = copy_to_kernel_nofault(dst, src, len);
+	if (ret)
+		pr_err("%s: operation failed\n", __func__);
+
+	raw_spin_unlock_irqrestore(&patch_lock, flags);
+	set_memory_rox(dst_start, dst_len / PAGE_SIZE);
+
+	if (!ret)
+		flush_icache_range((unsigned long)dst, (unsigned long)dst + len);
+
+	return ret;
+}
+
 u32 larch_insn_gen_nop(void)
 {
 	return INSN_NOP;
@@ -336,3 +363,31 @@ u32 larch_insn_gen_jirl(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm)
 
 	return insn.word;
 }
+
+u32 larch_insn_gen_beq(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm)
+{
+	union loongarch_instruction insn;
+
+	if ((imm & 3) || imm < -SZ_128K || imm >= SZ_128K) {
+		pr_warn("The generated beq instruction is out of range.\n");
+		return INSN_BREAK;
+	}
+
+	emit_beq(&insn, rj, rd, imm >> 2);
+
+	return insn.word;
+}
+
+u32 larch_insn_gen_bne(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm)
+{
+	union loongarch_instruction insn;
+
+	if ((imm & 3) || imm < -SZ_128K || imm >= SZ_128K) {
+		pr_warn("The generated bne instruction is out of range.\n");
+		return INSN_BREAK;
+	}
+
+	emit_bne(&insn, rj, rd, imm >> 2);
+
+	return insn.word;
+}
diff --git a/arch/loongarch/net/bpf_jit.c b/arch/loongarch/net/bpf_jit.c
index fa1500d4aa3e3..725c2d5ee82b9 100644
--- a/arch/loongarch/net/bpf_jit.c
+++ b/arch/loongarch/net/bpf_jit.c
@@ -4,8 +4,18 @@
  *
  * Copyright (C) 2022 Loongson Technology Corporation Limited
  */
+#include <linux/memory.h>
 #include "bpf_jit.h"
 
+#define LOONGARCH_MAX_REG_ARGS 8
+
+#define LOONGARCH_LONG_JUMP_NINSNS 5
+#define LOONGARCH_LONG_JUMP_NBYTES (LOONGARCH_LONG_JUMP_NINSNS * 4)
+
+#define LOONGARCH_FENTRY_NINSNS 2
+#define LOONGARCH_FENTRY_NBYTES (LOONGARCH_FENTRY_NINSNS * 4)
+#define LOONGARCH_BPF_FENTRY_NBYTES (LOONGARCH_LONG_JUMP_NINSNS * 4)
+
 #define REG_TCC		LOONGARCH_GPR_A6
 #define TCC_SAVED	LOONGARCH_GPR_S5
 
@@ -88,6 +98,7 @@ static u8 tail_call_reg(struct jit_ctx *ctx)
  */
 static void build_prologue(struct jit_ctx *ctx)
 {
+	int i;
 	int stack_adjust = 0, store_offset, bpf_stack_adjust;
 
 	bpf_stack_adjust = round_up(ctx->prog->aux->stack_depth, 16);
@@ -98,6 +109,10 @@ static void build_prologue(struct jit_ctx *ctx)
 	stack_adjust = round_up(stack_adjust, 16);
 	stack_adjust += bpf_stack_adjust;
 
+	/* Reserve space for the move_imm + jirl instruction */
+	for (i = 0; i < LOONGARCH_LONG_JUMP_NINSNS; i++)
+		emit_insn(ctx, nop);
+
 	/*
 	 * First instruction initializes the tail call count (TCC).
 	 * On tail call we skip this instruction, and the TCC is
@@ -1180,6 +1195,14 @@ static int validate_code(struct jit_ctx *ctx)
 			return -1;
 	}
 
+	return 0;
+}
+
+static int validate_ctx(struct jit_ctx *ctx)
+{
+	if (validate_code(ctx))
+		return -1;
+
 	if (WARN_ON_ONCE(ctx->num_exentries != ctx->prog->aux->num_exentries))
 		return -1;
 
@@ -1288,7 +1311,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 	build_epilogue(&ctx);
 
 	/* 3. Extra pass to validate JITed code */
-	if (validate_code(&ctx)) {
+	if (validate_ctx(&ctx)) {
 		bpf_jit_binary_free(header);
 		prog = orig_prog;
 		goto out_offset;
@@ -1359,3 +1382,505 @@ bool bpf_jit_supports_subprog_tailcalls(void)
 {
 	return true;
 }
+
+static int emit_jump_and_link(struct jit_ctx *ctx, u8 rd, u64 target)
+{
+	if (!target) {
+		pr_err("bpf_jit: jump target address is error\n");
+		return -EFAULT;
+	}
+
+	move_imm(ctx, LOONGARCH_GPR_T1, target, false);
+	emit_insn(ctx, jirl, rd, LOONGARCH_GPR_T1, 0);
+
+	return 0;
+}
+
+static int gen_jump_or_nops(void *target, void *ip, u32 *insns, bool is_call)
+{
+	struct jit_ctx ctx;
+
+	ctx.idx = 0;
+	ctx.image = (union loongarch_instruction *)insns;
+
+	if (!target) {
+		emit_insn((&ctx), nop);
+		emit_insn((&ctx), nop);
+		return 0;
+	}
+
+	return emit_jump_and_link(&ctx, is_call ? LOONGARCH_GPR_T0 : LOONGARCH_GPR_ZERO,
+				  (unsigned long)target);
+}
+
+static int emit_call(struct jit_ctx *ctx, u64 addr)
+{
+	return emit_jump_and_link(ctx, LOONGARCH_GPR_RA, addr);
+}
+
+int bpf_arch_text_poke(void *ip, enum bpf_text_poke_type poke_type,
+		       void *old_addr, void *new_addr)
+{
+	u32 old_insns[LOONGARCH_LONG_JUMP_NINSNS] = {[0 ... 4] = INSN_NOP};
+	u32 new_insns[LOONGARCH_LONG_JUMP_NINSNS] = {[0 ... 4] = INSN_NOP};
+	bool is_call = poke_type == BPF_MOD_CALL;
+	int ret;
+
+	if (!is_kernel_text((unsigned long)ip) &&
+		!is_bpf_text_address((unsigned long)ip))
+		return -ENOTSUPP;
+
+	ret = gen_jump_or_nops(old_addr, ip, old_insns, is_call);
+	if (ret)
+		return ret;
+
+	if (memcmp(ip, old_insns, LOONGARCH_LONG_JUMP_NBYTES))
+		return -EFAULT;
+
+	ret = gen_jump_or_nops(new_addr, ip, new_insns, is_call);
+	if (ret)
+		return ret;
+
+	mutex_lock(&text_mutex);
+	if (memcmp(ip, new_insns, LOONGARCH_LONG_JUMP_NBYTES))
+		ret = larch_insn_text_copy(ip, new_insns, LOONGARCH_LONG_JUMP_NBYTES);
+	mutex_unlock(&text_mutex);
+	return ret;
+}
+
+int bpf_arch_text_invalidate(void *dst, size_t len)
+{
+	int i;
+	int ret = 0;
+	u32 *inst;
+
+	inst = kvmalloc(len, GFP_KERNEL);
+	if (!inst)
+		return -ENOMEM;
+
+	for (i = 0; i < (len/sizeof(u32)); i++)
+		inst[i] = INSN_BREAK;
+
+	mutex_lock(&text_mutex);
+	if (larch_insn_text_copy(dst, inst, len))
+		ret = -EINVAL;
+	mutex_unlock(&text_mutex);
+
+	kvfree(inst);
+	return ret;
+}
+
+void *bpf_arch_text_copy(void *dst, void *src, size_t len)
+{
+	int ret;
+
+	mutex_lock(&text_mutex);
+	ret = larch_insn_text_copy(dst, src, len);
+	mutex_unlock(&text_mutex);
+	if (ret)
+		return ERR_PTR(-EINVAL);
+
+	return dst;
+}
+
+static void store_args(struct jit_ctx *ctx, int nargs, int args_off)
+{
+	int i;
+
+	for (i = 0; i < nargs; i++) {
+		emit_insn(ctx, std, LOONGARCH_GPR_A0 + i, LOONGARCH_GPR_FP, -args_off);
+		args_off -= 8;
+	}
+}
+
+static void restore_args(struct jit_ctx *ctx, int nargs, int args_off)
+{
+	int i;
+
+	for (i = 0; i < nargs; i++) {
+		emit_insn(ctx, ldd, LOONGARCH_GPR_A0 + i, LOONGARCH_GPR_FP, -args_off);
+		args_off -= 8;
+	}
+}
+
+static int invoke_bpf_prog(struct jit_ctx *ctx, struct bpf_tramp_link *l,
+			   int args_off, int retval_off,
+			   int run_ctx_off, bool save_ret)
+{
+	int ret;
+	u32 *branch;
+	struct bpf_prog *p = l->link.prog;
+	int cookie_off = offsetof(struct bpf_tramp_run_ctx, bpf_cookie);
+
+	if (l->cookie) {
+		move_imm(ctx, LOONGARCH_GPR_T1, l->cookie, false);
+		emit_insn(ctx, std, LOONGARCH_GPR_T1, LOONGARCH_GPR_FP, -run_ctx_off + cookie_off);
+	} else {
+		emit_insn(ctx, std, LOONGARCH_GPR_ZERO, LOONGARCH_GPR_FP,
+			  -run_ctx_off + cookie_off);
+	}
+
+	/* arg1: prog */
+	move_imm(ctx, LOONGARCH_GPR_A0, (const s64)p, false);
+	/* arg2: &run_ctx */
+	emit_insn(ctx, addid, LOONGARCH_GPR_A1, LOONGARCH_GPR_FP, -run_ctx_off);
+	ret = emit_call(ctx, (const u64)bpf_trampoline_enter(p));
+	if (ret)
+		return ret;
+
+	/* store prog start time */
+	move_reg(ctx, LOONGARCH_GPR_S1, LOONGARCH_GPR_A0);
+
+	/* if (__bpf_prog_enter(prog) == 0)
+	 *      goto skip_exec_of_prog;
+	 *
+	 */
+	branch = (u32 *)ctx->image + ctx->idx;
+	/* nop reserved for conditional jump */
+	emit_insn(ctx, nop);
+
+	/* arg1: &args_off */
+	emit_insn(ctx, addid, LOONGARCH_GPR_A0, LOONGARCH_GPR_FP, -args_off);
+	if (!p->jited)
+		move_imm(ctx, LOONGARCH_GPR_A1, (const s64)p->insnsi, false);
+	ret = emit_call(ctx, (const u64)p->bpf_func);
+	if (ret)
+		return ret;
+
+	if (save_ret) {
+		emit_insn(ctx, std, LOONGARCH_GPR_A0, LOONGARCH_GPR_FP, -retval_off);
+		emit_insn(ctx, std, regmap[BPF_REG_0], LOONGARCH_GPR_FP, -(retval_off - 8));
+	}
+
+	/* update branch with beqz */
+	if (ctx->image) {
+		int offset = (void *)(&ctx->image[ctx->idx]) - (void *)branch;
+		*branch = larch_insn_gen_beq(LOONGARCH_GPR_A0, LOONGARCH_GPR_ZERO, offset);
+	}
+
+	/* arg1: prog */
+	move_imm(ctx, LOONGARCH_GPR_A0, (const s64)p, false);
+	/* arg2: prog start time */
+	move_reg(ctx, LOONGARCH_GPR_A1, LOONGARCH_GPR_S1);
+	/* arg3: &run_ctx */
+	emit_insn(ctx, addid, LOONGARCH_GPR_A2, LOONGARCH_GPR_FP, -run_ctx_off);
+	ret = emit_call(ctx, (const u64)bpf_trampoline_exit(p));
+
+	return ret;
+}
+
+static void invoke_bpf_mod_ret(struct jit_ctx *ctx, struct bpf_tramp_links *tl,
+			       int args_off, int retval_off, int run_ctx_off, u32 **branches)
+{
+	int i;
+
+	emit_insn(ctx, std, LOONGARCH_GPR_ZERO, LOONGARCH_GPR_FP, -retval_off);
+	for (i = 0; i < tl->nr_links; i++) {
+		invoke_bpf_prog(ctx, tl->links[i], args_off, retval_off,
+				run_ctx_off, true);
+		emit_insn(ctx, ldd, LOONGARCH_GPR_T1, LOONGARCH_GPR_FP, -retval_off);
+		branches[i] = (u32 *)ctx->image + ctx->idx;
+		emit_insn(ctx, nop);
+	}
+}
+
+u64 bpf_jit_alloc_exec_limit(void)
+{
+	return VMALLOC_END - VMALLOC_START;
+}
+
+void *arch_alloc_bpf_trampoline(unsigned int size)
+{
+	return bpf_prog_pack_alloc(size, jit_fill_hole);
+}
+
+void arch_free_bpf_trampoline(void *image, unsigned int size)
+{
+	bpf_prog_pack_free(image, size);
+}
+
+static int __arch_prepare_bpf_trampoline(struct jit_ctx *ctx, struct bpf_tramp_image *im,
+					 const struct btf_func_model *m,
+					 struct bpf_tramp_links *tlinks,
+					 void *func_addr, u32 flags)
+{
+	int i;
+	int stack_size = 0, nargs = 0;
+	int retval_off, args_off, nargs_off, ip_off, run_ctx_off, sreg_off;
+	struct bpf_tramp_links *fentry = &tlinks[BPF_TRAMP_FENTRY];
+	struct bpf_tramp_links *fexit = &tlinks[BPF_TRAMP_FEXIT];
+	struct bpf_tramp_links *fmod_ret = &tlinks[BPF_TRAMP_MODIFY_RETURN];
+	bool is_struct_ops = flags & BPF_TRAMP_F_INDIRECT;
+	int ret, save_ret;
+	void *orig_call = func_addr;
+	u32 **branches = NULL;
+
+	if (flags & (BPF_TRAMP_F_ORIG_STACK | BPF_TRAMP_F_SHARE_IPMODIFY))
+		return -ENOTSUPP;
+
+	/*
+	 * FP + 8       [ RA to parent func ] return address to parent
+	 *                    function
+	 * FP + 0       [ FP of parent func ] frame pointer of parent
+	 *                    function
+	 * FP - 8       [ T0 to traced func ] return address of traced
+	 *                    function
+	 * FP - 16      [ FP of traced func ] frame pointer of traced
+	 *                    function
+	 *
+	 * FP - retval_off  [ return value      ] BPF_TRAMP_F_CALL_ORIG or
+	 *                    BPF_TRAMP_F_RET_FENTRY_RET
+	 *                  [ argN              ]
+	 *                  [ ...               ]
+	 * FP - args_off    [ arg1              ]
+	 *
+	 * FP - nargs_off   [ regs count        ]
+	 *
+	 * FP - ip_off      [ traced func   ] BPF_TRAMP_F_IP_ARG
+	 *
+	 * FP - run_ctx_off [ bpf_tramp_run_ctx ]
+	 *
+	 * FP - sreg_off    [ callee saved reg  ]
+	 *
+	 */
+
+	if (m->nr_args > LOONGARCH_MAX_REG_ARGS)
+		return -ENOTSUPP;
+
+	if (flags & (BPF_TRAMP_F_ORIG_STACK | BPF_TRAMP_F_SHARE_IPMODIFY))
+		return -ENOTSUPP;
+
+	stack_size = 0;
+
+	/* room of trampoline frame to store return address and frame pointer */
+	stack_size += 16;
+
+	save_ret = flags & (BPF_TRAMP_F_CALL_ORIG | BPF_TRAMP_F_RET_FENTRY_RET);
+	if (save_ret) {
+		/* Save BPF R0 and A0 */
+		stack_size += 16;
+		retval_off = stack_size;
+	}
+
+	/* room of trampoline frame to store args */
+	nargs = m->nr_args;
+	stack_size += nargs * 8;
+	args_off = stack_size;
+
+	/* room of trampoline frame to store args number */
+	stack_size += 8;
+	nargs_off = stack_size;
+
+	/* room of trampoline frame to store ip address */
+	if (flags & BPF_TRAMP_F_IP_ARG) {
+		stack_size += 8;
+		ip_off = stack_size;
+	}
+
+	/* room of trampoline frame to store struct bpf_tramp_run_ctx */
+	stack_size += round_up(sizeof(struct bpf_tramp_run_ctx), 8);
+	run_ctx_off = stack_size;
+
+	stack_size += 8;
+	sreg_off = stack_size;
+
+	stack_size = round_up(stack_size, 16);
+
+	if (!is_struct_ops) {
+		/*
+		 * For the trampoline called from function entry,
+		 * the frame of traced function and the frame of
+		 * trampoline need to be considered.
+		 */
+		emit_insn(ctx, addid, LOONGARCH_GPR_SP, LOONGARCH_GPR_SP, -16);
+		emit_insn(ctx, std, LOONGARCH_GPR_RA, LOONGARCH_GPR_SP, 8);
+		emit_insn(ctx, std, LOONGARCH_GPR_FP, LOONGARCH_GPR_SP, 0);
+		emit_insn(ctx, addid, LOONGARCH_GPR_FP, LOONGARCH_GPR_SP, 16);
+
+		emit_insn(ctx, addid, LOONGARCH_GPR_SP, LOONGARCH_GPR_SP, -stack_size);
+		emit_insn(ctx, std, LOONGARCH_GPR_T0, LOONGARCH_GPR_SP, stack_size - 8);
+		emit_insn(ctx, std, LOONGARCH_GPR_FP, LOONGARCH_GPR_SP, stack_size - 16);
+		emit_insn(ctx, addid, LOONGARCH_GPR_FP, LOONGARCH_GPR_SP, stack_size);
+	} else {
+		/*
+		 * For the trampoline called directly, just handle
+		 * the frame of trampoline.
+		 */
+		emit_insn(ctx, addid, LOONGARCH_GPR_SP, LOONGARCH_GPR_SP, -stack_size);
+		emit_insn(ctx, std, LOONGARCH_GPR_RA, LOONGARCH_GPR_SP, stack_size - 8);
+		emit_insn(ctx, std, LOONGARCH_GPR_FP, LOONGARCH_GPR_SP, stack_size - 16);
+		emit_insn(ctx, addid, LOONGARCH_GPR_FP, LOONGARCH_GPR_SP, stack_size);
+	}
+
+	/* callee saved register S1 to pass start time */
+	emit_insn(ctx, std, LOONGARCH_GPR_S1, LOONGARCH_GPR_FP, -sreg_off);
+
+	/* store ip address of the traced function */
+	if (flags & BPF_TRAMP_F_IP_ARG) {
+		move_imm(ctx, LOONGARCH_GPR_T1, (const s64)func_addr, false);
+		emit_insn(ctx, std, LOONGARCH_GPR_T1, LOONGARCH_GPR_FP, -ip_off);
+	}
+
+	/* store nargs number*/
+	move_imm(ctx, LOONGARCH_GPR_T1, nargs, false);
+	emit_insn(ctx, std, LOONGARCH_GPR_T1, LOONGARCH_GPR_FP, -nargs_off);
+
+	store_args(ctx, nargs, args_off);
+
+	/* To traced function */
+	/* Ftrace jump skips 2 NOP instructions */
+	if (is_kernel_text((unsigned long)orig_call))
+		orig_call += LOONGARCH_FENTRY_NBYTES;
+	/* Direct jump skips 5 NOP instructions */
+	else if (is_bpf_text_address((unsigned long)orig_call))
+		orig_call += LOONGARCH_BPF_FENTRY_NBYTES;
+
+	if (flags & BPF_TRAMP_F_CALL_ORIG) {
+		move_imm(ctx, LOONGARCH_GPR_A0, (const s64)im, false);
+		ret = emit_call(ctx, (const u64)__bpf_tramp_enter);
+		if (ret)
+			return ret;
+	}
+
+	for (i = 0; i < fentry->nr_links; i++) {
+		ret = invoke_bpf_prog(ctx, fentry->links[i], args_off, retval_off,
+				      run_ctx_off, flags & BPF_TRAMP_F_RET_FENTRY_RET);
+		if (ret)
+			return ret;
+	}
+	if (fmod_ret->nr_links) {
+		branches  = kcalloc(fmod_ret->nr_links, sizeof(u32 *), GFP_KERNEL);
+		if (!branches)
+			return -ENOMEM;
+
+		invoke_bpf_mod_ret(ctx, fmod_ret, args_off, retval_off,
+				   run_ctx_off, branches);
+	}
+
+	if (flags & BPF_TRAMP_F_CALL_ORIG) {
+		restore_args(ctx, m->nr_args, args_off);
+		ret = emit_call(ctx, (const u64)orig_call);
+		if (ret)
+			goto out;
+		emit_insn(ctx, std, LOONGARCH_GPR_A0, LOONGARCH_GPR_FP, -retval_off);
+		emit_insn(ctx, std, regmap[BPF_REG_0], LOONGARCH_GPR_FP, -(retval_off - 8));
+		im->ip_after_call = ctx->ro_image + ctx->idx;
+		/* Reserve space for the move_imm + jirl instruction */
+		for (i = 0; i < LOONGARCH_LONG_JUMP_NINSNS; i++)
+			emit_insn(ctx, nop);
+	}
+
+	for (i = 0; ctx->image && i < fmod_ret->nr_links; i++) {
+		int offset = (void *)(&ctx->image[ctx->idx]) - (void *)branches[i];
+		*branches[i] = larch_insn_gen_bne(LOONGARCH_GPR_T1, LOONGARCH_GPR_ZERO, offset);
+	}
+
+	for (i = 0; i < fexit->nr_links; i++) {
+		ret = invoke_bpf_prog(ctx, fexit->links[i], args_off, retval_off,
+				      run_ctx_off, false);
+		if (ret)
+			goto out;
+	}
+
+	if (flags & BPF_TRAMP_F_CALL_ORIG) {
+		im->ip_epilogue = ctx->ro_image + ctx->idx;
+		move_imm(ctx, LOONGARCH_GPR_A0, (const s64)im, false);
+		ret = emit_call(ctx, (const u64)__bpf_tramp_exit);
+		if (ret)
+			goto out;
+	}
+
+	if (flags & BPF_TRAMP_F_RESTORE_REGS)
+		restore_args(ctx, m->nr_args, args_off);
+
+	if (save_ret) {
+		emit_insn(ctx, ldd, LOONGARCH_GPR_A0, LOONGARCH_GPR_FP, -retval_off);
+		emit_insn(ctx, ldd, regmap[BPF_REG_0], LOONGARCH_GPR_FP, -(retval_off - 8));
+	}
+
+	emit_insn(ctx, ldd, LOONGARCH_GPR_S1, LOONGARCH_GPR_FP, -sreg_off);
+
+	if (!is_struct_ops) {
+		/* trampoline called from function entry */
+		emit_insn(ctx, ldd, LOONGARCH_GPR_T0, LOONGARCH_GPR_SP, stack_size - 8);
+		emit_insn(ctx, ldd, LOONGARCH_GPR_FP, LOONGARCH_GPR_SP, stack_size - 16);
+		emit_insn(ctx, addid, LOONGARCH_GPR_SP, LOONGARCH_GPR_SP, stack_size);
+
+		emit_insn(ctx, ldd, LOONGARCH_GPR_RA, LOONGARCH_GPR_SP, 8);
+		emit_insn(ctx, ldd, LOONGARCH_GPR_FP, LOONGARCH_GPR_SP, 0);
+		emit_insn(ctx, addid, LOONGARCH_GPR_SP, LOONGARCH_GPR_SP, 16);
+
+		if (flags & BPF_TRAMP_F_SKIP_FRAME)
+			/* return to parent function */
+			emit_insn(ctx, jirl, LOONGARCH_GPR_ZERO, LOONGARCH_GPR_RA, 0);
+		else
+			/* return to traced function */
+			emit_insn(ctx, jirl, LOONGARCH_GPR_ZERO, LOONGARCH_GPR_T0, 0);
+	} else {
+		/* trampoline called directly */
+		emit_insn(ctx, ldd, LOONGARCH_GPR_RA, LOONGARCH_GPR_SP, stack_size - 8);
+		emit_insn(ctx, ldd, LOONGARCH_GPR_FP, LOONGARCH_GPR_SP, stack_size - 16);
+		emit_insn(ctx, addid, LOONGARCH_GPR_SP, LOONGARCH_GPR_SP, stack_size);
+
+		emit_insn(ctx, jirl, LOONGARCH_GPR_ZERO, LOONGARCH_GPR_RA, 0);
+	}
+
+	ret = ctx->idx;
+out:
+	kfree(branches);
+
+	return ret;
+}
+
+int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *ro_image,
+				void *ro_image_end, const struct btf_func_model *m,
+				u32 flags, struct bpf_tramp_links *tlinks,
+				void *func_addr)
+{
+	int ret;
+	void *image, *tmp;
+	struct jit_ctx ctx;
+	u32 size = ro_image_end - ro_image;
+
+	image = kvmalloc(size, GFP_KERNEL);
+	if (!image)
+		return -ENOMEM;
+
+	ctx.image = (union loongarch_instruction *)image;
+	ctx.ro_image = (union loongarch_instruction *)ro_image;
+	ctx.idx = 0;
+
+	jit_fill_hole(image, (unsigned int)(ro_image_end - ro_image));
+	ret = __arch_prepare_bpf_trampoline(&ctx, im, m, tlinks, func_addr, flags);
+	if (ret > 0 && validate_code(&ctx) < 0) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	tmp = bpf_arch_text_copy(ro_image, image, size);
+	if (IS_ERR(tmp)) {
+		ret = PTR_ERR(tmp);
+		goto out;
+	}
+
+	bpf_flush_icache(ro_image, ro_image_end);
+out:
+	kvfree(image);
+	return ret < 0 ? ret : size;
+}
+
+int arch_bpf_trampoline_size(const struct btf_func_model *m, u32 flags,
+			     struct bpf_tramp_links *tlinks, void *func_addr)
+{
+	struct bpf_tramp_image im;
+	struct jit_ctx ctx;
+	int ret;
+
+	ctx.image = NULL;
+	ctx.idx = 0;
+
+	ret = __arch_prepare_bpf_trampoline(&ctx, &im, m, tlinks, func_addr, flags);
+
+	/* Page align */
+	return ret < 0 ? ret : round_up(ret * LOONGARCH_INSN_SIZE, PAGE_SIZE);
+}
diff --git a/arch/loongarch/net/bpf_jit.h b/arch/loongarch/net/bpf_jit.h
index f9c569f539491..5697158fd1645 100644
--- a/arch/loongarch/net/bpf_jit.h
+++ b/arch/loongarch/net/bpf_jit.h
@@ -18,6 +18,7 @@ struct jit_ctx {
 	u32 *offset;
 	int num_exentries;
 	union loongarch_instruction *image;
+	union loongarch_instruction *ro_image;
 	u32 stack_size;
 };
 
@@ -308,3 +309,8 @@ static inline int emit_tailcall_jmp(struct jit_ctx *ctx, u8 cond, enum loongarch
 
 	return -EINVAL;
 }
+
+static inline void bpf_flush_icache(void *start, void *end)
+{
+	flush_icache_range((unsigned long)start, (unsigned long)end);
+}