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LoongArch: BPF: Don't align trampoline size

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Currently, arch_alloc_bpf_trampoline() use bpf_prog_pack_alloc() which
will pack multiple trampolines into a huge page. So, no need to assume
the trampoline size is page aligned.

Cc: stable@vger.kernel.org
Tested-by: Vincent Li <vincent.mc.li@gmail.com>
Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Hengqi Chen
2025-10-02 22:39:52 +08:00
committed by Huacai Chen
parent e82406c7cb
commit a04731cbee
1 changed files with 1 additions and 2 deletions
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3
arch/loongarch/net/bpf_jit.c
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@@ -1743,8 +1743,7 @@ int arch_bpf_trampoline_size(const struct btf_func_model *m, u32 flags,
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);
return ret < 0 ? ret : ret * LOONGARCH_INSN_SIZE;
}
struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)