From: Hengqi Chen Date: Thu, 2 Oct 2025 14:39:52 +0000 (+0800) Subject: LoongArch: BPF: Don't align trampoline size X-Git-Tag: v6.18-rc1~56^2~4 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a04731cbee6e981afa4263289a0c0059c8b2e7b9;p=thirdparty%2Fkernel%2Fstable.git LoongArch: BPF: Don't align trampoline size 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 Signed-off-by: Hengqi Chen Signed-off-by: Huacai Chen --- diff --git a/arch/loongarch/net/bpf_jit.c b/arch/loongarch/net/bpf_jit.c index 8c3c211983f9..8d5547014b2c 100644 --- a/arch/loongarch/net/bpf_jit.c +++ b/arch/loongarch/net/bpf_jit.c @@ -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)