Commit a04731cb authored by Hengqi Chen's avatar Hengqi Chen Committed by Huacai Chen
Browse files

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: default avatarVincent Li <vincent.mc.li@gmail.com>
Signed-off-by: default avatarHengqi Chen <hengqi.chen@gmail.com>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent e82406c7

arch/loongarch/net/bpf_jit.c

+1 −2
Original line number Diff line number Diff line
@@ -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)