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| author | Hengqi Chen <hengqi.chen@gmail.com> | 2025-10-02 22:39:52 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-15 12:04:19 +0200 |
| commit | 40cfed5204200760113c5cc33bee7d8fe81759d2 (patch) | |
| tree | c961160d25ca48018a053eb21cc1c2753480e1f4 | |
| parent | d1158559315143e11bfaabcd4b2bea98c7ed1be9 (diff) | |
| download | linux-40cfed5204200760113c5cc33bee7d8fe81759d2.tar.gz linux-40cfed5204200760113c5cc33bee7d8fe81759d2.tar.bz2 linux-40cfed5204200760113c5cc33bee7d8fe81759d2.zip | |
LoongArch: BPF: Don't align trampoline size
commit a04731cbee6e981afa4263289a0c0059c8b2e7b9 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/loongarch/net/bpf_jit.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/loongarch/net/bpf_jit.c b/arch/loongarch/net/bpf_jit.c index a54c725bbee9..68b93ce5f382 100644 --- a/arch/loongarch/net/bpf_jit.c +++ b/arch/loongarch/net/bpf_jit.c @@ -1785,8 +1785,7 @@ 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) |