Hi, Chenghao,
On Wed, Jun 18, 2025 at 6:51 PM Chenghao Duan <duanchenghao@xxxxxxxxxx> wrote:
>
> Update the code to rename validate_code to validate_ctx.
> validate_code is used to check the validity of code.
> validate_ctx is used to check both code validity and table entry
> correctness.
Is this patch really needed? Just keep the same with ARM64?
Huacai
>
> Co-developed-by: George Guo <guodongtai@xxxxxxxxxx>
> Signed-off-by: George Guo <guodongtai@xxxxxxxxxx>
> Signed-off-by: Chenghao Duan <duanchenghao@xxxxxxxxxx>
> ---
> arch/loongarch/net/bpf_jit.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/arch/loongarch/net/bpf_jit.c b/arch/loongarch/net/bpf_jit.c
> index 348ea3bfb..fa187f727 100644
> --- a/arch/loongarch/net/bpf_jit.c
> +++ b/arch/loongarch/net/bpf_jit.c
> @@ -1185,6 +1185,14 @@ 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;
>
> @@ -1293,7 +1301,7 @@ skip_init_ctx:
> 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;
> --
> 2.43.0
>
>
