From: "Alexei Starovoitov" <alexei.starovoitov@gmail.com>
To: "Yonghong Song" <yonghong.song@linux.dev>, <bpf@vger.kernel.org>
Cc: "Alexei Starovoitov" <ast@kernel.org>,
"Andrii Nakryiko" <andrii@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Jose E . Marchesi" <jose.marchesi@oracle.com>,
<kernel-team@fb.com>, "Martin KaFai Lau" <martin.lau@kernel.org>
Subject: Re: [PATCH bpf-next v3 15/24] bpf: Pass bpf_subprog_info to bpf_int_jit_compile()
Date: Mon, 11 May 2026 09:38:31 -0700 [thread overview]
Message-ID: <DIFZU9BF7H2L.2C6L1A58XG5B3@gmail.com> (raw)
In-Reply-To: <20260511053418.1888759-1-yonghong.song@linux.dev>
On Sun May 10, 2026 at 10:34 PM PDT, Yonghong Song wrote:
> - func[i] = bpf_int_jit_compile(env, func[i]);
> + func[i] = bpf_int_jit_compile(env, func[i], &env->subprog_info[i]);
Touching all JITs is too much churn. env already holds subprog_info.
Figure out how JITs should see which subprog they're processing.
See bpf_is_subprog(), for example.
next prev parent reply other threads:[~2026-05-11 16:38 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-11 5:33 [PATCH bpf-next v3 00/24] bpf: Support stack arguments for BPF functions and kfuncs Yonghong Song
2026-05-11 5:33 ` [PATCH bpf-next v3 01/24] bpf: Convert bpf_get_spilled_reg macro to static inline function Yonghong Song
2026-05-11 5:33 ` [PATCH bpf-next v3 02/24] bpf: Remove copy_register_state wrapper function Yonghong Song
2026-05-11 5:33 ` [PATCH bpf-next v3 03/24] bpf: Add helper functions for r11-based stack argument insns Yonghong Song
2026-05-11 5:33 ` [PATCH bpf-next v3 04/24] bpf: Set sub->arg_cnt earlier in btf_prepare_func_args() Yonghong Song
2026-05-11 6:19 ` bot+bpf-ci
2026-05-11 16:29 ` Yonghong Song
2026-05-11 17:18 ` Yonghong Song
2026-05-11 5:33 ` [PATCH bpf-next v3 05/24] bpf: Support stack arguments for bpf functions Yonghong Song
2026-05-11 6:19 ` bot+bpf-ci
2026-05-11 15:46 ` Yonghong Song
2026-05-11 16:05 ` Alexei Starovoitov
2026-05-11 16:21 ` Yonghong Song
2026-05-12 4:17 ` Yonghong Song
2026-05-12 16:23 ` Alexei Starovoitov
2026-05-11 5:33 ` [PATCH bpf-next v3 06/24] bpf: Refactor jmp history to use dedicated spi/frame fields Yonghong Song
2026-05-11 16:17 ` Alexei Starovoitov
2026-05-11 16:33 ` Yonghong Song
2026-05-11 5:33 ` [PATCH bpf-next v3 07/24] bpf: Add precision marking and backtracking for stack argument slots Yonghong Song
2026-05-11 6:19 ` bot+bpf-ci
2026-05-11 5:33 ` [PATCH bpf-next v3 08/24] bpf: Refactor record_call_access() to extract per-arg logic Yonghong Song
2026-05-11 5:33 ` [PATCH bpf-next v3 09/24] bpf: Extend liveness analysis to track stack argument slots Yonghong Song
2026-05-11 6:19 ` bot+bpf-ci
2026-05-11 16:35 ` Yonghong Song
2026-05-11 16:34 ` Alexei Starovoitov
2026-05-11 16:40 ` Yonghong Song
2026-05-11 5:33 ` [PATCH bpf-next v3 10/24] bpf: Reject stack arguments in non-JITed programs Yonghong Song
2026-05-11 6:19 ` bot+bpf-ci
2026-05-11 16:42 ` Yonghong Song
2026-05-11 5:33 ` [PATCH bpf-next v3 11/24] bpf: Prepare architecture JIT support for stack arguments Yonghong Song
2026-05-11 5:34 ` [PATCH bpf-next v3 12/24] bpf: Enable r11 based insns Yonghong Song
2026-05-11 5:34 ` [PATCH bpf-next v3 13/24] bpf: Support stack arguments for kfunc calls Yonghong Song
2026-05-11 5:34 ` [PATCH bpf-next v3 14/24] bpf: Reject stack arguments if tail call reachable Yonghong Song
2026-05-11 6:19 ` bot+bpf-ci
2026-05-11 5:34 ` [PATCH bpf-next v3 15/24] bpf: Pass bpf_subprog_info to bpf_int_jit_compile() Yonghong Song
2026-05-11 16:38 ` Alexei Starovoitov [this message]
2026-05-11 16:47 ` Yonghong Song
2026-05-11 5:34 ` [PATCH bpf-next v3 16/24] bpf,x86: Implement JIT support for stack arguments Yonghong Song
2026-05-11 16:39 ` Alexei Starovoitov
2026-05-11 16:47 ` Yonghong Song
2026-05-11 5:34 ` [PATCH bpf-next v3 17/24] selftests/bpf: Add tests for BPF function " Yonghong Song
2026-05-11 5:34 ` [PATCH bpf-next v3 18/24] selftests/bpf: Add tests for stack argument validation Yonghong Song
2026-05-11 5:34 ` [PATCH bpf-next v3 19/24] selftests/bpf: Add BTF fixup for __naked subprog parameter names Yonghong Song
2026-05-11 5:34 ` [PATCH bpf-next v3 20/24] selftests/bpf: Add verifier tests for stack argument validation Yonghong Song
2026-05-11 6:19 ` bot+bpf-ci
2026-05-11 16:49 ` Yonghong Song
2026-05-11 5:34 ` [PATCH bpf-next v3 21/24] selftests/bpf: Add precision backtracking test for stack arguments Yonghong Song
2026-05-11 5:35 ` [PATCH bpf-next v3 22/24] bpf, arm64: Map BPF_REG_0 to x8 instead of x7 Yonghong Song
2026-05-11 5:35 ` [PATCH bpf-next v3 23/24] bpf, arm64: Add JIT support for stack arguments Yonghong Song
2026-05-11 5:35 ` [PATCH bpf-next v3 24/24] selftests/bpf: Enable stack argument tests for arm64 Yonghong Song
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