From: Yonghong Song <yonghong.song@linux.dev>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>, 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 v2 00/23] bpf: Support stack arguments for BPF functions and kfuncs
Date: Sat, 9 May 2026 14:43:43 +0100 [thread overview]
Message-ID: <3e5ebcc4-4da6-4269-a5ff-4f2cb040e0e1@linux.dev> (raw)
In-Reply-To: <DIDHTRIE6MGC.2SQ974UZ2EQG1@gmail.com>
On 5/8/26 8:06 PM, Alexei Starovoitov wrote:
> On Thu May 7, 2026 at 2:29 PM PDT, Yonghong Song wrote:
>> This patch set lifts the 5-argument limit by introducing stack-based
>> argument passing for BPF functions and kfunc's, coordinated with
>> compiler support in LLVM [1]. The compiler emits loads/stores through
> ...
>> [1] https://github.com/llvm/llvm-project/pull/189060
> Please land llvm bits.
Just merged.
prev parent reply other threads:[~2026-05-09 13:43 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-07 21:29 [PATCH bpf-next v2 00/23] bpf: Support stack arguments for BPF functions and kfuncs Yonghong Song
2026-05-07 21:29 ` [PATCH bpf-next v2 01/23] bpf: Convert bpf_get_spilled_reg macro to static inline function Yonghong Song
2026-05-07 21:29 ` [PATCH bpf-next v2 02/23] bpf: Remove copy_register_state wrapper function Yonghong Song
2026-05-07 21:29 ` [PATCH bpf-next v2 03/23] bpf: Add helper functions for r11-based stack argument insns Yonghong Song
2026-05-07 21:30 ` [PATCH bpf-next v2 04/23] bpf: Set sub->arg_cnt earlier in btf_prepare_func_args() Yonghong Song
2026-05-07 22:11 ` bot+bpf-ci
2026-05-09 13:05 ` Yonghong Song
2026-05-07 21:30 ` [PATCH bpf-next v2 05/23] bpf: Support stack arguments for bpf functions Yonghong Song
2026-05-07 22:26 ` bot+bpf-ci
2026-05-09 12:52 ` Yonghong Song
2026-05-08 18:00 ` Alexei Starovoitov
2026-05-09 12:55 ` Yonghong Song
2026-05-07 21:30 ` [PATCH bpf-next v2 06/23] bpf: Refactor jmp history to use dedicated spi/frame fields Yonghong Song
2026-05-07 21:30 ` [PATCH bpf-next v2 07/23] bpf: Add precision marking and backtracking for stack argument slots Yonghong Song
2026-05-07 22:11 ` bot+bpf-ci
2026-05-09 13:08 ` Yonghong Song
2026-05-09 4:05 ` sashiko-bot
2026-05-10 16:41 ` Yonghong Song
2026-05-07 21:30 ` [PATCH bpf-next v2 08/23] bpf: Refactor record_call_access() to extract per-arg logic Yonghong Song
2026-05-07 21:30 ` [PATCH bpf-next v2 09/23] bpf: Extend liveness analysis to track stack argument slots Yonghong Song
2026-05-07 22:11 ` bot+bpf-ci
2026-05-09 13:29 ` Yonghong Song
2026-05-09 0:59 ` sashiko-bot
2026-05-10 16:47 ` Yonghong Song
2026-05-07 21:30 ` [PATCH bpf-next v2 10/23] bpf: Reject stack arguments in non-JITed programs Yonghong Song
2026-05-07 22:11 ` bot+bpf-ci
2026-05-09 2:10 ` sashiko-bot
2026-05-10 16:59 ` Yonghong Song
2026-05-07 21:30 ` [PATCH bpf-next v2 11/23] bpf: Prepare architecture JIT support for stack arguments Yonghong Song
2026-05-09 2:19 ` sashiko-bot
2026-05-10 17:05 ` Yonghong Song
2026-05-07 21:30 ` [PATCH bpf-next v2 12/23] bpf: Enable r11 based insns Yonghong Song
2026-05-09 2:59 ` sashiko-bot
2026-05-10 17:11 ` Yonghong Song
2026-05-07 21:30 ` [PATCH bpf-next v2 13/23] bpf: Support stack arguments for kfunc calls Yonghong Song
2026-05-07 21:30 ` [PATCH bpf-next v2 14/23] bpf: Reject stack arguments if tail call reachable Yonghong Song
2026-05-07 22:11 ` bot+bpf-ci
2026-05-09 1:42 ` sashiko-bot
2026-05-10 17:15 ` Yonghong Song
2026-05-07 21:30 ` [PATCH bpf-next v2 15/23] bpf,x86: Implement JIT support for stack arguments Yonghong Song
2026-05-07 22:26 ` bot+bpf-ci
2026-05-10 17:21 ` Yonghong Song
2026-05-09 2:21 ` sashiko-bot
2026-05-10 17:22 ` Yonghong Song
2026-05-07 21:31 ` [PATCH bpf-next v2 16/23] selftests/bpf: Add tests for BPF function " Yonghong Song
2026-05-07 21:31 ` [PATCH bpf-next v2 17/23] selftests/bpf: Add tests for stack argument validation Yonghong Song
2026-05-09 1:30 ` sashiko-bot
2026-05-10 17:23 ` Yonghong Song
2026-05-07 21:31 ` [PATCH bpf-next v2 18/23] selftests/bpf: Add BTF fixup for __naked subprog parameter names Yonghong Song
2026-05-09 1:40 ` sashiko-bot
2026-05-10 17:24 ` Yonghong Song
2026-05-07 21:31 ` [PATCH bpf-next v2 19/23] selftests/bpf: Add verifier tests for stack argument validation Yonghong Song
2026-05-07 22:11 ` bot+bpf-ci
2026-05-10 17:27 ` Yonghong Song
2026-05-09 1:38 ` sashiko-bot
2026-05-10 17:27 ` Yonghong Song
2026-05-07 21:31 ` [PATCH bpf-next v2 20/23] selftests/bpf: Add precision backtracking test for stack arguments Yonghong Song
2026-05-09 1:52 ` sashiko-bot
2026-05-10 17:31 ` Yonghong Song
2026-05-07 21:31 ` [PATCH bpf-next v2 21/23] bpf, arm64: Map BPF_REG_0 to x8 instead of x7 Yonghong Song
2026-05-08 18:01 ` Alexei Starovoitov
2026-05-09 13:44 ` Yonghong Song
2026-05-07 21:32 ` [PATCH bpf-next v2 22/23] bpf, arm64: Add JIT support for stack arguments Yonghong Song
2026-05-09 2:15 ` sashiko-bot
2026-05-10 17:32 ` Yonghong Song
2026-05-07 21:32 ` [PATCH bpf-next v2 23/23] selftests/bpf: Enable stack argument tests for arm64 Yonghong Song
2026-05-08 18:06 ` [PATCH bpf-next v2 00/23] bpf: Support stack arguments for BPF functions and kfuncs Alexei Starovoitov
2026-05-09 13:43 ` Yonghong Song [this message]
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