From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EC17A2C11CA for ; Wed, 10 Jun 2026 04:30:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781065812; cv=none; b=GxDSLohGK4O/iyIZBKRqRE2if+w+OYVATULs+YRQzHDSl7dUQPCKjlIsOvXSKV7KUuricfr+3JqaUXV+LEt42LWFdSO5r7KDKtJDQxVl4Je+fuPE3sD7e/tOclEUgl0/TbLbNEpR60u4VWebrvpJszBHob0LFBDYt/Qkm0HTx34= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781065812; c=relaxed/simple; bh=gLyl6he89aQe/J0A1C/VC3ntdg3Km+6DaLlpYEXS6FM=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=LrWFN2jkLhlddw4FsFY4dGHlbR3si49gRD2cQULYycelLV1TUwB7WsyPUtyopmEttEU+bzRcWIhH5FnzgqqvcLFiz2wtY0iNqLd0IgbRCdUMO9ilMZIaylzr8NOrtqZKaQHx/9mZyL3NL1ZSLtC/WVZg9aGh0SEMYc2y99mNNz0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EIkuVz54; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EIkuVz54" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 839681F00893; Wed, 10 Jun 2026 04:30:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781065811; bh=Q2dbDMYtMWJ7GrwXOUIfrARKrLgRR91NvzaEon9RZuI=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=EIkuVz54SuOUsIdgzfbsppbVXLGzABmU7HPfrroifyec2JG8AAHmf84odEFVLHBTm JmkFLi+SpSFMBZ9YtzLvLrb9Xu/6U/emodblh2V7Ogk+UwZF+qSK1Q2Stu65qvWyKj 6jDONQqLYUafL4kFimS7m3ksoHJvwY+7MrAZ8kUJ0lioXPMcf+mGAwia93gpFr0rsa 3FD8TRVDGi61LfMNga+sWls+G6cAv64NT7N4ioX6e2xqzp1JrbQj5bF7fEvBUuQT43 ahtmj89MJ6xwmnCn7uZ9VbfJ9ROCkOczz7SKawj1FPyzzky6/sGUXKVv2KiFGgg3A+ n5v6nZbQeF21A== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D0B5F3930A21; Wed, 10 Jun 2026 04:30:10 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next v2 0/2] selftests/bpf: Fix tests for llvm23 true signature From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178106580939.2828762.10870449379729084922.git-patchwork-notify@kernel.org> Date: Wed, 10 Jun 2026 04:30:09 +0000 References: <20260609233402.2711071-1-yonghong.song@linux.dev> In-Reply-To: <20260609233402.2711071-1-yonghong.song@linux.dev> To: Yonghong Song Cc: bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org, daniel@iogearbox.net, kernel-team@fb.com, martin.lau@kernel.org Hello: This series was applied to bpf/bpf-next.git (master) by Alexei Starovoitov : On Tue, 9 Jun 2026 16:34:02 -0700 you wrote: > LLVM23 ([1]) records the 'true' function signature in BTF, i.e. the > signature inferred after optimization rather than the one written in C. > This caused two kinds of selftest failures (see below). > > Case 1: keep int return type for tailcall subprogs > > The verifier requires any subprog that issues a bpf_tail_call to return > an 'int' (see check_btf_func() in kernel/bpf/check_btf.c, which rejects > it with "tail_call is only allowed in functions that return 'int'"). > > [...] Here is the summary with links: - [bpf-next,v2,1/2] selftests/bpf: Keep int return type for tailcall subprogs https://git.kernel.org/bpf/bpf-next/c/be1d838b88e4 - [bpf-next,v2,2/2] selftests/bpf: Adjust fexit_bpf2bpf ctx layout for llvm23 true signature https://git.kernel.org/bpf/bpf-next/c/e775c522a455 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html