From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 CD424944F for ; Thu, 5 Sep 2024 00:00:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725494435; cv=none; b=AnRXVVIXC5b36A2YNp213Cs29pcybLVyj5rM/3+2pO9eqqk8L9PWgkcaQ7pDE9rPQxfcqsuwSKLJ8LPHhqKJoI0/R0LJMtLtj4PC/yRT5LLv55sZpoxCSduM2hDyoT773bx19uo0M4mGg7nrc+Dswycl6uRJad1vffsNdp9BzPw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725494435; c=relaxed/simple; bh=OToYdF5wARfZVVOXxtKcgU6RP4vbqdgW7diRyL0BNmY=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=SPjebZUvVwGdM8rYyuD6n9Wh3p0R1XU7skf4jAXI4wo0rT0/6UpJCZQuHq/D0bjIGxL4sZ/Jtda3XYjasO27ohmXNND/ytbyeBDo3DPAsC1/QzCG88DRx6WXxWb3tZ60P4lFl8CRfbtB5Z5tY4N92oGDYTuyalJmtqDB5IFk3w8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BiiK6UAW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BiiK6UAW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 39EFDC4CEC2; Thu, 5 Sep 2024 00:00:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725494435; bh=OToYdF5wARfZVVOXxtKcgU6RP4vbqdgW7diRyL0BNmY=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=BiiK6UAWtqlJ6shE18QD6pb8MV43+NpvUeoSooEb/xb5ou3zSgD/Nyss6XTjh3kPd JQRb+CqmxaTumo4DR05eEG6nSJ0dwVP0idBtV03n5+KfImzA0+npHoGyWWzRuequYy QpveA8uMksrCo3NpO/682NGakCBspBwkU81OFuN+GCDeqbxFujLTuepKKHgRVC4sor gMtr//axLzkR06XiTeCzqdH5Ig5tFZ8Mb6MeUWudDYVKNXuXZOq/F1/SPkKvluxOZQ wmWjZwTe+JD68GDYHBNjDPQjZZp5BEEJBS4PllnWnYZfNwm/TdBN+xmyBhZ6K371wc L3Us0ozluWcqg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 33DB63822D30; Thu, 5 Sep 2024 00:00:37 +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 v3 1/2] bpf, x64: Fix a jit convergence issue From: patchwork-bot+netdevbpf@kernel.org Message-Id: <172549443601.1204284.9842696096405416322.git-patchwork-notify@kernel.org> Date: Thu, 05 Sep 2024 00:00:36 +0000 References: <20240904221251.37109-1-yonghong.song@linux.dev> In-Reply-To: <20240904221251.37109-1-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, hodgesd@meta.com Hello: This series was applied to bpf/bpf-next.git (master) by Alexei Starovoitov : On Wed, 4 Sep 2024 15:12:51 -0700 you wrote: > Daniel Hodges reported a jit error when playing with a sched-ext program. > The error message is: > unexpected jmp_cond padding: -4 bytes > > But further investigation shows the error is actual due to failed > convergence. The following are some analysis: > > [...] Here is the summary with links: - [bpf-next,v3,1/2] bpf, x64: Fix a jit convergence issue https://git.kernel.org/bpf/bpf-next/c/c8831bdbfbab - [bpf-next,v3,2/2] selftests/bpf: Add a selftest for x86 jit convergence issues https://git.kernel.org/bpf/bpf-next/c/eff5b5fffc1d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html