From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64109C433FE for ; Fri, 21 Oct 2022 02:10:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229728AbiJUCKY (ORCPT ); Thu, 20 Oct 2022 22:10:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34478 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229906AbiJUCKV (ORCPT ); Thu, 20 Oct 2022 22:10:21 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 45F3B11876B for ; Thu, 20 Oct 2022 19:10:18 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E922461D99 for ; Fri, 21 Oct 2022 02:10:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 3C8C5C433D7; Fri, 21 Oct 2022 02:10:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666318217; bh=AVTl01TocOJcPmPGCD57pQ7lNnHuT9LkpxdGoKAYQZI=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=T3q8Mcnd9fSC2Dj2Ew1lEK6wE3U30K/2J8Ew8kIZoRJ3bVaJ325aTfh7syZ7rZjZu 54aM+h2MFh9bMFBJfHqyTTKqF1UtgSHz25ovooa5O0hek/iaJcF7YwRbYJ7l+U5rvA ADpSH2/Adn3vNYZ6R65kCEhNKOeocL2K4kQNDuge8dOvdQvosDE1+GRiTJ62WY7Uu1 iWNk2VnQ1NF2yrENABHnmsn0nWKic8b8lExfjeW/Pp6t/zEGqz1ga/zuH7dAxibZiP X7HEyxa69mbLmGqgfI+i8EqFxxMMb7gT7yTr63/L5eUxuTlCn/1PnGw8j8w5UNX6CB xIb24e06fJSYA== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 19EF1E270E5; Fri, 21 Oct 2022 02:10:17 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf] bpf: Fix dispatcher patchable function entry to 5 bytes nop From: patchwork-bot+netdevbpf@kernel.org Message-Id: <166631821710.26286.14324493023868146396.git-patchwork-notify@kernel.org> Date: Fri, 21 Oct 2022 02:10:17 +0000 References: <20221018075934.574415-1-jolsa@kernel.org> In-Reply-To: <20221018075934.574415-1-jolsa@kernel.org> To: Jiri Olsa Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, peterz@infradead.org, bpf@vger.kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, john.fastabend@gmail.com, kpsingh@chromium.org, sdf@google.com, haoluo@google.com Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hello: This patch was applied to bpf/bpf.git (master) by Alexei Starovoitov : On Tue, 18 Oct 2022 09:59:34 +0200 you wrote: > The patchable_function_entry(5) might output 5 single nop > instructions (depends on toolchain), which will clash with > bpf_arch_text_poke check for 5 bytes nop instruction. > > Adding early init call for dispatcher that checks and change > the patchable entry into expected 5 nop instruction if needed. > > [...] Here is the summary with links: - [bpf] bpf: Fix dispatcher patchable function entry to 5 bytes nop https://git.kernel.org/bpf/bpf/c/dbe69b299884 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html