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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3869ECCA470 for ; Wed, 8 Oct 2025 08:43:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=7O1I1Qi0fk79HabBdttOYeCAWTnXiIVAA2lWXhHyaro=; b=w+s2GrrWOC5V3OslLas7BoX95l e1KmX3i+lBTOfNVkzOgqQ3lEY/c2nPC1oD0lcU1Kwrmtk1kkzmtm/R6n5pG6ZDdA531G7WNqxGn4E XnKfqNCNCLGZrIEHR6yM7Ee3cGg98s12POtX7DNVAmiR4OG7dTnMvv8BWAptXMoFvUtmS1u2wOQnl RWgRqJbNYLYzwrso+O+q9CV1hy6Xfrzid64ZxZ4FnzeCp9LJouN6XN7Elo+Qdnl3ZUUsxnm/JYNi3 5KPFo6YrkOrZfutRaSA0edYPIqAouQwftkDnTndTgAzYJwAatWZDknTd4ChYLOdzmDwJ3Iab2N1P9 3X8yKU6A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v6Plk-00000003UAL-1Lqy; Wed, 08 Oct 2025 08:43:32 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v6Pli-00000003U9v-0RoN for linux-arm-kernel@lists.infradead.org; Wed, 08 Oct 2025 08:43:31 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 4BCE5440DA; Wed, 8 Oct 2025 08:43:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E1F0C4CEF9; Wed, 8 Oct 2025 08:43:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759913009; bh=8OIe0p1Hm72TWcZ007AOZ5v4Wu/FbHR/ip6j0BQUFzg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GGC93WONLn2hBON0l0RHXZ0oOiPOzZXazbIFXUy3uzdG0uLQYRXZvHQkSBb8FBgGt eA+xBTRVHfzDMB0xssKDbYwjQ6B/9sF74n4fYbfaTI9arfSxuk72+PdeD1/cPSMvMb FYB4a8dU0+8I16AMgfMhXkUgGz16aAPN4M2WrGJJ+I1KSnuDv1+VnBIP37vPmh1xdi GVhgE3RUOnYrdZpF3QfbSUcSThVlb3CLTYyf2SXUu80LNYOyu3oQhoemzfp6Q1nSn6 m5DFa0/pjzXrSOtH6Xv+2fQiII94sM/164+ouIDVI9yA9kjqIsOJDQuLoaUqv6Gqyx jB9wcsgEsgsUA== Date: Wed, 8 Oct 2025 09:43:24 +0100 From: Will Deacon To: Li Mengchen Cc: Mark Rutland , catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64: kgdb: Ensure atomic single-step execution Message-ID: References: <1756972043-12854-1-git-send-email-mengchenli64@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251008_014330_161449_77750F54 X-CRM114-Status: GOOD ( 10.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Oct 08, 2025 at 09:01:22AM +0800, Li Mengchen wrote: > I am writing to address a persistent issue in the community’s code related > to single-step tracing, which has remained unresolved for over a decade. > The code I have provided has been extensively tested and proven to work > across multiple hardware platforms and kernel versions, from 3.10 to the > latest releases. Its correctness and effectiveness are not up for debate. Ha! You're joking, right? If you're not willing to discuss the details of your patch then I guess I can just delete it instead. If you change your mind, please respond to Mark's comments, thanks. Will