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 E265BC433F5 for ; Fri, 30 Sep 2022 16:26:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232132AbiI3Q0J (ORCPT ); Fri, 30 Sep 2022 12:26:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232126AbiI3Q0C (ORCPT ); Fri, 30 Sep 2022 12:26:02 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D94E7FEE57; Fri, 30 Sep 2022 09:26:00 -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 ams.source.kernel.org (Postfix) with ESMTPS id 4B5BDB82961; Fri, 30 Sep 2022 16:25:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 733BEC433D6; Fri, 30 Sep 2022 16:25:55 +0000 (UTC) From: Catalin Marinas To: rostedt@goodmis.org, mhiramat@kernel.org, paul.walmsley@sifive.com, aou@eecs.berkeley.edu, maz@kernel.org, alexandru.elisei@arm.com, will@kernel.org, Liao Chang , palmer@dabbelt.com, guoren@kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org Subject: Re: (subset) [PATCH V4 0/3] kprobe: Optimize the performance of patching ss Date: Fri, 30 Sep 2022 17:25:53 +0100 Message-Id: <166455513411.3737568.2438972272060446845.b4-ty@arm.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220927022435.129965-1-liaochang1@huawei.com> References: <20220927022435.129965-1-liaochang1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 27 Sep 2022 10:24:32 +0800, Liao Chang wrote: > Single-step slot would not be used until kprobe is enabled, that means > no race condition occurs on it under SMP, hence it is safe to pacth ss > slot without stopping machine. > > v4: > 1. Add Acked-by from Will Deacon > 2. Mark Rutland provides some subtleties on arm64 micro-architecture > that needs to follow. > > [...] Applied to arm64 (for-next/misc), thanks! [3/3] arm64/kprobe: Optimize the performance of patching single-step slot https://git.kernel.org/arm64/c/a0caebbd0460 -- Catalin