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Fri, 21 Mar 2025 13:34:44 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.44.33.60]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id 0D4B019560AF; Fri, 21 Mar 2025 13:34:35 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Fri, 21 Mar 2025 14:34:12 +0100 (CET) Date: Fri, 21 Mar 2025 14:34:01 +0100 From: Oleg Nesterov To: David Hildenbrand , Andrew Morton , Peter Zijlstra Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Andrii Nakryiko , Matthew Wilcox , Russell King , Masami Hiramatsu , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , "Liang, Kan" , Tong Tiangen Subject: Re: [PATCH v3 0/3] kernel/events/uprobes: uprobe_write_opcode() rewrite Message-ID: <20250321133401.GB4776@redhat.com> References: <20250321113713.204682-1-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250321113713.204682-1-david@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250321_133458_755101_1446E16C X-CRM114-Status: GOOD ( 12.36 ) 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 03/21, David Hildenbrand wrote: > > Based on mm/unstable. which has another fix from David in __replace_page() plus the fix from Tong in uprobe_write_opcode(). So, Andrew, could you take this series as well? Peter, will you agree? > Currently, uprobe_write_opcode() implements COW-breaking manually, which is > really far from ideal. It was never ideal, but today it is simply horrible ;) Thanks again for your work. Oleg.