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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB028D75E25 for ; Fri, 22 Nov 2024 11:07:44 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 4886E6B00A9; Fri, 22 Nov 2024 06:07:44 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 437476B00AB; Fri, 22 Nov 2024 06:07:44 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2D7786B00AC; Fri, 22 Nov 2024 06:07:44 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 0D5EA6B00A9 for ; Fri, 22 Nov 2024 06:07:44 -0500 (EST) Received: from smtpin17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 8CDB11617A8 for ; Fri, 22 Nov 2024 11:07:43 +0000 (UTC) X-FDA: 82813451826.17.AC33F28 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) by imf23.hostedemail.com (Postfix) with ESMTP id 7E57814000B for ; Fri, 22 Nov 2024 11:07:06 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=infradead.org header.s=desiato.20200630 header.b=FxGSQpdO; dmarc=none; spf=none (imf23.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.92.199) smtp.mailfrom=peterz@infradead.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1732273475; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=jji/7XRHcaGMBULxQ6QXItOGJLcPdj5UvUmIxK4X7tw=; b=IvYWKKuKT/B6BzkIxi+CPay85z9IGCgnE7/xnAnJ6BjbKyre29GRBkKDBGiGD5ZNJyXQED 5SfT1vrm378vIFkjOEMEEM8TbkKlq2MenN4fHypTCwgCv4P7JSrZ/7Zev+F8oThJbImJhe quWG/smPQgjeuUQnrBD8/A2YBCvTGHg= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=pass header.d=infradead.org header.s=desiato.20200630 header.b=FxGSQpdO; dmarc=none; spf=none (imf23.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.92.199) smtp.mailfrom=peterz@infradead.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1732273475; a=rsa-sha256; cv=none; b=5dGrzRyVYVSCh+++MxTNBuUYCJbu677wc/N2rYMbOjt1Unz2ZWoFRDmdESeuHD4y87sDZg qNGVGq5YQGaVE49rt41QXiNBmTn5Lz1MDlHq7elgWB/yY9o4Qod7nNRVx17VLnDNd+VbA2 fCFENHlF2gDLXn6rRqanOqcE1/HslXI= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=jji/7XRHcaGMBULxQ6QXItOGJLcPdj5UvUmIxK4X7tw=; b=FxGSQpdO9Gg4KSR0Myh6q/JWhz tD8ewDhyuKBh+Fzfgyv+hQN1PTeNExqJkHHXIjVWoNtIm8+JNXPiDVIYufft6wqhvozBi2pYB7GPx fpYtIieaVy9PBujdu+sowJEA3eVs4zAX0mWIy5HfQli6E4JUWDTI+mqjerbQOUiIBTyQ0DVg/zhXS cBa9FoZJdjCn5RJCZSoYNGvUeC9Ux3N5ywK23efFob/IPmtj2JzDqSoFHqMox0rnPadU1EMh6CJRi xav8wsvMt7Tju/KBN8NRlvTImYnLrFIGz6Ez+yhDxkp5+6MWGYy3GTSk5eB2NmecNRtpVUM4rEYD6 C3mNiXOw==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1tERVh-00000000hHe-2Eox; Fri, 22 Nov 2024 11:07:37 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 3086D30066A; Fri, 22 Nov 2024 12:07:37 +0100 (CET) Date: Fri, 22 Nov 2024 12:07:37 +0100 From: Peter Zijlstra To: Andrii Nakryiko Cc: linux-trace-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, mingo@kernel.org, torvalds@linux-foundation.org, oleg@redhat.com, rostedt@goodmis.org, mhiramat@kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, jolsa@kernel.org, paulmck@kernel.org, willy@infradead.org, surenb@google.com, mjguzik@gmail.com, brauner@kernel.org, jannh@google.com, mhocko@kernel.org, vbabka@suse.cz, shakeel.butt@linux.dev, hannes@cmpxchg.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, david@redhat.com, arnd@arndb.de, viro@zeniv.linux.org.uk, hca@linux.ibm.com Subject: Re: [PATCH v5 tip/perf/core 0/2] uprobes: speculative lockless VMA-to-uprobe lookup Message-ID: <20241122110737.GP24774@noisy.programming.kicks-ass.net> References: <20241122035922.3321100-1-andrii@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241122035922.3321100-1-andrii@kernel.org> X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 7E57814000B X-Stat-Signature: 7uanpdpxwijfdzkgyst8f5ag8qjmg39t X-Rspam-User: X-HE-Tag: 1732273626-433607 X-HE-Meta: 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 azNME3PH EupCNtlx+ATGNsdJMpgOIBxzGfzbX7sfF04KsFiAnv0/uHQk/Ffcug1VInhaI+Zou2rIWyXCWd0XcE9KfYGV8dqdX6txl0Myj8UABRKGYnvnUc0xOUthcAdCjVCXc3K/5rdsrRUU2AHSlkofUf+C6+KTJCjuPdyYBjCyTqJN3E7kBXL+iwtGG5Ausop2ra9UcGOd7 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Nov 21, 2024 at 07:59:20PM -0800, Andrii Nakryiko wrote: > Andrii Nakryiko (2): > uprobes: simplify find_active_uprobe_rcu() VMA checks > uprobes: add speculative lockless VMA-to-inode-to-uprobe resolution Thanks, assuming Suren is okay with me carrying his patches through tip, I'll make this land in tip/perf/core after -rc1.