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 CC8FBCD3435 for ; Tue, 3 Sep 2024 14:00:09 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 254BC8D0172; Tue, 3 Sep 2024 10:00:09 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 204CA8D016E; Tue, 3 Sep 2024 10:00:09 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0F4148D0172; Tue, 3 Sep 2024 10:00:09 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id E657C8D016E for ; Tue, 3 Sep 2024 10:00:08 -0400 (EDT) Received: from smtpin13.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 8E3D4C036A for ; Tue, 3 Sep 2024 14:00:08 +0000 (UTC) X-FDA: 82523586096.13.7395CD0 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by imf14.hostedemail.com (Postfix) with ESMTP id 67853100019 for ; Tue, 3 Sep 2024 14:00:06 +0000 (UTC) Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=Tkax2lHD; spf=pass (imf14.hostedemail.com: domain of oleg@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=oleg@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1725371959; 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=vOyoZGP/p+DT+U1ETspm+Bx5HvccqPRxCBRFOBQrO4c=; b=BJkSPih8YT7IFwrFNo8DaYdse5ydh9ZHNYSVAebk3FcdRSO1z3kuZ2IBvqMOcOH3C4tGi6 GV+azgG409lqE7r8h0bAj0jmIlT3AqsYIElyh4WWTLe7v/ttIRNpBhxEPxUt/kGVCoO/BU SvOZuEe0novF0lnyAjyPb6VMnIe9wBk= ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=Tkax2lHD; spf=pass (imf14.hostedemail.com: domain of oleg@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=oleg@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1725371959; a=rsa-sha256; cv=none; b=saOJ7VlR2eyb6tMqhzgPReSGGx5nDQjIjOnM1piI1MrcnS++JIiu7suY6OE9eR8tcdj7ba uE/XwKuqjO/jLmY64hgGkK9P/deQkmePP4UI+JQJ+ceWl1+OmxI//H//ZweEgW6ru9d82m mLSLQfhqUjXg5neFSa7fMtunXJJuFEY= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1725372005; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=vOyoZGP/p+DT+U1ETspm+Bx5HvccqPRxCBRFOBQrO4c=; b=Tkax2lHDX8R01R3/6JYbmLkfFDBXW2nZHnRrhv1gVedHkKH7o1/9GGxSbloNrXNd5BtVES 9srCYzGUm/Yes/gR2RRj1SLnONIT8+8zMSECYUiQF/w32SHIGe5UlCqitGoARkrl1EU9ZD vtJzIpFyhexMuAH1iZb/ev7805JMwcY= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-350-VS-W_Pz6P-6r_Y7YKaslCw-1; Tue, 03 Sep 2024 10:00:01 -0400 X-MC-Unique: VS-W_Pz6P-6r_Y7YKaslCw-1 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 727E018EA8B6; Tue, 3 Sep 2024 13:59:59 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.45.226.38]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id BE0DD1956052; Tue, 3 Sep 2024 13:59:54 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Tue, 3 Sep 2024 15:59:49 +0200 (CEST) Date: Tue, 3 Sep 2024 15:59:43 +0200 From: Oleg Nesterov To: Peter Zijlstra Cc: Andrii Nakryiko , linux-trace-kernel@vger.kernel.org, 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, akpm@linux-foundation.org, linux-mm@kvack.org Subject: Re: [PATCH v4 0/8] uprobes: RCU-protected hot path optimizations Message-ID: <20240903135943.GE17936@redhat.com> References: <20240829183741.3331213-1-andrii@kernel.org> <20240830102400.GA20163@redhat.com> <20240903132103.GV4723@noisy.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240903132103.GV4723@noisy.programming.kicks-ass.net> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 67853100019 X-Stat-Signature: 6ksbh9d8jin69q9x84ejf668zwj1o16t X-HE-Tag: 1725372006-6941 X-HE-Meta: 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 gVLQXQR7 Nbnxpo4xeVny0+3avGXvgvkblzWT+sBCIuz//KDXGAyC0WClGmxYHcKCP8wN5J1+16724GTw4rv+Azpo3RERWgs3zxIwEca7MltJi7OOEdkiKIZ3WlddMt7gYvxj+cQ9lWjKcDhLr3KNGnsWbVmgRYONsEoBII6keHK6uoKBzVSYdDF4T2SO4jS5ejAvyB3541GG1cG1aqXbtueLwX+HHFE+psHf9YLfBoP4p8iX75MC9Qqg94VP8OSkbGKBMxtn7grxg+9U/KRm480xCQv+73zXrkXhTEYKS7VXO8n/Xl8iTGqbQvlWpgDHgRBjAPr0bVhzMbBq4rK5GVNjWCVS7j2olNiXvMC5edsg/A/dEdXv6nBrVlpXtt5ahxBAKWkTWeY2u5hZd3JcFSWYBrxSh6N7VSQ== 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 09/03, Peter Zijlstra wrote: > > On Fri, Aug 30, 2024 at 12:24:01PM +0200, Oleg Nesterov wrote: > > On 08/29, Andrii Nakryiko wrote: > > > > > > v3->v4: > > > - added back consumer_rwsem into consumer_del(), which was accidentally > > > omitted earlier (Jiri); > > > > still, > > > > Reviewed-by: Oleg Nesterov > > > > Let me go queue this in perf/core then. Thanks! FYI, Andrii was going to send another revision due to missing include inux/rcupdate_trace.h in kernel/events/uprobes.c. See the build failure reported kernel test robot: https://lore.kernel.org/all/202408310130.t9EBKteQ-lkp@intel.com/ Oleg.