Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp4228156pxb; Tue, 26 Jan 2021 16:21:02 -0800 (PST) X-Google-Smtp-Source: ABdhPJwgEU2DPwSOLMdFKYq2IfdgR3hBaTWBV8CicUPjBHTuJgNRMsljlXV9B+jy6UTScOPzuewW X-Received: by 2002:a17:906:2b9b:: with SMTP id m27mr5105904ejg.92.1611706862395; Tue, 26 Jan 2021 16:21:02 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611706862; cv=none; d=google.com; s=arc-20160816; b=KGdfhuHczYDZnZ50WB2RN8TxU0ISIU9pPVG55a7HGZOC8QoKbmJ1UZC1PHfr59yuT0 lKAcvaZZ7te2gfK1o5V5Jq4IFlkSoNabKRMl7wp6JxWHUfiROigIPq4j9gpgoKUDLggm +UYDxNLqZx5aZ1oLCwWpaK+hG3jMxSSGuom4t9EEhek6B0QW0ablRndyOztrWK6qOKYw vburbr2jl4K9bMAAtJdXR5LPSkL06kt6OVXUtWLPuP6NLuCv+RFMmH5hRydr/2vdEN/5 t3fTk+DIoP2E3FhHLShT7zs8T5W0jyVVLYD2ai+34FSyFRbTgjMhcuJqQ/R9o0etmaDS ifeQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=61DcvvqFSeI2xKBDCjNPZPv5QT1o+NX6QGvb0oEmkjc=; b=dFwnsjb6GWeC3agzWa2rLUMO73MUoG670LwCu8igScc81tYHVTM2D6pRdDCUpx66yt WxnmOPaMWm1fw53lKtFCU1esXwEaYjfLKBK/bgE5kV32FeH3VH/Jt2EWhhXuFCl3hA85 qEWuLTSoEB6ibNeizO6TSIlraZQrJrrmxZXt6wqTBNOjVO/ZyntXpxUmwwKIJziapJze f+sYJkG/cbulELiO9VSLTVMSx3rcpZBUoUsWsq5Y8U8YJ3RCPdYaLdKJa1RimsCN0CcH htMk3fcTL9bxH8z+i8x0WiC+HDG3LY+W+fGO4LzwG0KXTHmvqr/cGYWashHoHd4N/Zuz R13Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id ji20si82425ejc.719.2021.01.26.16.20.36; Tue, 26 Jan 2021 16:21:02 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388735AbhAZXZz (ORCPT + 99 others); Tue, 26 Jan 2021 18:25:55 -0500 Received: from mx2.suse.de ([195.135.220.15]:41478 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726308AbhAZGAi (ORCPT ); Tue, 26 Jan 2021 01:00:38 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id A3920AF52; Tue, 26 Jan 2021 05:59:55 +0000 (UTC) Date: Mon, 25 Jan 2021 21:59:49 -0800 From: Davidlohr Bueso To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, walken@google.com, mingo@kernel.org, tglx@linutronix.de, oleg@redhat.com, irogers@google.com, juri.lelli@redhat.com, vincent.guittot@linaro.org Subject: Re: [PATCH v2 5/7] rbtree, uprobes: Use rbtree helpers Message-ID: <20210126055949.wriil3xj7wx5peed@offworld> References: <20210125150953.679129361@infradead.org> <20210125151314.888570583@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20210125151314.888570583@infradead.org> User-Agent: NeoMutt/20201120 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 25 Jan 2021, Peter Zijlstra wrote: >Reduce rbtree boilerplate by using the new helpers. This reminds me of: https://lore.kernel.org/lkml/20200207180305.11092-6-dave@stgolabs.net/ Would a walk optimization (list+rbtree) serve here? Not sure how big the uprobes_trees gets. Thanks, Davidlohr