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 A4D9DC6FD1F for ; Mon, 13 Mar 2023 15:28:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229982AbjCMP2n (ORCPT ); Mon, 13 Mar 2023 11:28:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39392 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229636AbjCMP2k (ORCPT ); Mon, 13 Mar 2023 11:28:40 -0400 Received: from mail-lj1-x235.google.com (mail-lj1-x235.google.com [IPv6:2a00:1450:4864:20::235]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A1DA434C13; Mon, 13 Mar 2023 08:28:38 -0700 (PDT) Received: by mail-lj1-x235.google.com with SMTP id b10so13064577ljr.0; Mon, 13 Mar 2023 08:28:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1678721317; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:date:from:from:to:cc:subject:date:message-id:reply-to; bh=s/Efv1Q+RhWD0A+py4ZpjEC//VTgOMnS23pAzZYge/8=; b=Zb7CYnLDxSGfdWSErnn5zIokQ5RWCC6jvTCf2NKa/i3fqVS/JyyH7xb9TyB4gQiV3J waQSg6467g9wEmjPb1ZeRKOOXEdHuj68FMfOIdB/iPuxAuXVNtBtlQZMSuUNVEodqmRi Jl0c/U6u5/IPaw+klPNt6hA+3b2UPePeF1ObD0Tj07YmBZODsmFqBEi82LU9Tf53O31k s66ORTg5UJHxzYBsPRDDIS1kKOKbZhySBqwtQBfnyCztLhqqw65FEqK1zlr1koD7iCwi gdLZt8rqZU9wst9I5nanDUijVMNmALWv7xHW9W/kHg/IApyVm1Pa+neBubMsxgPFXPHx vQVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678721317; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:date:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=s/Efv1Q+RhWD0A+py4ZpjEC//VTgOMnS23pAzZYge/8=; b=UplWiqIppT8jYP03M3W2nOlQ0Wz0KCibJRQu4ZdTM7M/wPA7Lu4pskkDvoGzZ/s3Km ZzzswlyzxoioIRN7pCuhzBDMUXLISNAl6150iMNN47K3jfVH+LfnafbxLesTC5AE7fAh 1GU/iRPQC5m6ljjqAd7M9GZafYVr/QMCHOQgSZTWB/BbN96GCy2ktC57L+gDTMkef5+W yOva6E9FiaD3WGEBtfB9peVGGLcRK2T3HdsriaIH4n6Q3KVtzhmBFjZuMlIqzys5bViH 2vmSxtAsFsai39PObGsJ7esBzthMcT20RwoFyydEK4oNVlQKCG7rITj0BhE2gy3QZuxW CZCg== X-Gm-Message-State: AO0yUKVHTgUsO/p8kuWkqSWHm+XKngsqgVojVvrErgqaHQ/n0F6Zgz6A N1lyQRru9IeBnof9rEQ6WfsJ6iIEAr8= X-Google-Smtp-Source: AK7set+UikKdNtAsVnEUzBfRceSmosi0YIVnO0yQn3ygsYHmI4F4JWW7qPA2WN4r37vxLp4CAISDPg== X-Received: by 2002:a2e:a586:0:b0:298:39fa:b04d with SMTP id m6-20020a2ea586000000b0029839fab04dmr12593338ljp.33.1678721316787; Mon, 13 Mar 2023 08:28:36 -0700 (PDT) Received: from pc636 (host-78-79-233-41.mobileonline.telia.com. [78.79.233.41]) by smtp.gmail.com with ESMTPSA id y20-20020a2e9d54000000b002958bf18efcsm25141ljj.104.2023.03.13.08.28.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Mar 2023 08:28:36 -0700 (PDT) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Mon, 13 Mar 2023 16:28:34 +0100 To: "Zhuo, Qiuxu" Cc: Uladzislau Rezki , "Paul E. McKenney" , Joel Fernandes , Frederic Weisbecker , "linux-kernel@vger.kernel.org" , Lai Jiangshan , "linux-doc@vger.kernel.org" , "rcu@vger.kernel.org" Subject: Re: [PATCH v3] rcu: Add a minimum time for marking boot as completed Message-ID: References: <20230307192726.GL1301832@paulmck-ThinkPad-P17-Gen-1> <20230308144528.GR1301832@paulmck-ThinkPad-P17-Gen-1> <20230309221056.GB148448@google.com> <8f8a40cd-8b1f-4121-98f7-7a1bdbcaf6a6@paulmck-laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 13, 2023 at 01:48:18PM +0000, Zhuo, Qiuxu wrote: > > From: Uladzislau Rezki > > [...] > > XQ-DQ54:/ # echo 1 > /sys/kernel/rc > > rcu_expedited rcu_improve_normal rcu_normal > > XQ-DQ54:/ # echo 1 > /sys/kernel/rcu_improve_normal > > Hi Rezki, > > I applied your prototype patch, but I did NOT find the sys-node: > "/sys/kernel/rcu_improve_normal" on my system. > > What is this node used for? What am I missing? Thanks! > > [ There were only "rcu_expedited" & " rcu_normal" sys nodes > on my system. ] > The prototype i posted does not have such helper, i added it just for my local tests. -- Uladzislau Rezki