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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8AC7EB8FA5 for ; Wed, 6 Sep 2023 10:32:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239153AbjIFKcD (ORCPT ); Wed, 6 Sep 2023 06:32:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45678 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239118AbjIFKcC (ORCPT ); Wed, 6 Sep 2023 06:32:02 -0400 Received: from mail-lj1-x22a.google.com (mail-lj1-x22a.google.com [IPv6:2a00:1450:4864:20::22a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1409C170E; Wed, 6 Sep 2023 03:31:54 -0700 (PDT) Received: by mail-lj1-x22a.google.com with SMTP id 38308e7fff4ca-2bcb89b4767so53707401fa.3; Wed, 06 Sep 2023 03:31:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1693996312; x=1694601112; darn=vger.kernel.org; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:date:from:from:to :cc:subject:date:message-id:reply-to; bh=6pAkRqgeQrygmWfSfN4PJKp03XDlNyzBHf9eQxSb1GQ=; b=acLbj7dsqwLJJ28lHVNun88AzJ4bA9stRjXQ5ll/vF8nmfKkHQ7JkUdcboPzeil7RP 23XmcXzD6X5SDZ0iu5t3/q12x5ZlADcRDOiQp0MtTK/mEEF3ZcSMnY0BqoH9pyr6ybdb +yR+l0Xui3Qg3nlFE4ltdJrwpkkmCcxBOgiCfgbz94Al4X3pOlueI/LwlS12jgTxOZP4 q7NFf3s0gZ7vKgl9S8rUycX8Eq6IQAaCh9bKfDgQzXxNydBIi/oFghRHry5FOLibcRvH 640V1R14vjQBkvDMzfAxVWQ+qj6tF6gzZBH2IpIZYFcoTAwUwaSwqX7ESy1n2srvDc8C wBkw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693996312; x=1694601112; h=in-reply-to:content-transfer-encoding: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=6pAkRqgeQrygmWfSfN4PJKp03XDlNyzBHf9eQxSb1GQ=; b=Ae/fYDdXPd3h1W0tfaMX10a4h5qQPXA/BA+yixAstcjtwKGYRT6MPom5YIZpZkLCCZ ANh4uoQeWJ0SFGzwiPx2b8RTUWRpiRLl1aQqL23r2Ldd1oiwmpa9w24d3+ToEogpNh1m 9++QO0jRPtpZJTu3oFMAQ8lwHJ+pTG7oeuj+P28knD6SpKt6b7PMQMdHkIjFDlCm97+H tPXmu3lg/6z50mclvbT0rbabG4y94PK/bdh6Gv4gIv57fA+l9oqwDcvo2mZ96dsuPt+m ctQUKnQS1ghA37Yah0Q1cAmBGJSfAtTGKli+7KGfSduJ+mw9XExOhJu6X+fjdHVIFKJw NxCg== X-Gm-Message-State: AOJu0YwDGmYGslKRmo7SOypBcfkYCSuXT8L6bBkCAZ6hPmXvIK2YM1fs nee03xPfr9EUna3I4ovy8Wo= X-Google-Smtp-Source: AGHT+IEdXslLqse0Kjy7k/XtDETw0FJMj96UkAyO5u6pB1rrm7q7InPsD+Cx2soqGvQkC9d5ra/WSw== X-Received: by 2002:a2e:7a1a:0:b0:2bc:b0ae:a9e5 with SMTP id v26-20020a2e7a1a000000b002bcb0aea9e5mr1957864ljc.42.1693996311969; Wed, 06 Sep 2023 03:31:51 -0700 (PDT) Received: from pc636 (host-90-235-20-237.mobileonline.telia.com. [90.235.20.237]) by smtp.gmail.com with ESMTPSA id a16-20020a2e9810000000b002bb99f6f2c7sm3372444ljj.90.2023.09.06.03.31.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Sep 2023 03:31:51 -0700 (PDT) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Wed, 6 Sep 2023 12:31:48 +0200 To: Marcus Seyfarth Cc: Uladzislau Rezki , paulmck@kernel.org, Bagas Sanjaya , Ziwei Dai , linux-kernel@vger.kernel.org, rcu@vger.kernel.org Subject: Re: Fwd: [6.5.1] Slow boot and opening files (RIP: kvfree_rcu_bulk) Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 05, 2023 at 09:07:40PM +0200, Marcus Seyfarth wrote: > Good. Please do not include that patch on top of 6.5.1 and higher kernels. > It just > breaks the things and is not considered as applicable, because the > functionality > which improves reclaim process is in place. > > As for slow boot up time, it is another issue and not related to RCU, IMHO. > > > Thanks for your help, I will  close the RCU-related bug report and file a > seperate report for the boot/shutdown/reboot problem. > You are welcome! Thank you for closing an RCU report. When it comes to a boot time issue, i see that user space is up and running and it seems kernel loading process is ongoing. It might be that some modules during inserting/probing take time. Like you mentioned, firmware related timing issues. -- Uladzislau Rezki