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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 17565EE645E for ; Wed, 31 Dec 2025 17:36:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:References:Cc:To:Subject:MIME-Version:Date: Message-ID:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=D+hPaZspsreAv3BlbsaDeG27kbGxsQkCDH5b5xlUDn0=; b=Rqu0idpmQVVpPJVxgzBvqUKDQ1 4sbraWvrxh8fB7WtF9A/sngiyoKeXilTu7R4oAW0VJYWBR9QpNe/c3Ql7FTO6mJge60/ugTh55VzI eNdI296qy6jQg+PCHWGGRiM1TI9qUG6oXX2IJMeDwuABPN+fvx99saoMFBEp20Iy6pLizr4RYedui gw4EF/IkYwBL0zYnt8eD89icUnRACqnNyO3bRPUpFnB088Xs6mduJ33Uas85FtpT4ax6NpMWH8yEQ LbNeta2y0zwJSggtfXaVTEWUZYUebfVEllOzSA3KBXnkc0UR/NdWQAoc7WB4H/BCSKglWoZTZwntU W1rgwmIA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vb07R-00000006Cba-2gPD; Wed, 31 Dec 2025 17:36:21 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vb07O-00000006Cay-33RL for linux-arm-kernel@lists.infradead.org; Wed, 31 Dec 2025 17:36:20 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1767202575; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=D+hPaZspsreAv3BlbsaDeG27kbGxsQkCDH5b5xlUDn0=; b=dUaCXPC00STyPH5dRgaZrCDA6oegajlm3h5WhS69DffIGceHIdORvuBCtq8RLiz1jvvEE4 ts6KOuwujVqq9PNtCY4J/PfYTbVVRQVIxgIHkTKPSPYrZdvCQTdwgfrpUqJTiJL99Lbvx1 jAM2qkE/WDXb24v4g7cRkj6mBAL72Sw= Received: from mail-pg1-f200.google.com (mail-pg1-f200.google.com [209.85.215.200]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-361-vy6lIpwUO8q0u6zGVEcPJA-1; Wed, 31 Dec 2025 12:36:13 -0500 X-MC-Unique: vy6lIpwUO8q0u6zGVEcPJA-1 X-Mimecast-MFC-AGG-ID: vy6lIpwUO8q0u6zGVEcPJA_1767202572 Received: by mail-pg1-f200.google.com with SMTP id 41be03b00d2f7-b630753cc38so18327711a12.1 for ; Wed, 31 Dec 2025 09:36:13 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767202564; x=1767807364; h=content-transfer-encoding:in-reply-to:content-language:references :cc:to:subject:user-agent:mime-version:date:message-id:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=D+hPaZspsreAv3BlbsaDeG27kbGxsQkCDH5b5xlUDn0=; b=YPynJvbdAWNYMAZVR9L780KBxKK5hbxI91G2lyVuNP6dwHPPwZvToCF77F1O7EyE+F zVWSCes2/35HtdVrI6mqynsMupOCGzFEgDdJQ+aHmgIEm52mvk+kHFX6iGxqIoYrO2CA LCugzNfOrtjGyJB/sWuPcEKV1KwYNJlDt1oQ9a3lGxqWZyPc78e4vdfkVnW3OJ2rXcwe MisCxxm+QkHlFDV9SCiqpqv/DVb+t+I2kgCY20ZZYWuYsgH54G6gYEVYOl9qvE9rduy0 e2H1quCKvRtubyKJfUv9+XqeBGqvjDssL5HN49lwMrPUq3U1DRv5bgv2/SiPZd2M7DAN WOfA== X-Forwarded-Encrypted: i=1; AJvYcCUw28R8zh99kHzxZT1yj6k4vad/N/tkKEIdFjA7QM99876NecMUf2991JBhz6pL75FZhYauYLSaFJJugrPV5sMc@lists.infradead.org X-Gm-Message-State: AOJu0YyMh3HLwRi8jq5XBBWJi85d6pIsZTOJLctwiQdWOiCjSRlSDWZY Te6j6apFkLLBNJxsh2y9xl/2npV5Nv8a5bGN+QeXY6V/W9AmBJC+PTFzK8NNc9BalKzhxgQerLR AgPtekGvPbVZWcqHIpyd6aIycFekk5DLavuglglss99fIozUQlqSJFhz9f9paIfquvpZ1BJIoxj 6K X-Gm-Gg: AY/fxX5tvYR/Iq9xypBSL+tdrfGPMRPIjhQ6SfvNMRbojBKPpDOMeQEKeCoWgs6Tz7v yAYJEynktYnTgAklXbKnya6ZRZ7+8gpQfIGEHfPwsqtDkaKDQZ4fsNJZzS2QNARU+OcoV97cFFn PekuLjcLQfghmzrBDD3qaNm89xKHrGthQiHQg+C3UNnj73bkjjSVr5uGhI1SuW8zJUQgXuhEik7 xLr/xn5xaJW3rS2KZti/0CP0S8pWITTNKnxF3JnvmECWV6GthXgBInoLWAb+voO+Ny1NEyBiR+F bEmngxhjKV1mMl2IdGT1MieUypACE+gTRF3gnkPLEJJ9wAujP1+AYS1nLP/R6cEQQu1bIfqGqY0 5RAaVDoW6TNbY87maOjq8bCnvWSEWGy4WFWLERf+MfwPB8Lkc X-Received: by 2002:a05:7022:6722:b0:11d:f464:38b3 with SMTP id a92af1059eb24-121722a9757mr33784171c88.2.1767202564098; Wed, 31 Dec 2025 09:36:04 -0800 (PST) X-Google-Smtp-Source: AGHT+IEi3paBF328Dvc54FaF7ePmfKoOt8e8CqfUvXWomZaBGFhC0nmzfA+IqOZP166rR45yxweuTA== X-Received: by 2002:a05:7022:6722:b0:11d:f464:38b3 with SMTP id a92af1059eb24-121722a9757mr33784129c88.2.1767202563623; Wed, 31 Dec 2025 09:36:03 -0800 (PST) Received: from [10.61.55.87] (syn-184-074-098-043.biz.spectrum.com. [184.74.98.43]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2b05ff8634csm87792829eec.3.2025.12.31.09.35.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 31 Dec 2025 09:36:03 -0800 (PST) From: Waiman Long X-Google-Original-From: Waiman Long Message-ID: Date: Wed, 31 Dec 2025 12:35:49 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 33/33] doc: Add housekeeping documentation To: Frederic Weisbecker , Waiman Long Cc: LKML , =?UTF-8?Q?Michal_Koutn=C3=BD?= , Andrew Morton , Bjorn Helgaas , Catalin Marinas , Chen Ridong , Danilo Krummrich , "David S . Miller" , Eric Dumazet , Gabriele Monaco , Greg Kroah-Hartman , Ingo Molnar , Jakub Kicinski , Jens Axboe , Johannes Weiner , Lai Jiangshan , Marco Crivellari , Michal Hocko , Muchun Song , Paolo Abeni , Peter Zijlstra , Phil Auld , "Rafael J . Wysocki" , Roman Gushchin , Shakeel Butt , Simon Horman , Tejun Heo , Thomas Gleixner , Vlastimil Babka , Will Deacon , cgroups@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-block@vger.kernel.org, linux-mm@kvack.org, linux-pci@vger.kernel.org, netdev@vger.kernel.org References: <20251224134520.33231-1-frederic@kernel.org> <20251224134520.33231-34-frederic@kernel.org> <370149fc-1624-4a16-ac47-dd9b2dd0ed29@redhat.com> In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 18LkFCtHxX8wU-0vv6VFN-UN6NK3NwnjJuI0l0LHCw8_1767202572 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251231_093618_842497_DBCF82F8 X-CRM114-Status: GOOD ( 14.90 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 12/31/25 10:25 AM, Frederic Weisbecker wrote: > Le Fri, Dec 26, 2025 at 07:39:28PM -0500, Waiman Long a écrit : >> On 12/24/25 8:45 AM, Frederic Weisbecker wrote: >>> Signed-off-by: Frederic Weisbecker >>> --- >>> Documentation/core-api/housekeeping.rst | 111 ++++++++++++++++++++++++ >>> Documentation/core-api/index.rst | 1 + >>> 2 files changed, 112 insertions(+) >>> create mode 100644 Documentation/core-api/housekeeping.rst >>> >>> diff --git a/Documentation/core-api/housekeeping.rst b/Documentation/core-api/housekeeping.rst >>> new file mode 100644 >>> index 000000000000..e5417302774c >>> --- /dev/null >>> +++ b/Documentation/core-api/housekeeping.rst >>> @@ -0,0 +1,111 @@ >>> +====================================== >>> +Housekeeping >>> +====================================== >>> + >>> + >>> +CPU Isolation moves away kernel work that may otherwise run on any CPU. >>> +The purpose of its related features is to reduce the OS jitter that some >>> +extreme workloads can't stand, such as in some DPDK usecases. >> Nit: "usecases" => "use cases" > Are you sure? I'm not a native speaker but at least the kernel > has established its use: > > $ git grep usecase | wc -l > 517 "usecase" is not a proper word by itself, but people do use it some times. $ git grep "use case" | wc -l 694 Anyway, you can keep it if you want. It is not something that is worth arguing for. :-) Cheers, Longman