From patchwork Tue Dec 17 18:29:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Wagner X-Patchwork-Id: 852301 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6A09B1F8930; Tue, 17 Dec 2024 18:29:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734460189; cv=none; b=LBbDuHrvRHjWxL2dTkrzNJj2yzzPJ4SJPefhb3//0szeXQmftu1+BMlF16pW+rdeMbWJfRUQkhfhaDZeeugPK9OFZDFmu39DoDrF33hzqH68no3bCY/8jxOw8rkKCWomF4yW7Er+8wccBrMKct2+Mg3wXLMgqWghAmhLlOhw5Iw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734460189; c=relaxed/simple; bh=jEw2W00hJQ1lt+cTJ+qzs1E4wepHrE7BqSO1rO5WRPQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=R/8F8YACXNBZE6m9V774q+/t8EDHIl+L/cHK7yEquqZaJm32UXNcCA9U0LSw2Op5kArFs7pLHT4a2ZOj0nsJABoYdvy/jQt2MqPzzD8ZNAIRxPNQcH0wuqntGxIu52bdSAcWVhutKly5iqqifgbdvIbFI1l67X9yUx34HRlxcEo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Fg2T7St/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Fg2T7St/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5F1A3C4CED3; Tue, 17 Dec 2024 18:29:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1734460188; bh=jEw2W00hJQ1lt+cTJ+qzs1E4wepHrE7BqSO1rO5WRPQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Fg2T7St/v8YfU2qpzV7JQguqKZ21VuLdqCSDnXtpZhe1E/4yDcm3yEvMRZsMOeYzM 5vUp66eT2WwpL0W/0K1D33L2GqqTbL0QmIzJ8ODYOoxrnQVI2quOOvgZOGY2O2WQnH ks+eXh1WTZARtVTrjzPzTwef4rK/tJCNA2RtmKGIPG1YuM5ih6YY+/3COClq7MuHFk 5fJldEHT+48JpzBaL78xmuZajblNhHjPw0IZmy4zkXaF5mWhpIqgxuO8GwgAZTDSSL T48xkQHtP6zxb24x4wJWXZAoPJmmRDZBeCmGXY87GT1sh4Q2Ej08IsLbwHf6T0XpWv MVbbrGI9Dlp8g== From: Daniel Wagner Date: Tue, 17 Dec 2024 19:29:36 +0100 Subject: [PATCH v4 2/9] sched/isolation: document HK_TYPE housekeeping option Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241217-isolcpus-io-queues-v4-2-5d355fbb1e14@kernel.org> References: <20241217-isolcpus-io-queues-v4-0-5d355fbb1e14@kernel.org> In-Reply-To: <20241217-isolcpus-io-queues-v4-0-5d355fbb1e14@kernel.org> To: Jens Axboe , Keith Busch , Christoph Hellwig , Sagi Grimberg , Kashyap Desai , Sumit Saxena , Shivasharan S , Chandrakanth patil , "Martin K. Petersen" , Nilesh Javali , GR-QLogic-Storage-Upstream@marvell.com, Don Brace , "Michael S. Tsirkin" , Jason Wang , Paolo Bonzini , Stefan Hajnoczi , =?utf-8?q?Eugenio_P=C3=A9rez?= , Xuan Zhuo , Andrew Morton , Thomas Gleixner Cc: Costa Shulyupin , Juri Lelli , Valentin Schneider , Waiman Long , Ming Lei , =?utf-8?q?Michal_Koutn=C3=BD?= , Frederic Weisbecker , Mel Gorman , Hannes Reinecke , Sridhar Balaraman , "brookxu.cn" , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, megaraidlinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, storagedev@microchip.com, virtualization@lists.linux.dev, Daniel Wagner X-Mailer: b4 0.14.2 The enum is a public API which can be used all over the kernel. This warrants a bit of documentation. Signed-off-by: Daniel Wagner --- include/linux/sched/isolation.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/linux/sched/isolation.h b/include/linux/sched/isolation.h index 2b461129d1fad0fd0ef1ad759fe44695dc635e8c..6649c3a48e0ea0a88c84bf5f2a74bff039fadaf2 100644 --- a/include/linux/sched/isolation.h +++ b/include/linux/sched/isolation.h @@ -6,6 +6,19 @@ #include #include +/** + * enum hk_type - housekeeping cpu mask types + * @HK_TYPE_TIMER: housekeeping cpu mask for timers + * @HK_TYPE_RCU: housekeeping cpu mask for RCU + * @HK_TYPE_MISC: housekeeping cpu mask for miscalleanous resources + * @HK_TYPE_SCHED: housekeeping cpu mask for scheduling + * @HK_TYPE_TICK: housekeeping cpu maks for timer tick + * @HK_TYPE_DOMAIN: housekeeping cpu mask for general SMP balancing + * and scheduling algoririthms + * @HK_TYPE_WQ: housekeeping cpu mask for worksqueues + * @HK_TYPE_MANAGED_IRQ: housekeeping cpu mask for managed IRQs + * @HK_TYPE_KTHREAD: housekeeping cpu mask for kthreads + */ enum hk_type { HK_TYPE_TIMER, HK_TYPE_RCU,