From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 5D6991442E8 for ; Fri, 9 May 2025 01:53:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746755588; cv=none; b=AKNj7V4tjsZdsL3mV2YfiQBr5+WIuNgpY3hpfmoOT/dJ2LCBH8uL1UV3AjpgggXuj35M1fS05p2b07A5GR/Odebuk16ujtOwycE4tI8MnHlnmV+yqsC6ezkRyubQRF6PiN50qXo3XYBMnnutF+yeoD2EaoftboUg50iN4rxoGIo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746755588; c=relaxed/simple; bh=W0277QswbfWZl9S8ljC9qBK1GXArubsUaBeDAu81Sfk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XOv2dG7ion/jyqUs1GNNOvehai1qc46+o/F9cGb04DNVYNKmq7YDmg+cGC7CoJ4gb5k1p1jMEzBA85ZGActCrEfOfIa4fNkaTGFNuP+jWjPugkEVsT7HhYp5ypjAsSzWnCgZu3HiTUGDVmnamhoiMr7Pe45WsKnIUYHwYeWXcwQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=X0fvDw1b; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="X0fvDw1b" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1746755585; 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: in-reply-to:in-reply-to:references:references; bh=W0277QswbfWZl9S8ljC9qBK1GXArubsUaBeDAu81Sfk=; b=X0fvDw1blaqU6tGiGoe++u6wmoFVnMJFEeSLWROG6Bx/ZJpYxfORPTjHZ4F0nwlTH7zkso 6k1DiGG7cQ1/YF/SbB/reSLm0N1UvAR/yJtHAorFUNand/cXAcS5V+ho00gKB7W6A3wBfR hOrPXiwwbmCyErnL9U7v49uGuhrvcFU= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-503-LMT1uKaJM52iJgrwLH1oEw-1; Thu, 08 May 2025 21:53:03 -0400 X-MC-Unique: LMT1uKaJM52iJgrwLH1oEw-1 X-Mimecast-MFC-AGG-ID: LMT1uKaJM52iJgrwLH1oEw_1746755581 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id E6632195608A; Fri, 9 May 2025 01:53:00 +0000 (UTC) Received: from fedora (unknown [10.72.116.120]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C6DE719560B3; Fri, 9 May 2025 01:52:48 +0000 (UTC) Date: Fri, 9 May 2025 09:52:43 +0800 From: Ming Lei To: Daniel Wagner Cc: Jens Axboe , Keith Busch , Christoph Hellwig , Sagi Grimberg , "Michael S. Tsirkin" , "Martin K. Petersen" , Thomas Gleixner , Costa Shulyupin , Juri Lelli , Valentin Schneider , Waiman Long , Frederic Weisbecker , Mel Gorman , Hannes Reinecke , Mathieu Desnoyers , 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, GR-QLogic-Storage-Upstream@marvell.com Subject: Re: [PATCH v6 5/9] virtio: blk/scsi: use block layer helpers to calculate num of queues Message-ID: References: <20250424-isolcpus-io-queues-v6-0-9a53a870ca1f@kernel.org> <20250424-isolcpus-io-queues-v6-5-9a53a870ca1f@kernel.org> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250424-isolcpus-io-queues-v6-5-9a53a870ca1f@kernel.org> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 On Thu, Apr 24, 2025 at 08:19:44PM +0200, Daniel Wagner wrote: > Multiqueue devices should only allocate queues for the housekeeping CPUs > when isolcpus=io_queue is set. This avoids that the isolated CPUs get > disturbed with OS workload. With commit log fixed: Reviewed-by: Ming Lei thanks, Ming