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 A0BBCEB64DD for ; Mon, 14 Aug 2023 02:04:08 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=OkkvN5LaeJ7jSZxGFsHd4Qul6dNlN5wnF04FypSAqNk=; b=nV8q8QIWjBmWB3k4Cx95FqGphW oIdE12Zi0hUSiUTDIz9JdhkLvfsSHUV6NGIyr0qNeJ0pB0w9g3vLHEzJIIhx+XaJ4/eZtjfoj55J0 f3+qFj+kQIgHZVWNQb34lPUIKaLwMzegSVyuMbOFBgh1ZgknYue8k6FHmRFMDOS5++lc4wg0s0ND2 BP0wc8rW7to5KfiOcnRR3hszVBTWxE+b7CxWbIKBT0v5c5WQKpipXe7NzmI0M1ONsf3vnob9cp8NC COLBSnuGAo57DmhIK4BUFY008tE+tKgbswxZKcxzZsiSk3xwe87VjhVMuQlOuNtLTMysrTas3f0fq /bUhorog==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qVMw7-00Fz6m-27; Mon, 14 Aug 2023 02:04:03 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qVMw4-00Fz6L-2k for linux-nvme@lists.infradead.org; Mon, 14 Aug 2023 02:04:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1691978636; 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=OkkvN5LaeJ7jSZxGFsHd4Qul6dNlN5wnF04FypSAqNk=; b=c+4/oHVFm/xnS3MXnP5HpjDuLGrLnd1upw0XmoN296Ha2MJlCPHI4dX/v+Vyk4p2SGWhyo 02P1cKaABdJg3ZAcL3F3Pg60snWGoONEyhqzu4lWbPBzawPA+voNnN0kPaUOH1KiYIBxJg u8nmg2JI7gobL/WE0HW38ITovRkqmO8= Received: from mimecast-mx02.redhat.com (66.187.233.73 [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-459-BNu-ZOwjOI-42Xcp2PFdzA-1; Sun, 13 Aug 2023 22:03:54 -0400 X-MC-Unique: BNu-ZOwjOI-42Xcp2PFdzA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id D89513C02532; Mon, 14 Aug 2023 02:03:53 +0000 (UTC) Received: from fedora (unknown [10.72.120.3]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 53B33400DE97; Mon, 14 Aug 2023 02:03:48 +0000 (UTC) Date: Mon, 14 Aug 2023 10:03:44 +0800 From: Ming Lei To: Guangwu Zhang Cc: Thomas Gleixner , linux-kernel@vger.kernel.org, Keith Busch , linux-nvme@lists.infradead.org, linux-block@lists.infradead.org, Yi Zhang , ming.lei@redhat.com Subject: Re: [PATCH] lib/group_cpus.c: avoid to acquire cpu hotplug lock in group_cpus_evenly Message-ID: References: <20230810021640.252033-1-ming.lei@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230813_190400_999408_49F55035 X-CRM114-Status: GOOD ( 10.78 ) X-BeenThere: linux-nvme@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-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Hello Thomas and Guys, On Fri, Aug 11, 2023 at 06:59:25PM +0800, Guangwu Zhang wrote: > Hi Ming, > I don't find any IO block after apply the patch. > > Tested-by: Guangwu Zhang Can you take a look at this fix? And this one solves a couple of nvme io hang report in case of cpu hotplug & reset involved. Thanks, Ming