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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76C34C31E4B for ; Fri, 14 Jun 2019 14:55:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 40D202173C for ; Fri, 14 Jun 2019 14:55:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560524114; bh=qPHCZhWtcqEgDltgHB7RybMnRvVYxJdmMQbDX1h+qNM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=T/P9POrnNPbJkoAWAj+uqLQxaGyy2ylscE18sFHkf9zmZXhoIpgEeNL2D2/6ki0rZ Yg/kIHwDdE7PxWEgfcOqg5bv8HDeA5UYXhmWRmYSBjHNPFT7PggycAk+JMirwYHPA9 pmajqputay9KupnEMV03QuUl+CywlIm0dFgB9zg8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728304AbfFNOzN (ORCPT ); Fri, 14 Jun 2019 10:55:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:43160 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726647AbfFNOzN (ORCPT ); Fri, 14 Jun 2019 10:55:13 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6666E21537; Fri, 14 Jun 2019 14:55:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560524112; bh=qPHCZhWtcqEgDltgHB7RybMnRvVYxJdmMQbDX1h+qNM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=2ZKhN7rfbMH2nt9u5DB6cC1pmnjdP/PewuBTcd5bzVgUFiMZHL3q/b+2oQNSKue6G 5uPjmlDAzHSGM6+hQS1+Hb3uhlexta8eNeGMA/AZyXoUXQXhM/Qdp1U8iNu3QGnMti wAh90U3HvSfKTtX1guYOLFeuDdlg2TRY+4RV/n94= Date: Fri, 14 Jun 2019 16:55:10 +0200 From: Greg KH To: Ajay Kaher Cc: "aarcange@redhat.com" , "jannh@google.com" , "oleg@redhat.com" , "peterx@redhat.com" , "rppt@linux.ibm.com" , "jgg@mellanox.com" , "mhocko@suse.com" , "yishaih@mellanox.com" , "dledford@redhat.com" , "sean.hefty@intel.com" , "hal.rosenstock@gmail.com" , "matanb@mellanox.com" , "leonro@mellanox.com" , "linux-rdma@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , Srivatsa Bhat , Alexey Makhalov , Linus Torvalds Subject: Re: [PATCH] [v4.14.y] infiniband: fix race condition between infiniband mlx4, mlx5 driver and core dumping Message-ID: <20190614145510.GA14860@kroah.com> References: <1560199937-23476-1-git-send-email-akaher@vmware.com> <9C189085-083D-46EA-98DB-B11AD62051B6@vmware.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <9C189085-083D-46EA-98DB-B11AD62051B6@vmware.com> User-Agent: Mutt/1.12.0 (2019-05-25) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Fri, Jun 14, 2019 at 02:41:39PM +0000, Ajay Kaher wrote: > > On 10/06/19, 6:22 PM, "Ajay Kaher" wrote: > > > This patch is the extension of following upstream commit to fix > > the race condition between get_task_mm() and core dumping > > for IB->mlx4 and IB->mlx5 drivers: > > > > commit 04f5866e41fb ("coredump: fix race condition between > > mmget_not_zero()/get_task_mm() and core dumping")' > > > > Thanks to Jason for pointing this. > > > > Signed-off-by: Ajay Kaher > > Acked-by: Jason Gunthorpe > > Greg, I hope you would like to review and proceed further with this patch. If this is all calmed down now, I'll look at it next week, thanks. greg k-h