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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 781B2EB64D7 for ; Wed, 28 Jun 2023 18:30:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231203AbjF1Sa3 (ORCPT ); Wed, 28 Jun 2023 14:30:29 -0400 Received: from dfw.source.kernel.org ([139.178.84.217]:34600 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229662AbjF1Sa1 (ORCPT ); Wed, 28 Jun 2023 14:30:27 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A96F361423 for ; Wed, 28 Jun 2023 18:30:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BB3F5C433C8; Wed, 28 Jun 2023 18:30:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1687977026; bh=PmtejHBVnsfKbfKOpRegpS/0lrIXPAcjAXYUgPxOXCM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YHE2hIRaL4PxVWCgHPpbKDQVJMjxIerbjmZVGjS09c9S9WsaVJ+Vz08CtatFrb6Hk z6uA+XbHdMQM0/RosA7Lg+ZKIxW0eayf7uacAsM6nh0qqGfnC1uLx0z2FoxvtxVyq6 zczZHJLHM+vXEGU6R63jLZDxZhKXDswNZYc86q3Y= Date: Wed, 28 Jun 2023 20:30:15 +0200 From: Greg KH To: Jane Chu Cc: stable@vger.kernel.org, tony.luck@intel.com, dan.j.williams@intel.com, naoya.horiguchi@nec.com, linmiaohe@huawei.com, glider@google.com Subject: Re: [5.15/6.1-stable PATCH] Copy-on-write hwpoison recovery Message-ID: <2023062803-expulsion-shrubs-4b49@gregkh> References: <20230626230221.3064291-1-jane.chu@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230626230221.3064291-1-jane.chu@oracle.com> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Jun 26, 2023 at 05:02:17PM -0600, Jane Chu wrote: > I was able to reproduce crash on 5.15.y kernel during COW, and > when the grandchild process attempts a write to a private page > inherited from the child process and the private page contains > a memory uncorrectable error. The way to reproduce is described > in Tony's patch, using his ras-tools/einj_mem_uc. > And the patch series fixed the panic issue in 5.15.y. > > Followed here is the backport of Tony patch series to stable 5.15 > and stable 6.1. Both backport have encountered trivial conflicts > due to missing dependencies, details are provided in each patch. > > Please let me know whether the backport is acceptable. Looks good to me, all now queued up, thanks! greg k-h