From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:48716 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727229AbeIXRDO (ORCPT ); Mon, 24 Sep 2018 13:03:14 -0400 Date: Mon, 24 Sep 2018 13:01:40 +0200 From: "gregkh@linuxfoundation.org" To: "Singh, Brijesh" Cc: "stable@vger.kernel.org" , "Lendacky, Thomas" Subject: Re: Add timeout support for SEV commands Message-ID: <20180924110140.GI16476@kroah.com> References: <1537391336-3877-1-git-send-email-brijesh.singh@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1537391336-3877-1-git-send-email-brijesh.singh@amd.com> Sender: stable-owner@vger.kernel.org List-ID: On Wed, Sep 19, 2018 at 09:09:09PM +0000, Singh, Brijesh wrote: > Hi Greg, > > Several peoples have reported the hung-task detector complains > about an uninterruptible sleep in ccp driver with recent BIOS updates > on Ryzen systems. During debug we found that recent BIOS updates have > wrongly advertised that it supports SEV feature when it does not. We > have made driver a bit more robust against this firmware bug. The > patch is accepted in Linus tree for this. Due to some offset changes > (and code restructure) I was not able to use upstream patch as-is. > Doing a separate patch for 4.18, 4.17 and 4.16. Please let me know if > you have any questions. 4.17 and 4.16 are long end-of-life, nothing I can do there, sorry. But I have queued up your 4.18.y backport, thanks for that. greg k-h