From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:37270 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728848AbgCCONB (ORCPT ); Tue, 3 Mar 2020 09:13:01 -0500 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 023DtUkh018359 for ; Tue, 3 Mar 2020 09:13:01 -0500 Received: from e06smtp05.uk.ibm.com (e06smtp05.uk.ibm.com [195.75.94.101]) by mx0a-001b2d01.pphosted.com with ESMTP id 2yfmwwbuma-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 03 Mar 2020 09:13:00 -0500 Received: from localhost by e06smtp05.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 3 Mar 2020 14:12:58 -0000 Date: Tue, 3 Mar 2020 15:12:52 +0100 From: Halil Pasic Subject: Re: [PATCH 0/2] virtio-blk: improve handling of DMA mapping failures In-Reply-To: <20200213123728.61216-1-pasic@linux.ibm.com> References: <20200213123728.61216-1-pasic@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Message-Id: <20200303151252.59d45e86.pasic@linux.ibm.com> Sender: linux-s390-owner@vger.kernel.org List-ID: To: "Michael S. Tsirkin" , Jason Wang Cc: Paolo Bonzini , Stefan Hajnoczi , Jens Axboe , virtualization@lists.linux-foundation.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, Christian Borntraeger , Viktor Mihajlovski , Cornelia Huck , Ram Pai , Thiago Jung Bauermann , "Lendacky, Thomas" On Thu, 13 Feb 2020 13:37:26 +0100 Halil Pasic wrote: > Two patches are handling new edge cases introduced by doing DMA mappings > (which can fail) in virtio core. > > I stumbled upon this while stress testing I/O for Protected Virtual > Machines. I deliberately chose a tiny swiotlb size and have generated > load with fio. With more than one virtio-blk disk in use I experienced > hangs. > > The goal of this series is to fix those hangs. > > Halil Pasic (2): > virtio-blk: fix hw_queue stopped on arbitrary error > virtio-blk: improve virtqueue error to BLK_STS > > drivers/block/virtio_blk.c | 17 ++++++++++++----- > 1 file changed, 12 insertions(+), 5 deletions(-) > > > base-commit: 39bed42de2e7d74686a2d5a45638d6a5d7e7d473 ping Hi Michael, hi Jason, I got some favorable reviews for this, but AFAIK I got nothing form the maintainers yet. Is some of you going to pick these? Regards, Halil