From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx3-rdu2.redhat.com ([66.187.233.73]:60966 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751840AbeEFTwG (ORCPT ); Sun, 6 May 2018 15:52:06 -0400 Date: Sun, 6 May 2018 22:52:03 +0300 From: "Michael S. Tsirkin" To: Amit Shah Cc: linux-kernel@vger.kernel.org, Arnd Bergmann , Greg Kroah-Hartman , virtualization@lists.linux-foundation.org, stable@vger.kernel.org, Tiwei Bie , Jason Wang Subject: Re: [PATCH 0/6] virtio-console: spec compliance fixes Message-ID: <20180506225142-mutt-send-email-mst@kernel.org> References: <1524248223-393618-1-git-send-email-mst@redhat.com> <20180424214104-mutt-send-email-mst@kernel.org> <20180503034529.GA16676@grmbl.mre> <20180503222702-mutt-send-email-mst@kernel.org> <20180506182430.GB19628@grmbl.mre> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180506182430.GB19628@grmbl.mre> Sender: stable-owner@vger.kernel.org List-ID: On Sun, May 06, 2018 at 08:24:30PM +0200, Amit Shah wrote: > On (Thu) 03 May 2018 [22:28:32], Michael S. Tsirkin wrote: > > On Thu, May 03, 2018 at 05:45:29AM +0200, Amit Shah wrote: > > > (apologies if you received a dup) > > > > > > On (Tue) 24 Apr 2018 [21:41:29], Michael S. Tsirkin wrote: > > > > On Fri, Apr 20, 2018 at 09:17:59PM +0300, Michael S. Tsirkin wrote: > > > > > Turns out virtio console tries to take a buffer out of an active vq. > > > > > Works by sheer luck, and is explicitly forbidden by spec. And while > > > > > going over it I saw that error handling is also broken - > > > > > failure is easy to trigger if I force allocations to fail. > > > > > > > > > > Lightly tested. > > > > > > > > Amit - any feedback before I push these patches? > > > > > > The changes look good spec-wise. > > > > > > There are a bunch of tests in avocado-vt that test virtio-console > > > functionality. Can you give those a try before pushing? > > > > > > Amit > > > > I pushed before I did that test, will try to find the time later. BTW > > do you still want to be on the maintainers list? > > Yes, I want to be on the maintainers list; but won't mind > co-maintainers. The recent changes seem to be spec-related, and I'd > expect you to have a good handle on that anyway. > > Amit If you can do extra testing that would be appreciated though. > -- > http://amitshah.net/