Received: by 10.192.165.148 with SMTP id m20csp2279733imm; Sun, 6 May 2018 10:57:32 -0700 (PDT) X-Google-Smtp-Source: AB8JxZrDjUWLD+c7L8/UD+e0JuNuLaLLXHTKUbk+9A3hQ79GS0IxPTZAf9qsmEomTigJeD2EZow/ X-Received: by 2002:a65:51c4:: with SMTP id i4-v6mr22579199pgq.190.1525629451986; Sun, 06 May 2018 10:57:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525629451; cv=none; d=google.com; s=arc-20160816; b=YsrHKZCVL1BruYaGPTHLMtpcDVWTS8x1ZME+S4a4F0u0XIs/PcJHu/qQ3JlxsH39AS uRu7VSLAMPfRtr2g5D48uggpxf4Y4XJ7f5T1WuggZhtzEf6mvPaKWNGIdHNuMqlu+rx7 t7dK+qhbxTwRC2aGrNDIFCasiitgR1Jihbg8TQMW9CPu+V8vSGGOzdaxE3GDwDXyhPtH uEdx5kIKorvz9GxJ5xwgmVNKJU7vV5TkisYOba+5lEm+gBajq0NBMfgmYRAU30c4QTnJ YBEn37eRyY0YGaXBQpLdtngrdEwVFaLo8X9qG8r1nqNvILHxsRCGaPHhq/5gNnS8SBnW hHmg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :arc-authentication-results; bh=TmKdTwdPE8FraUrrUSpvK7p0n0j75/1Tb93vNA8uxpo=; b=QcCABx4QwoKUDi3eG0KkQK7yAzRyEXI1rvhJwWBXwkrbsnWyRPZvEq2IFkqlfc2Me4 mkaTnFtyBuyRzhz1bzxknnsM5H0U+YP7oZSko65byoJsgJxy8a8TZRQ3Ikt06opbiEq9 nkpQyy36O2evb6HH34HoKBkfHj1PKwycsovJqfc7RgttILFl/yjxa7auOPA/4V2wTb3U 2f1tW3Sc6OAPa4oxzbksNEkG0KtWCSUAi5eyXs4wt6bXCwDFAiSarIizruE1k98Q9oDl EQZHQvs1iA0xpkx0q/xOSxoLKeM0UjAJ9aVzISk0XhPJTYiuzC8mwTsCuoAH61pZleWv MlHA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 6si20417331pft.35.2018.05.06.10.57.17; Sun, 06 May 2018 10:57:31 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751854AbeEFR4r (ORCPT + 99 others); Sun, 6 May 2018 13:56:47 -0400 Received: from relay2-d.mail.gandi.net ([217.70.183.194]:47233 "EHLO relay2-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751751AbeEFR4o (ORCPT ); Sun, 6 May 2018 13:56:44 -0400 X-Originating-IP: 212.92.108.144 Received: from localhost (unknown [212.92.108.144]) (Authenticated sender: amit@amitshah.net) by relay2-d.mail.gandi.net (Postfix) with ESMTPSA id 9EC174000A; Sun, 6 May 2018 19:56:41 +0200 (CEST) Date: Sun, 6 May 2018 19:56:40 +0200 From: Amit Shah To: "Michael S. Tsirkin" Cc: Amit Shah , linux-kernel@vger.kernel.org, Amit Shah , 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: <20180506175640.GA19628@grmbl.mre> 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180503222702-mutt-send-email-mst@kernel.org> X-Spam-Level: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 -- http://amitshah.net/