From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47146) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ccB0Z-0006GZ-4d for qemu-devel@nongnu.org; Fri, 10 Feb 2017 08:13:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ccB0Y-0000XS-0t for qemu-devel@nongnu.org; Fri, 10 Feb 2017 08:13:03 -0500 Received: from mx1.redhat.com ([209.132.183.28]:44726) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ccB0X-0000XI-Qu for qemu-devel@nongnu.org; Fri, 10 Feb 2017 08:13:01 -0500 References: <20170210014519.12413-1-bobby.prani@gmail.com> <871sv6xmzk.fsf@linaro.org> <0ec07664-fa06-8f09-33ce-ca15448c7851@redhat.com> <87y3xew7hn.fsf@linaro.org> From: Paolo Bonzini Message-ID: <3f702266-1ac2-57c5-e0f8-3dec07b450d2@redhat.com> Date: Fri, 10 Feb 2017 14:12:58 +0100 MIME-Version: 1.0 In-Reply-To: <87y3xew7hn.fsf@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH] tcg: handle EXCP_ATOMIC exception properly List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?UTF-8?Q?Alex_Benn=c3=a9e?= Cc: Pranith Kumar , Peter Crosthwaite , Richard Henderson , "open list:Overall" , Peter Maydell On 10/02/2017 13:33, Alex Benn=C3=A9e wrote: > That said for TCG system emulation EXCP_ATOMIC is currently broken with > respect to debugging. However for the initial guests/host combination o= f > ARMv7/8 on x86_64 we don't need the fallback with pretty much 99% of > deployed hosts. How about the following: >=20 > - drop Pranith's patch for the current MTTCG series > - replace with an error/abort on EXCP_ATOMIC Don't even replace it? :) Paolo > - proceed with merge as plan > - tackle the BQL lock next (along with more MTTCG guest/targets enabl= ement)