From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49667) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a9EG6-0005TC-FM for qemu-devel@nongnu.org; Wed, 16 Dec 2015 10:44:58 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a9EG2-00055E-5b for qemu-devel@nongnu.org; Wed, 16 Dec 2015 10:44:54 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41172) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a9EG1-000557-WE for qemu-devel@nongnu.org; Wed, 16 Dec 2015 10:44:50 -0500 Date: Wed, 16 Dec 2015 16:44:41 +0100 From: Igor Mammedov Message-ID: <20151216164441.270a1f72@igors-macbook-pro.local> In-Reply-To: <567180EA.5040709@suse.de> References: <1449728144-6223-1-git-send-email-bharata@linux.vnet.ibm.com> <567180EA.5040709@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [RFC PATCH v0 0/9] Generic cpu-core device List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Andreas =?UTF-8?Q?F=C3=A4rber?= Cc: peter.maydell@linaro.org, ehabkost@redhat.com, agraf@suse.de, qemu-devel@nongnu.org, borntraeger@de.ibm.com, Bharata B Rao , pbonzini@redhat.com, david@gibson.dropbear.id.au On Wed, 16 Dec 2015 16:19:06 +0100 Andreas F=C3=A4rber wrote: > Am 10.12.2015 um 07:15 schrieb Bharata B Rao: > > CPU hotplug granularity > > ----------------------- > > CPU hotplug will now be done in cpu-core device granularity. >=20 > Nack. >=20 > > Are there archs that would need thread level CPU addition ? >=20 > Yes, s390. And for x86 people called for socket level. socket level hotplug would be the last resort if we can't agree on thread level one. As it would break existing setups where user can hotplug 1 core, and I'd like to avoid it if it is possible. >=20 > Andreas >=20