From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NEnhF-000542-W6 for qemu-devel@nongnu.org; Sun, 29 Nov 2009 12:36:30 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NEnhA-00052Q-UU for qemu-devel@nongnu.org; Sun, 29 Nov 2009 12:36:28 -0500 Received: from [199.232.76.173] (port=40061 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NEnhA-00052E-Jl for qemu-devel@nongnu.org; Sun, 29 Nov 2009 12:36:24 -0500 Received: from fmmailgate03.web.de ([217.72.192.234]:55893) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NEnhA-0005Ci-3w for qemu-devel@nongnu.org; Sun, 29 Nov 2009 12:36:24 -0500 Message-ID: <4B12B042.9020409@web.de> Date: Sun, 29 Nov 2009 18:32:50 +0100 From: Jan Kiszka MIME-Version: 1.0 References: <1259256300-23937-1-git-send-email-glommer@redhat.com> In-Reply-To: <1259256300-23937-1-git-send-email-glommer@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig9F6D480D16D163FEF2D8F8C1" Sender: jan.kiszka@web.de Subject: [Qemu-devel] Re: [PATCH 0/7] KVM SMP support, early version List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Glauber Costa Cc: aliguori@us.ibm.com, qemu-devel@nongnu.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig9F6D480D16D163FEF2D8F8C1 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Glauber Costa wrote: > Hi guys, >=20 > This is an early version of smp support in kvm that kinda works. > It has some known problems that I am still tracking. For example, > it does not reset very well. Also, initialization is a bit slow, > probably because of the number of remote ioctl calls involved. > But I believe Jan's patch to do a single ioctl can make it better. That approach has been buried, we decided to continue extending via new ioctls. But why do you need that many remote calls during init? Aren't the initial ioctls issued by the vcpu threads themselves? Jan --------------enig9F6D480D16D163FEF2D8F8C1 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iEYEARECAAYFAksSsEkACgkQitSsb3rl5xSUVwCgwaYeodDNjlhFVGHoMM4ewzs2 nm0Anj9jro9wKnx9ahgVl3a9FotXcUSL =0c2G -----END PGP SIGNATURE----- --------------enig9F6D480D16D163FEF2D8F8C1--