From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH] Enble 6 argument hypercalls for HVMs Date: Wed, 15 Dec 2010 12:12:01 +0000 Message-ID: <4D08BEA102000078000281FE@vpn.id2.novell.com> References: <4D08A920020000780002811F@vpn.id2.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Keir Fraser Cc: "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org >>> On 15.12.10 at 12:43, Keir Fraser wrote: > On 15/12/2010 10:40, "Jan Beulich" wrote: >> Looking at this code also makes me wonder once again whether >> it really is a good idea to have a generally not taken forward >> branch here. >=20 > Which generally not-taken branch? The 'je 1f' instruction generally = *will* > be taken! Oops, of course - it being taken is the problem, as it'll be statically mis-predicted. Jan