From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zachary Amsden Subject: Re: [patch] paravirt: VDSO page is essential Date: Mon, 05 Mar 2007 17:51:25 -0800 Message-ID: <45ECC91D.1020809@vmware.com> References: <20070305120631.GA14105@elte.hu> <1173101297.26165.39.camel@localhost.localdomain> <1173142644.4644.6.camel@localhost.localdomain> <45ECBDDC.8080708@vmware.com> <45ECC076.9050209@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <45ECC076.9050209@goop.org> Sender: linux-kernel-owner@vger.kernel.org To: Jeremy Fitzhardinge Cc: Rusty Russell , virtualization , Andrew Morton , Ingo Molnar , Roland McGrath , linux-kernel@vger.kernel.org, Jan Beulich List-Id: virtualization@lists.linuxfoundation.org Jeremy Fitzhardinge wrote: > I think Jan's approach is better if it works (since there's no > compromise), but this is better if you want to get something working in > the near term. > Is Jan dynamically relinking the vdso at runtime? Because that is what we will need. Adding support for COMPAT_VDSO creates a major performance problem for us. We need a way to force the VDSO to be enabled with a boot parameter. Zach