From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gerd Hoffmann Subject: Re: [PATCH] Elf loader fixes Date: Wed, 22 Feb 2006 16:12:25 +0100 Message-ID: <43FC7F59.7030503@suse.de> References: <43FC4CF6.2010603@suse.de> <43FC6C62.76F0.0078.0@novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <43FC6C62.76F0.0078.0@novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Jan Beulich Cc: Xen devel list List-Id: xen-devel@lists.xenproject.org Jan Beulich wrote: > I'm afraid this won't work for 64-bits, because of the way the vsyscall page gets set up there. If you dump the program > headers you'll see that the respective segment is at an address close to the top of the address space, which would make > the image appear to need nearly 2 Gb of memory (making the load fail if there's less than that available to the > domain). Hmm, who sets up the vsyscall mapping right now? The linux kernel I guess? The elf kernel loader certainly doesn't look like it cares much about virtual address (other than VIRT_BASE) ... cheers, Gerd -- Gerd 'just married' Hoffmann I'm the hacker formerly known as Gerd Knorr. http://www.suse.de/~kraxel/just-married.jpeg