From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Subject: Re: [PATCH v6 22/29] elfnotes: intorduce a new PHYS_ENTRY elfnote Date: Mon, 28 Sep 2015 12:35:46 +0200 Message-ID: <56091802.2050006@citrix.com> References: <1441368548-43465-1-git-send-email-roger.pau@citrix.com> <1441368548-43465-23-git-send-email-roger.pau@citrix.com> <560034BA02000078000A41C0@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZgVnF-0002j7-5w for xen-devel@lists.xenproject.org; Mon, 28 Sep 2015 10:36:25 +0000 In-Reply-To: <560034BA02000078000A41C0@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Jan Beulich Cc: Ian Jackson , xen-devel@lists.xenproject.org, Wei Liu , Ian Campbell , Stefano Stabellini List-Id: xen-devel@lists.xenproject.org El 21/09/15 a les 16.47, Jan Beulich ha escrit: >>>> On 04.09.15 at 14:09, wrote: >> --- a/xen/include/public/elfnote.h >> +++ b/xen/include/public/elfnote.h >> @@ -200,9 +200,18 @@ >> #define XEN_ELFNOTE_SUPPORTED_FEATURES 17 >> >> /* >> + * Physical entry point into the kernel. >> + * >> + * 32bit entry point into the kernel. Xen will use this entry point >> + * in order to launch the guest kernel in 32bit protected mode >> + * with paging disabled. >> + */ >> +#define XEN_ELFNOTE_PHYS32_ENTRY 18 > > The comment reads as if this was the case for all kinds of guests, > yet I suppose it doesn't apply to PV ones. This should be made > explicit if so. Yes, what about the following: 32bit entry point into the kernel. Xen will use this entry point in order to launch the guest kernel in 32bit protected mode with paging disabled inside of an HVM container. Roger.