Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758025AbaLJQOK (ORCPT ); Wed, 10 Dec 2014 11:14:10 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:25795 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757677AbaLJQOI (ORCPT ); Wed, 10 Dec 2014 11:14:08 -0500 Date: Wed, 10 Dec 2014 11:13:53 -0500 From: Konrad Rzeszutek Wilk To: Juergen Gross Cc: linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com, david.vrabel@citrix.com, boris.ostrovsky@oracle.com Subject: Re: [PATCH] xen: switch to post-init routines in xen mmu.c earlier Message-ID: <20141210161353.GD4268@laptop.dumpdata.com> References: <1418226963-24873-1-git-send-email-jgross@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1418226963-24873-1-git-send-email-jgross@suse.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-Source-IP: acsinet21.oracle.com [141.146.126.237] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 10, 2014 at 04:56:03PM +0100, Juergen Gross wrote: > With the virtual mapped linear p2m list the post-init mmu operations > must be used for setting up the p2m mappings, as in case of > CONFIG_FLATMEM the init routines may trigger BUGs. Um, could you explain a bit more of why the CONFIG_FLATMEM is such unique? What about the other CONFIG_*MEM cases? > > Reported-by: Boris Ostrovsky > Signed-off-by: Juergen Gross > --- > arch/x86/xen/mmu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c > index 6ab6150..a1a429a 100644 > --- a/arch/x86/xen/mmu.c > +++ b/arch/x86/xen/mmu.c > @@ -1225,6 +1225,7 @@ static void __init xen_pagetable_p2m_setup(void) > static void __init xen_pagetable_init(void) > { > paging_init(); > + xen_post_allocator_init(); > > xen_pagetable_p2m_setup(); > > @@ -1236,7 +1237,6 @@ static void __init xen_pagetable_init(void) > xen_remap_memory(); > > xen_setup_shared_info(); > - xen_post_allocator_init(); > } > static void xen_write_cr2(unsigned long cr2) > { > -- > 2.1.2 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/