From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756917AbbAHRBg (ORCPT ); Thu, 8 Jan 2015 12:01:36 -0500 Received: from cantor2.suse.de ([195.135.220.15]:44336 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756314AbbAHRBe (ORCPT ); Thu, 8 Jan 2015 12:01:34 -0500 From: Juergen Gross To: linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com, konrad.wilk@oracle.com, david.vrabel@citrix.com, boris.ostrovsky@oracle.com Cc: Juergen Gross Subject: [PATCH 1/3] xen: correct error for building p2m list on 32 bits Date: Thu, 8 Jan 2015 18:01:28 +0100 Message-Id: <1420736490-15351-2-git-send-email-jgross@suse.com> X-Mailer: git-send-email 2.1.2 In-Reply-To: <1420736490-15351-1-git-send-email-jgross@suse.com> References: <1420736490-15351-1-git-send-email-jgross@suse.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In xen_rebuild_p2m_list() for large areas of invalid or identity mapped memory the pmd entries on 32 bit systems are initialized wrong. Correct this error. Suggested-by: Boris Ostrovsky Signed-off-by: Juergen Gross --- arch/x86/xen/p2m.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index d9660a5..36ae094 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -379,7 +379,7 @@ static void __init xen_rebuild_p2m_list(unsigned long *p2m) p2m_missing_pte : p2m_identity_pte; for (i = 0; i < PMDS_PER_MID_PAGE; i++) { pmdp = populate_extra_pmd( - (unsigned long)(p2m + pfn + i * PTRS_PER_PTE)); + (unsigned long)(p2m + pfn) + i * PMD_SIZE); set_pmd(pmdp, __pmd(__pa(ptep) | _KERNPG_TABLE)); } } -- 2.1.2