From patchwork Thu Oct 3 21:23:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Edgecombe, Rick P" X-Patchwork-Id: 11173435 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E420976 for ; Thu, 3 Oct 2019 21:39:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CC1A2215EA for ; Thu, 3 Oct 2019 21:39:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388622AbfJCVjP (ORCPT ); Thu, 3 Oct 2019 17:39:15 -0400 Received: from mga09.intel.com ([134.134.136.24]:52655 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388128AbfJCVjB (ORCPT ); Thu, 3 Oct 2019 17:39:01 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Oct 2019 14:38:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,253,1566889200"; d="scan'208";a="186051644" Received: from linksys13920.jf.intel.com (HELO rpedgeco-DESK5.jf.intel.com) ([10.54.75.11]) by orsmga008.jf.intel.com with ESMTP; 03 Oct 2019 14:38:58 -0700 From: Rick Edgecombe To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, linux-mm@kvack.org, luto@kernel.org, peterz@infradead.org, dave.hansen@intel.com, pbonzini@redhat.com, sean.j.christopherson@intel.com, keescook@chromium.org Cc: kristen@linux.intel.com, deneen.t.dock@intel.com, Rick Edgecombe Subject: [RFC PATCH 11/13] x86, ptdump: Add NR bit to page table dump Date: Thu, 3 Oct 2019 14:23:58 -0700 Message-Id: <20191003212400.31130-12-rick.p.edgecombe@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191003212400.31130-1-rick.p.edgecombe@intel.com> References: <20191003212400.31130-1-rick.p.edgecombe@intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Add printing of the NR permission to the page table dump code. Signed-off-by: Rick Edgecombe --- arch/x86/mm/dump_pagetables.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c index ab67822fd2f4..8932aa9e3a9e 100644 --- a/arch/x86/mm/dump_pagetables.c +++ b/arch/x86/mm/dump_pagetables.c @@ -182,7 +182,7 @@ static void printk_prot(struct seq_file *m, pgprot_t prot, int level, bool dmsg) if (!(pr & _PAGE_PRESENT)) { /* Not present */ - pt_dump_cont_printf(m, dmsg, " "); + pt_dump_cont_printf(m, dmsg, " "); } else { if (pr & _PAGE_USER) pt_dump_cont_printf(m, dmsg, "USR "); @@ -219,6 +219,10 @@ static void printk_prot(struct seq_file *m, pgprot_t prot, int level, bool dmsg) pt_dump_cont_printf(m, dmsg, "NX "); else pt_dump_cont_printf(m, dmsg, "x "); + if (pr & _PAGE_NR) + pt_dump_cont_printf(m, dmsg, "NR "); + else + pt_dump_cont_printf(m, dmsg, "r "); } pt_dump_cont_printf(m, dmsg, "%s\n", level_name[level]); }