From: Kees Cook <kees.cook@canonical.com>
To: x86@kernel.org, linux-kernel@vger.kernel.org
Cc: Pekka Enberg <penberg@kernel.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>, Ingo Molnar <mingo@elte.hu>
Subject: [PATCH 4/4] x86: only CPU features determine NX capabilities
Date: Wed, 10 Nov 2010 10:35:54 -0800 [thread overview]
Message-ID: <1289414154-7829-5-git-send-email-kees.cook@canonical.com> (raw)
In-Reply-To: <1289414154-7829-1-git-send-email-kees.cook@canonical.com>
Fix the NX feature boot warning when NX is missing to correctly
reflect that BIOSes cannot disable NX now.
Signed-off-by: Kees Cook <kees.cook@canonical.com>
Acked-by: Pekka Enberg <penberg@kernel.org>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
---
arch/x86/mm/setup_nx.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c
index a3250aa..410531d 100644
--- a/arch/x86/mm/setup_nx.c
+++ b/arch/x86/mm/setup_nx.c
@@ -41,7 +41,7 @@ void __init x86_report_nx(void)
{
if (!cpu_has_nx) {
printk(KERN_NOTICE "Notice: NX (Execute Disable) protection "
- "missing in CPU or disabled in BIOS!\n");
+ "missing in CPU!\n");
} else {
#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
if (disable_nx) {
--
1.7.2.3
next prev parent reply other threads:[~2010-11-10 18:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-10 18:35 [Security] [PATCH v5 0/4] x86: clear XD_DISABLED flag on Intel to regain NX Kees Cook
2010-11-10 18:35 ` [PATCH 1/4] x86: rename verify_cpu_64.S to verify_cpu.S Kees Cook
2010-11-10 18:35 ` [PATCH 2/4] x86: clear XD_DISABLED flag on Intel to regain NX Kees Cook
[not found] ` <tip-ae84739c27b6b3725993202fe02ff35ab86468e1@git.kernel.org>
2010-12-08 22:27 ` [tip:x86/cpu] x86, cpu: Clear " Kees Cook
2010-12-22 11:17 ` Ingo Molnar
2010-11-10 18:35 ` [PATCH 3/4] x86: call verify_cpu during 32bit CPU startup Kees Cook
2010-11-14 6:33 ` Yinghai Lu
2010-11-10 18:35 ` Kees Cook [this message]
-- strict thread matches above, loose matches on Subject: below --
2010-11-09 22:17 [Security] [PATCH v4 0/4] x86: clear XD_DISABLED flag on Intel to regain NX Kees Cook
2010-11-09 22:19 ` [PATCH 4/4] x86: only CPU features determine NX capabilities Kees Cook
2010-11-09 18:11 [Security] [PATCH v3 0/4] x86: clear XD_DISABLED flag on Intel to regain NX Kees Cook
2010-11-09 18:15 ` [PATCH 4/4] x86: only CPU features determine NX capabilities Kees Cook
2010-06-19 5:50 [PATCH v2 0/4] x86: clear XD_DISABLED flag on Intel to regain NX Kees Cook
2010-06-19 5:53 ` [PATCH 4/4] x86: only CPU features determine NX capabilities Kees Cook
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