From: "Fenghua Yu" <fenghua.yu@intel.com>
To: "Ingo Molnar" <mingo@elte.hu>,
"Thomas Gleixner" <tglx@linutronix.de>,
"H Peter Anvin" <hpa@zytor.com>,
"Asit K Mallick" <asit.k.mallick@intel.com>,
"Bruce Schlobohm" <bruce.schlobohm@intel.com>
Cc: "linux-kernel" <linux-kernel@vger.kernel.org>,
"Fenghua Yu" <fenghua.yu@intel.com>
Subject: [PATCH 0/3] Enable SMEP CPU Feature
Date: Wed, 11 May 2011 12:17:57 -0700 [thread overview]
Message-ID: <1305141480-843-1-git-send-email-fenghua.yu@intel.com> (raw)
From: Fenghua Yu <fenghua.yu@intel.com>
Intel new CPU supports SMEP (Supervisor Mode Execution Protection). SMEP
prevents kernel from executing code in application. Updated Intel SDM describes
this CPU feature. The document will be published soon.
Fenghua Yu (3):
x86, cpu: Add CPU flags for SMEP
x86, cpu: Add SMEP CPU feature in CR4
x86, cpu: Enable/disable SMEP
Documentation/kernel-parameters.txt | 4 ++++
arch/x86/include/asm/cpufeature.h | 1 +
arch/x86/include/asm/processor-flags.h | 1 +
arch/x86/kernel/cpu/common.c | 21 +++++++++++++++++++++
arch/x86/kernel/cpu/scattered.c | 1 +
5 files changed, 28 insertions(+), 0 deletions(-)
--
1.7.2
next reply other threads:[~2011-05-11 19:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-11 19:17 Fenghua Yu [this message]
2011-05-11 19:17 ` [PATCH 1/3] x86, cpu: Add CPU flags for SMEP Fenghua Yu
2011-05-11 19:17 ` [PATCH 2/3] x86, cpu: Add SMEP CPU feature in CR4 Fenghua Yu
2011-05-11 19:18 ` [PATCH 3/3] x86, cpu: Enable/disable SMEP Fenghua Yu
2011-05-11 22:36 ` Andi Kleen
2011-05-12 6:06 ` H. Peter Anvin
2011-05-12 6:59 ` Ingo Molnar
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