From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752856AbdKNGbq (ORCPT ); Tue, 14 Nov 2017 01:31:46 -0500 Received: from mga11.intel.com ([192.55.52.93]:18689 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751626AbdKNGa7 (ORCPT ); Tue, 14 Nov 2017 01:30:59 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,393,1505804400"; d="scan'208";a="149275349" From: Ricardo Neri To: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" Cc: Borislav Petkov , Andy Lutomirski , Tony Luck , Paolo Bonzini , "Ravi V. Shankar" , x86@kernel.org, ricardo.neri@intel.com, linux-kernel@vger.kernel.org, Ricardo Neri Subject: [RESEND PATCH v2 2/4] x86/umip: Inform that UMIP has been enabled Date: Mon, 13 Nov 2017 22:29:43 -0800 Message-Id: <1510640985-18412-3-git-send-email-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1510640985-18412-1-git-send-email-ricardo.neri-calderon@linux.intel.com> References: <1510640985-18412-1-git-send-email-ricardo.neri-calderon@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Let us have an indication that this feature has been enabled. Cc: Andy Lutomirski Cc: H. Peter Anvin Cc: Borislav Petkov Cc: Tony Luck Cc: Paolo Bonzini Cc: Ravi V. Shankar Cc: x86@kernel.org Suggested-by: Ingo Molnar Signed-off-by: Ricardo Neri --- arch/x86/kernel/cpu/common.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 13ae9e5..fa998ca 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -341,6 +341,8 @@ static __always_inline void setup_umip(struct cpuinfo_x86 *c) cr4_set_bits(X86_CR4_UMIP); + pr_info("x86/cpu: Activated the Intel User Mode Instruction Prevention (UMIP) CPU feature\n"); + return; out: -- 2.7.4