linux-kernel - [tip: x86/cpu] x86/umip: Make the comments vendor-agnostic

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Date:   Thu, 07 Nov 2019 10:20:52 -0000
From:   "tip-bot2 for Babu Moger" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Babu Moger <babu.moger@....com>, Borislav Petkov <bp@...e.de>,
        Andy Lutomirski <luto@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
        Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "x86@...nel.org" <x86@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Borislav Petkov <bp@...en8.de>, linux-kernel@...r.kernel.org
Subject: [tip: x86/cpu] x86/umip: Make the comments vendor-agnostic

The following commit has been merged into the x86/cpu branch of tip:

Commit-ID:     9774a96f785bf0fa6d956ce33300463f1704dbeb
Gitweb:        https://git.kernel.org/tip/9774a96f785bf0fa6d956ce33300463f1704dbeb
Author:        Babu Moger <Babu.Moger@....com>
AuthorDate:    Tue, 05 Nov 2019 21:25:40 
Committer:     Borislav Petkov <bp@...e.de>
CommitterDate: Thu, 07 Nov 2019 11:16:44 +01:00

x86/umip: Make the comments vendor-agnostic

AMD 2nd generation EPYC processors also support the UMIP feature. Make
the comments vendor-agnostic.

Signed-off-by: Babu Moger <babu.moger@....com>
Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: Andy Lutomirski <luto@...nel.org>
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: "x86@...nel.org" <x86@...nel.org>
Link: https://lkml.kernel.org/r/157298913784.17462.12654728938970637305.stgit@naples-babu.amd.com
---
 arch/x86/kernel/umip.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/umip.c b/arch/x86/kernel/umip.c
index 548fefe..8ccef6c 100644
--- a/arch/x86/kernel/umip.c
+++ b/arch/x86/kernel/umip.c
@@ -1,6 +1,6 @@
 /*
- * umip.c Emulation for instruction protected by the Intel User-Mode
- * Instruction Prevention feature
+ * umip.c Emulation for instruction protected by the User-Mode Instruction
+ * Prevention feature
  *
  * Copyright (c) 2017, Intel Corporation.
  * Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>
@@ -18,10 +18,10 @@
 
 /** DOC: Emulation for User-Mode Instruction Prevention (UMIP)
  *
- * The feature User-Mode Instruction Prevention present in recent Intel
- * processor prevents a group of instructions (SGDT, SIDT, SLDT, SMSW and STR)
- * from being executed with CPL > 0. Otherwise, a general protection fault is
- * issued.
+ * User-Mode Instruction Prevention is a security feature present in recent
+ * x86 processors that, when enabled, prevents a group of instructions (SGDT,
+ * SIDT, SLDT, SMSW and STR) from being run in user mode by issuing a general
+ * protection fault if the instruction is executed with CPL > 0.
  *
  * Rather than relaying to the user space the general protection fault caused by
  * the UMIP-protected instructions (in the form of a SIGSEGV signal), it can be