From: "tip-bot2 for Babu Moger" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Babu Moger <babu.moger@amd.com>, Borislav Petkov <bp@suse.de>,
Andy Lutomirski <luto@kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
Ricardo Neri <ricardo.neri-calderon@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
"x86@kernel.org" <x86@kernel.org>, Ingo Molnar <mingo@kernel.org>,
Borislav Petkov <bp@alien8.de>,
linux-kernel@vger.kernel.org
Subject: [tip: x86/cpu] x86/umip: Make the comments vendor-agnostic
Date: Thu, 07 Nov 2019 10:20:52 -0000 [thread overview]
Message-ID: <157312205287.29376.490924999918229502.tip-bot2@tip-bot2> (raw)
In-Reply-To: <157298913784.17462.12654728938970637305.stgit@naples-babu.amd.com>
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@amd.com>
AuthorDate: Tue, 05 Nov 2019 21:25:40
Committer: Borislav Petkov <bp@suse.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@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "x86@kernel.org" <x86@kernel.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@linux.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
prev parent reply other threads:[~2019-11-07 10:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-05 21:25 [PATCH v3 0/2] Update UMIP config parameter and docs Moger, Babu
2019-11-05 21:25 ` [PATCH v3 1/2] x86/Kconfig: Rename UMIP config parameter Moger, Babu
2019-11-07 1:31 ` Ricardo Neri
2019-11-07 10:07 ` Borislav Petkov
2019-11-07 10:20 ` [tip: x86/cpu] " tip-bot2 for Babu Moger
2019-11-05 21:25 ` [PATCH v3 2/2] x86/umip: Update the comments to cover generic x86 processors Moger, Babu
2019-11-07 10:20 ` tip-bot2 for Babu Moger [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=157312205287.29376.490924999918229502.tip-bot2@tip-bot2 \
--to=tip-bot2@linutronix.de \
--cc=babu.moger@amd.com \
--cc=bp@alien8.de \
--cc=bp@suse.de \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tip-commits@vger.kernel.org \
--cc=luto@kernel.org \
--cc=mingo@kernel.org \
--cc=mingo@redhat.com \
--cc=ricardo.neri-calderon@linux.intel.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).