linux-kernel - [tip:x86/asm] x86/msr: Document msr-index.h rule for addition

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Date:	Wed, 17 Feb 2016 04:13:25 -0800
From:	tip-bot for Borislav Petkov <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	bp@...e.de, luto@...capital.net, pbonzini@...hat.com,
	hpa@...or.com, tglx@...utronix.de, brgerst@...il.com,
	torvalds@...ux-foundation.org, bp@...en8.de, dvlasenk@...hat.com,
	linux-kernel@...r.kernel.org, mingo@...nel.org,
	Suravee.Suthikulpanit@....com, peterz@...radead.org
Subject: [tip:x86/asm] x86/msr: Document msr-index.h rule for addition

Commit-ID:  053080a9d1c8cf1950115ad92ce94242ebc5f25c
Gitweb:     http://git.kernel.org/tip/053080a9d1c8cf1950115ad92ce94242ebc5f25c
Author:     Borislav Petkov <bp@...e.de>
AuthorDate: Tue, 16 Feb 2016 09:43:22 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 17 Feb 2016 08:47:55 +0100

x86/msr: Document msr-index.h rule for addition

In order to keep this file's size sensible and not cause too much
unnecessary churn, make the rule explicit - similar to pci_ids.h - that
only MSRs which are used in multiple compilation units, should get added
to it.

Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Paolo Bonzini <pbonzini@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: alex.williamson@...hat.com
Cc: gleb@...nel.org
Cc: joro@...tes.org
Cc: kvm@...r.kernel.org
Cc: sherry.hurwitz@....com
Cc: wei@...hat.com
Link: http://lkml.kernel.org/r/1455612202-14414-5-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/include/asm/msr-index.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index b05402e..984ab75 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -1,7 +1,12 @@
 #ifndef _ASM_X86_MSR_INDEX_H
 #define _ASM_X86_MSR_INDEX_H
 
-/* CPU model specific register (MSR) numbers */
+/*
+ * CPU model specific register (MSR) numbers.
+ *
+ * Do not add new entries to this file unless the definitions are shared
+ * between multiple compilation units.
+ */
 
 /* x86-64 specific MSRs */
 #define MSR_EFER		0xc0000080 /* extended feature register */