linux-kernel - [tip:x86/pti] x86/speculation: Add <asm/msr-index.h> dependency

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Message-ID: <tip-ea00f301285ea2f07393678cd2b6057878320c9d@git.kernel.org>
Date:   Wed, 14 Feb 2018 16:28:27 -0800
From:   tip-bot for Peter Zijlstra <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
        tglx@...utronix.de, hpa@...or.com, peterz@...radead.org,
        mingo@...nel.org, joe.konno@...ux.intel.com
Subject: [tip:x86/pti] x86/speculation: Add <asm/msr-index.h> dependency

Commit-ID:  ea00f301285ea2f07393678cd2b6057878320c9d
Gitweb:     https://git.kernel.org/tip/ea00f301285ea2f07393678cd2b6057878320c9d
Author:     Peter Zijlstra <peterz@...radead.org>
AuthorDate: Tue, 13 Feb 2018 14:28:19 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Thu, 15 Feb 2018 01:15:51 +0100

x86/speculation: Add <asm/msr-index.h> dependency

Joe Konno reported a compile failure resulting from using an MSR
without inclusion of <asm/msr-index.h>, and while the current code builds
fine (by accident) this needs fixing for future patches.

Reported-by: Joe Konno <joe.konno@...ux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: arjan@...ux.intel.com
Cc: bp@...en8.de
Cc: dan.j.williams@...el.com
Cc: dave.hansen@...ux.intel.com
Cc: dwmw2@...radead.org
Cc: dwmw@...zon.co.uk
Cc: gregkh@...uxfoundation.org
Cc: hpa@...or.com
Cc: jpoimboe@...hat.com
Cc: linux-tip-commits@...r.kernel.org
Cc: luto@...nel.org
Fixes: 20ffa1caecca ("x86/speculation: Add basic IBPB (Indirect Branch Prediction Barrier) support")
Link: http://lkml.kernel.org/r/20180213132819.GJ25201@hirez.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/include/asm/nospec-branch.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
index 300cc15..76b0585 100644
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -6,6 +6,7 @@
 #include <asm/alternative.h>
 #include <asm/alternative-asm.h>
 #include <asm/cpufeatures.h>
+#include <asm/msr-index.h>
 
 #ifdef __ASSEMBLY__