linux-kernel - [tip:x86/asm] x86/asm/tsc: Remove the rdtscp() and rdtscpll() macros

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Date:	Mon, 6 Jul 2015 08:41:06 -0700
From:	tip-bot for Andy Lutomirski <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	luto@...capital.net, bp@...en8.de, lenb@...nel.org,
	linux-kernel@...r.kernel.org, ray.huang@....com, brgerst@...il.com,
	torvalds@...ux-foundation.org, tglx@...utronix.de, bp@...e.de,
	kvm@...r.kernel.org, ralf@...ux-mips.org, dvlasenk@...hat.com,
	mingo@...nel.org, john.stultz@...aro.org, peterz@...radead.org,
	luto@...nel.org, hpa@...or.com
Subject: [tip:x86/asm] x86/asm/tsc: Remove the rdtscp() and rdtscpll()
  macros

Commit-ID:  ec69de52c648b1d9416a810943e68dbe9fe519f4
Gitweb:     http://git.kernel.org/tip/ec69de52c648b1d9416a810943e68dbe9fe519f4
Author:     Andy Lutomirski <luto@...nel.org>
AuthorDate: Thu, 25 Jun 2015 18:43:59 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 6 Jul 2015 15:23:26 +0200

x86/asm/tsc: Remove the rdtscp() and rdtscpll() macros

They have no users. Leave native_read_tscp() which seems
potentially useful despite also having no callers.

Signed-off-by: Andy Lutomirski <luto@...nel.org>
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: Huang Rui <ray.huang@....com>
Cc: John Stultz <john.stultz@...aro.org>
Cc: Len Brown <lenb@...nel.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: kvm ML <kvm@...r.kernel.org>
Link: http://lkml.kernel.org/r/6abfa3ef80534b5d73898a48c4d25e069303cbe5.1434501121.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/include/asm/msr.h | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 7273b74..626f781 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -192,15 +192,6 @@ do {							\
 #define rdtscl(low)						\
 	((low) = (u32)native_read_tsc())
 
-#define rdtscp(low, high, aux)					\
-do {                                                            \
-	unsigned long long _val = native_read_tscp(&(aux));     \
-	(low) = (u32)_val;                                      \
-	(high) = (u32)(_val >> 32);                             \
-} while (0)
-
-#define rdtscpll(val, aux) (val) = native_read_tscp(&(aux))
-
 /*
  * 64-bit version of wrmsr_safe():
  */
--
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