[tip:x86/asm] x86/asm/tsc: Remove rdtscl()

[tip-bot for Andy Lutomirski]

Commit-ID:  fe47ae6e1a5005b2e82f7eab57b5c3820453293a
Gitweb:     http://git.kernel.org/tip/fe47ae6e1a5005b2e82f7eab57b5c3820453293a
Author:     Andy Lutomirski <luto@xxxxxxxxxx>
AuthorDate: Thu, 25 Jun 2015 18:44:06 +0200
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 6 Jul 2015 15:23:28 +0200

x86/asm/tsc: Remove rdtscl()

It has no more callers, and it was never a very sensible
interface to begin with. Users of the TSC should either read all
64 bits or explicitly throw out the high bits.

Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Huang Rui <ray.huang@xxxxxxx>
Cc: John Stultz <john.stultz@xxxxxxxxxx>
Cc: Len Brown <lenb@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: kvm ML <kvm@xxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/250105f7cee519be9d7fc4464b5784caafc8f4fe.1434501121.git.luto@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/x86/include/asm/msr.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 626f781..c89ed6c 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -189,9 +189,6 @@ do {							\
 
 #endif	/* !CONFIG_PARAVIRT */
 
-#define rdtscl(low)						\
-	((low) = (u32)native_read_tsc())
-
 /*
  * 64-bit version of wrmsr_safe():
  */
--
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