[tip:x86/fpu] x86/fpu: Remove stts()

[tip-bot for Andy Lutomirski]

Commit-ID:  0d50612c041f213fb6b98e3ff06e306a859c36f2
Gitweb:     http://git.kernel.org/tip/0d50612c041f213fb6b98e3ff06e306a859c36f2
Author:     Andy Lutomirski <luto@xxxxxxxxxx>
AuthorDate: Mon, 31 Oct 2016 15:18:48 -0700
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 1 Nov 2016 07:47:55 +0100

x86/fpu: Remove stts()

It has no callers any more, and it was always a bit confusing, as
there is no STTS instruction.

Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Quentin Casasnovas <quentin.casasnovas@xxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: kvm list <kvm@xxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/04247401710b230849e58bf2112ce4fd0b9840e1.1477951965.git.luto@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/x86/include/asm/special_insns.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/x86/include/asm/special_insns.h b/arch/x86/include/asm/special_insns.h
index 19a2224..29b417b 100644
--- a/arch/x86/include/asm/special_insns.h
+++ b/arch/x86/include/asm/special_insns.h
@@ -216,8 +216,6 @@ static inline void clts(void)
 
 #endif/* CONFIG_PARAVIRT */
 
-#define stts() write_cr0(read_cr0() | X86_CR0_TS)
-
 static inline void clflush(volatile void *__p)
 {
 	asm volatile("clflush %0" : "+m" (*(volatile char __force *)__p));