linux-kernel - [tip:x86/fpu] x86/fpu: Remove stts()

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Message-ID: <tip-0d50612c041f213fb6b98e3ff06e306a859c36f2@git.kernel.org>
Date:   Tue, 1 Nov 2016 00:16:49 -0700
From:   tip-bot for Andy Lutomirski <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, jpoimboe@...hat.com, luto@...nel.org,
        mingo@...nel.org, dvlasenk@...hat.com, oleg@...hat.com,
        tglx@...utronix.de, kvm@...r.kernel.org, riel@...hat.com,
        linux-kernel@...r.kernel.org, rusty@...tcorp.com.au,
        dave.hansen@...ux.intel.com, fenghua.yu@...el.com,
        torvalds@...ux-foundation.org, bp@...en8.de, peterz@...radead.org,
        pbonzini@...hat.com, quentin.casasnovas@...cle.com,
        brgerst@...il.com
Subject: [tip:x86/fpu] x86/fpu: Remove stts()

Commit-ID:  0d50612c041f213fb6b98e3ff06e306a859c36f2
Gitweb:     http://git.kernel.org/tip/0d50612c041f213fb6b98e3ff06e306a859c36f2
Author:     Andy Lutomirski <luto@...nel.org>
AuthorDate: Mon, 31 Oct 2016 15:18:48 -0700
Committer:  Ingo Molnar <mingo@...nel.org>
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@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Dave Hansen <dave.hansen@...ux.intel.com>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: Fenghua Yu <fenghua.yu@...el.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Oleg Nesterov <oleg@...hat.com>
Cc: Paolo Bonzini <pbonzini@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@...cle.com>
Cc: Rik van Riel <riel@...hat.com>
Cc: Rusty Russell <rusty@...tcorp.com.au>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: kvm list <kvm@...r.kernel.org>
Link: http://lkml.kernel.org/r/04247401710b230849e58bf2112ce4fd0b9840e1.1477951965.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 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));