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Subject[tip:x86/fpu] x86/fpu: Remove stts()
Commit-ID:  0d50612c041f213fb6b98e3ff06e306a859c36f2
Gitweb: http://git.kernel.org/tip/0d50612c041f213fb6b98e3ff06e306a859c36f2
Author: Andy Lutomirski <luto@kernel.org>
AuthorDate: Mon, 31 Oct 2016 15:18:48 -0700
Committer: Ingo Molnar <mingo@kernel.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@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kvm list <kvm@vger.kernel.org>
Link: http://lkml.kernel.org/r/04247401710b230849e58bf2112ce4fd0b9840e1.1477951965.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.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));
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