x86/fpu: Rename fpu-internal.h to fpu/internal.h

This unifies all the FPU related header files under a unified, hiearchical
naming scheme:

 - asm/fpu/types.h:      FPU related data types, needed for 'struct task_struct',
                         widely included in almost all kernel code, and hence kept
                         as small as possible.

 - asm/fpu/api.h:        FPU related 'public' methods exported to other subsystems.

 - asm/fpu/internal.h:   FPU subsystem internal methods

 - asm/fpu/xsave.h:      XSAVE support internal methods

(Also standardize the header guard in asm/fpu/internal.h.)

Reviewed-by: Borislav Petkov <bp@alien8.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

arch/x86/crypto/crc32c-intel_glue.c

@@ -32,7 +32,7 @@
 
 #include <asm/cpufeature.h>
 #include <asm/cpu_device_id.h>
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 
 #define CHKSUM_BLOCK_SIZE	1
 #define CHKSUM_DIGEST_SIZE	4

arch/x86/crypto/sha-mb/sha1_mb.c

@@ -68,7 +68,7 @@
 #include <asm/xcr.h>
 #include <asm/fpu/xsave.h>
 #include <linux/hardirq.h>
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 #include "sha_mb_ctx.h"
 
 #define FLUSH_INTERVAL 1000 /* in usec */

arch/x86/ia32/ia32_signal.c

@@ -21,7 +21,7 @@
 #include <linux/binfmts.h>
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 #include <asm/ptrace.h>
 #include <asm/ia32_unistd.h>
 #include <asm/user32.h>

arch/x86/include/asm/fpu/internal.h

@@ -7,8 +7,8 @@
  * x86-64 work by Andi Kleen 2002
  */
 
-#ifndef _FPU_INTERNAL_H
-#define _FPU_INTERNAL_H
+#ifndef _ASM_X86_FPU_INTERNAL_H
+#define _ASM_X86_FPU_INTERNAL_H
 
 #include <linux/regset.h>
 #include <linux/compat.h>
@@ -553,4 +553,4 @@ alloc_mathframe(unsigned long sp, int ia32_frame, unsigned long *buf_fx,
 	return sp;
 }
 
-#endif
+#endif /* _ASM_X86_FPU_INTERNAL_H */

arch/x86/kernel/cpu/common.c

@@ -31,7 +31,7 @@
 #include <asm/setup.h>
 #include <asm/apic.h>
 #include <asm/desc.h>
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 #include <asm/mtrr.h>
 #include <linux/numa.h>
 #include <asm/asm.h>

arch/x86/kernel/fpu/core.c

@@ -5,7 +5,7 @@
  *  General FPU state handling cleanups
  *	Gareth Hughes <gareth@valinux.com>, May 2000
  */
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 
 /*
  * Track whether the kernel is using the FPU state

arch/x86/kernel/fpu/init.c

@@ -1,7 +1,7 @@
 /*
  * x86 FPU boot time init code
  */
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 #include <asm/tlbflush.h>
 
 /*

arch/x86/kernel/fpu/xsave.c

@@ -10,7 +10,7 @@
 #include <linux/compat.h>
 #include <linux/cpu.h>
 #include <asm/fpu/api.h>
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 #include <asm/sigframe.h>
 #include <asm/tlbflush.h>
 #include <asm/xcr.h>

arch/x86/kernel/process.c

@@ -25,7 +25,7 @@
 #include <asm/idle.h>
 #include <asm/uaccess.h>
 #include <asm/mwait.h>
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 #include <asm/debugreg.h>
 #include <asm/nmi.h>
 #include <asm/tlbflush.h>

arch/x86/kernel/process_32.c

@@ -39,7 +39,7 @@
 #include <asm/pgtable.h>
 #include <asm/ldt.h>
 #include <asm/processor.h>
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 #include <asm/desc.h>
 #ifdef CONFIG_MATH_EMULATION
 #include <asm/math_emu.h>

arch/x86/kernel/process_64.c

@@ -38,7 +38,7 @@
 
 #include <asm/pgtable.h>
 #include <asm/processor.h>
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 #include <asm/mmu_context.h>
 #include <asm/prctl.h>
 #include <asm/desc.h>

arch/x86/kernel/ptrace.c

@@ -28,7 +28,7 @@
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/processor.h>
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 #include <asm/debugreg.h>
 #include <asm/ldt.h>
 #include <asm/desc.h>

arch/x86/kernel/signal.c

@@ -26,7 +26,7 @@
 
 #include <asm/processor.h>
 #include <asm/ucontext.h>
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 #include <asm/vdso.h>
 #include <asm/mce.h>
 #include <asm/sighandling.h>

arch/x86/kernel/smpboot.c

@@ -68,7 +68,7 @@
 #include <asm/mwait.h>
 #include <asm/apic.h>
 #include <asm/io_apic.h>
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 #include <asm/setup.h>
 #include <asm/uv/uv.h>
 #include <linux/mc146818rtc.h>

arch/x86/kernel/traps.c

@@ -54,7 +54,7 @@
 #include <asm/ftrace.h>
 #include <asm/traps.h>
 #include <asm/desc.h>
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 #include <asm/mce.h>
 #include <asm/fixmap.h>
 #include <asm/mach_traps.h>

arch/x86/kvm/x86.c

@@ -60,7 +60,7 @@
 #include <asm/mtrr.h>
 #include <asm/mce.h>
 #include <linux/kernel_stat.h>
-#include <asm/fpu-internal.h> /* Ugh! */
+#include <asm/fpu/internal.h> /* Ugh! */
 #include <asm/xcr.h>
 #include <asm/pvclock.h>
 #include <asm/div64.h>

arch/x86/mm/mpx.c

@@ -15,7 +15,7 @@
 #include <asm/mmu_context.h>
 #include <asm/mpx.h>
 #include <asm/processor.h>
-#include <asm/fpu-internal.h>
+#include <asm/fpu/internal.h>
 
 static const char *mpx_mapping_name(struct vm_area_struct *vma)
 {

arch/x86/power/cpu.c

@@ -21,7 +21,7 @@
 #include <asm/xcr.h>
 #include <asm/suspend.h>
 #include <asm/debugreg.h>
-#include <asm/fpu-internal.h> /* pcntxt_mask */
+#include <asm/fpu/internal.h> /* pcntxt_mask */
 #include <asm/cpu.h>
 
 #ifdef CONFIG_X86_32