x86/fpu: Remove the XFEATURE_MASK_EAGER/LAZY distinction

Now that lazy mode is gone, we don't need to distinguish which
xfeatures require eager mode.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Rik van Riel <riel@redhat.com>
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: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: pbonzini@redhat.com
Link: http://lkml.kernel.org/r/1475627678-20788-4-git-send-email-riel@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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

@@ -21,20 +21,16 @@
 /* Supervisor features */
 #define XFEATURE_MASK_SUPERVISOR (XFEATURE_MASK_PT)
 
-/* Supported features which support lazy state saving */
-#define XFEATURE_MASK_LAZY	(XFEATURE_MASK_FP | \
+/* All currently supported features */
+#define XCNTXT_MASK		(XFEATURE_MASK_FP | \
 				 XFEATURE_MASK_SSE | \
 				 XFEATURE_MASK_YMM | \
 				 XFEATURE_MASK_OPMASK | \
 				 XFEATURE_MASK_ZMM_Hi256 | \
 				 XFEATURE_MASK_Hi16_ZMM	 | \
-				 XFEATURE_MASK_PKRU)
-
-/* Supported features which require eager state saving */
-#define XFEATURE_MASK_EAGER	(XFEATURE_MASK_BNDREGS | XFEATURE_MASK_BNDCSR)
-
-/* All currently supported features */
-#define XCNTXT_MASK	(XFEATURE_MASK_LAZY | XFEATURE_MASK_EAGER)
+				 XFEATURE_MASK_PKRU | \
+				 XFEATURE_MASK_BNDREGS | \
+				 XFEATURE_MASK_BNDCSR)
 
 #ifdef CONFIG_X86_64
 #define REX_PREFIX	"0x48, "