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Subject[tip:x86/fpu] x86/fpu: Remove the XFEATURE_MASK_EAGER/LAZY distinction
Commit-ID:  2f7fada23549b4657e9ea92eeddebc878db569d2
Gitweb: http://git.kernel.org/tip/2f7fada23549b4657e9ea92eeddebc878db569d2
Author: Andy Lutomirski <luto@kernel.org>
AuthorDate: Tue, 4 Oct 2016 20:34:32 -0400
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Fri, 7 Oct 2016 11:14:29 +0200

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 | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/arch/x86/include/asm/fpu/xstate.h b/arch/x86/include/asm/fpu/xstate.h
index d4957ac..1b2799e 100644
--- a/arch/x86/include/asm/fpu/xstate.h
+++ b/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, "
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