From 2f7fada23549b4657e9ea92eeddebc878db569d2 Mon Sep 17 00:00:00 2001 From: Andy Lutomirski Date: Tue, 4 Oct 2016 20:34:32 -0400 Subject: [PATCH] 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 Signed-off-by: Rik van Riel Cc: Borislav Petkov Cc: Brian Gerst Cc: Dave Hansen Cc: Denys Vlasenko Cc: Fenghua Yu Cc: H. Peter Anvin Cc: Josh Poimboeuf Cc: Linus Torvalds Cc: Oleg Nesterov Cc: Peter Zijlstra Cc: Quentin Casasnovas Cc: Thomas Gleixner Cc: pbonzini@redhat.com Link: http://lkml.kernel.org/r/1475627678-20788-4-git-send-email-riel@redhat.com Signed-off-by: Ingo Molnar --- 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 d4957ac72b48..1b2799e0699a 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, " -- 2.30.2