diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/fpu/init.c | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/fpu/legacy.h | 7 | ||||
| -rw-r--r-- | arch/x86/kernel/fpu/regset.c | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/fpu/xstate.c | 3 |
4 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c index 24873dfe2dba..e77084a6ae7c 100644 --- a/arch/x86/kernel/fpu/init.c +++ b/arch/x86/kernel/fpu/init.c @@ -11,6 +11,7 @@ #include <linux/init.h> #include "internal.h" +#include "legacy.h" /* * Initialize the registers found in all CPUs, CR0 and CR4: diff --git a/arch/x86/kernel/fpu/legacy.h b/arch/x86/kernel/fpu/legacy.h index 2ff36b0f79e9..17c26b164c63 100644 --- a/arch/x86/kernel/fpu/legacy.h +++ b/arch/x86/kernel/fpu/legacy.h @@ -4,6 +4,13 @@ #include <asm/fpu/types.h> +extern unsigned int mxcsr_feature_mask; + +static inline void ldmxcsr(u32 mxcsr) +{ + asm volatile("ldmxcsr %0" :: "m" (mxcsr)); +} + /* * Returns 0 on success or the trap number when the operation raises an * exception. diff --git a/arch/x86/kernel/fpu/regset.c b/arch/x86/kernel/fpu/regset.c index a40150e350b6..3d8ed45da166 100644 --- a/arch/x86/kernel/fpu/regset.c +++ b/arch/x86/kernel/fpu/regset.c @@ -12,6 +12,7 @@ #include "context.h" #include "internal.h" +#include "legacy.h" /* * The xstateregs_active() routine is the same as the regset_fpregs_active() routine, diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c index 246a7fea06b1..f0305b2b227f 100644 --- a/arch/x86/kernel/fpu/xstate.c +++ b/arch/x86/kernel/fpu/xstate.c @@ -14,8 +14,9 @@ #include <asm/fpu/api.h> #include <asm/fpu/internal.h> -#include <asm/fpu/signal.h> #include <asm/fpu/regset.h> +#include <asm/fpu/signal.h> +#include <asm/fpu/xcr.h> #include <asm/tlbflush.h> |