summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/fpu/internal.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/fpu/internal.h')
-rw-r--r--arch/x86/include/asm/fpu/internal.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index 31ac8e6d9f36..116b58347501 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -18,6 +18,7 @@
#include <asm/fpu/api.h>
#include <asm/fpu/xstate.h>
#include <asm/cpufeature.h>
+#include <asm/trace/fpu.h>
/*
* High level FPU state handling functions:
@@ -524,6 +525,7 @@ static inline void __fpregs_deactivate(struct fpu *fpu)
fpu->fpregs_active = 0;
this_cpu_write(fpu_fpregs_owner_ctx, NULL);
+ trace_x86_fpu_regs_deactivated(fpu);
}
/* Must be paired with a 'clts' (fpregs_activate_hw()) before! */
@@ -533,6 +535,7 @@ static inline void __fpregs_activate(struct fpu *fpu)
fpu->fpregs_active = 1;
this_cpu_write(fpu_fpregs_owner_ctx, fpu);
+ trace_x86_fpu_regs_activated(fpu);
}
/*
@@ -604,11 +607,13 @@ switch_fpu_prepare(struct fpu *old_fpu, struct fpu *new_fpu, int cpu)
/* But leave fpu_fpregs_owner_ctx! */
old_fpu->fpregs_active = 0;
+ trace_x86_fpu_regs_deactivated(old_fpu);
/* Don't change CR0.TS if we just switch! */
if (fpu.preload) {
new_fpu->counter++;
__fpregs_activate(new_fpu);
+ trace_x86_fpu_regs_activated(new_fpu);
prefetch(&new_fpu->state);
} else {
__fpregs_deactivate_hw();