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Diffstat (limited to 'arch/x86/include/asm/i387.h')
-rw-r--r--arch/x86/include/asm/i387.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h
index ed8089d69094..6eb6fcb83f63 100644
--- a/arch/x86/include/asm/i387.h
+++ b/arch/x86/include/asm/i387.h
@@ -40,8 +40,8 @@ extern void __kernel_fpu_end(void);
static inline void kernel_fpu_begin(void)
{
- WARN_ON_ONCE(!irq_fpu_usable());
preempt_disable();
+ WARN_ON_ONCE(!irq_fpu_usable());
__kernel_fpu_begin();
}
@@ -51,6 +51,10 @@ static inline void kernel_fpu_end(void)
preempt_enable();
}
+/* Must be called with preempt disabled */
+extern void kernel_fpu_disable(void);
+extern void kernel_fpu_enable(void);
+
/*
* Some instructions like VIA's padlock instructions generate a spurious
* DNA fault but don't modify SSE registers. And these instructions