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Diffstat (limited to 'include/asm-sh/fpu.h')
-rw-r--r--include/asm-sh/fpu.h39
1 files changed, 24 insertions, 15 deletions
diff --git a/include/asm-sh/fpu.h b/include/asm-sh/fpu.h
index f8429880a270..91462fea1507 100644
--- a/include/asm-sh/fpu.h
+++ b/include/asm-sh/fpu.h
@@ -1,9 +1,8 @@
#ifndef __ASM_SH_FPU_H
#define __ASM_SH_FPU_H
-#define SR_FD 0x00008000
-
#ifndef __ASSEMBLY__
+#include <linux/preempt.h>
#include <asm/ptrace.h>
#ifdef CONFIG_SH_FPU
@@ -21,25 +20,35 @@ struct task_struct;
extern void save_fpu(struct task_struct *__tsk, struct pt_regs *regs);
#else
+
#define release_fpu(regs) do { } while (0)
#define grab_fpu(regs) do { } while (0)
-#define save_fpu(tsk, regs) do { } while (0)
+
+static inline void save_fpu(struct task_struct *tsk, struct pt_regs *regs)
+{
+ clear_tsk_thread_flag(tsk, TIF_USEDFPU);
+}
#endif
extern int do_fpu_inst(unsigned short, struct pt_regs *);
-#define unlazy_fpu(tsk, regs) do { \
- if (test_tsk_thread_flag(tsk, TIF_USEDFPU)) { \
- save_fpu(tsk, regs); \
- } \
-} while (0)
-
-#define clear_fpu(tsk, regs) do { \
- if (test_tsk_thread_flag(tsk, TIF_USEDFPU)) { \
- clear_tsk_thread_flag(tsk, TIF_USEDFPU); \
- release_fpu(regs); \
- } \
-} while (0)
+static inline void unlazy_fpu(struct task_struct *tsk, struct pt_regs *regs)
+{
+ preempt_disable();
+ if (test_tsk_thread_flag(tsk, TIF_USEDFPU))
+ save_fpu(tsk, regs);
+ preempt_enable();
+}
+
+static inline void clear_fpu(struct task_struct *tsk, struct pt_regs *regs)
+{
+ preempt_disable();
+ if (test_tsk_thread_flag(tsk, TIF_USEDFPU)) {
+ clear_tsk_thread_flag(tsk, TIF_USEDFPU);
+ release_fpu(regs);
+ }
+ preempt_enable();
+}
#endif /* __ASSEMBLY__ */