[MIPS] tlbex.c: use __cacheline_aligned instead of __tlb_handler_align

[safe/jmp/linux-2.6] / arch / mips / kernel / signal-common.h

diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h
index 297dfcb..c0faabd 100644 (file)
--- a/arch/mips/kernel/signal-common.h
+++ b/arch/mips/kernel/signal-common.h
@@ -34,4 +34,13 @@ extern int install_sigtramp(unsigned int __user *tramp, unsigned int syscall);
 /* Check and clear pending FPU exceptions in saved CSR */
 extern int fpcsr_pending(unsigned int __user *fpcsr);
 
+/* Make sure we will not lose FPU ownership */
+#ifdef CONFIG_PREEMPT
+#define lock_fpu_owner()       preempt_disable()
+#define unlock_fpu_owner()     preempt_enable()
+#else
+#define lock_fpu_owner()       pagefault_disable()
+#define unlock_fpu_owner()     pagefault_enable()
+#endif
+
 #endif /* __SIGNAL_COMMON_H */