Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[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 d9a832f..10263b4 100644 (file)
--- a/arch/mips/kernel/signal-common.h
+++ b/arch/mips/kernel/signal-common.h
@@ -14,45 +14,28 @@
 /* #define DEBUG_SIG */
 
 #ifdef DEBUG_SIG
-#  define DEBUGP(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ##args)
+#  define DEBUGP(fmt, args...) printk("%s: " fmt, __func__, ##args)
 #else
 #  define DEBUGP(fmt, args...)
 #endif
 
-/*
- * Horribly complicated - with the bloody RM9000 workarounds enabled
- * the signal trampolines is moving to the end of the structure so we can
- * increase the alignment without breaking software compatibility.
- */
-#if ICACHE_REFILLS_WORKAROUND_WAR == 0
-
-struct sigframe {
-       u32 sf_ass[4];          /* argument save space for o32 */
-       u32 sf_code[2];         /* signal trampoline */
-       struct sigcontext sf_sc;
-       sigset_t sf_mask;
-};
-
-#else  /* ICACHE_REFILLS_WORKAROUND_WAR */
-
-struct sigframe {
-       u32 sf_ass[4];                  /* argument save space for o32 */
-       u32 sf_pad[2];
-       struct sigcontext sf_sc;        /* hw context */
-       sigset_t sf_mask;
-       u32 sf_code[8] ____cacheline_aligned;   /* signal trampoline */
-};
-
-#endif /* !ICACHE_REFILLS_WORKAROUND_WAR */
+#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
 /*
  * Determine which stack to use..
  */
 extern void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
                                 size_t frame_size);
-/*
- * install trampoline code to get back from the sig handler
- */
-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 */