Merge branch 'drm-intel-next' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt...

[sfrench/cifs-2.6.git] / arch / mips / kernel / signal32.c

diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index 2e74075ac0cadcc7c64b92fa98f3a0d7794ae479..03abaf048f09b3257ad7240378a53e6ddcc5588d 100644 (file)
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -35,6 +35,15 @@
 
 #include "signal-common.h"
 
+static int (*save_fp_context32)(struct sigcontext32 __user *sc);
+static int (*restore_fp_context32)(struct sigcontext32 __user *sc);
+
+extern asmlinkage int _save_fp_context32(struct sigcontext32 __user *sc);
+extern asmlinkage int _restore_fp_context32(struct sigcontext32 __user *sc);
+
+extern asmlinkage int fpu_emulator_save_context32(struct sigcontext32 __user *sc);
+extern asmlinkage int fpu_emulator_restore_context32(struct sigcontext32 __user *sc);
+
 /*
  * Including <asm/unistd.h> would give use the 64-bit syscall numbers ...
  */
@@ -828,3 +837,18 @@ SYSCALL_DEFINE5(32_waitid, int, which, compat_pid_t, pid,
        info.si_code |= __SI_CHLD;
        return copy_siginfo_to_user32(uinfo, &info);
 }
+
+static int signal32_init(void)
+{
+       if (cpu_has_fpu) {
+               save_fp_context32 = _save_fp_context32;
+               restore_fp_context32 = _restore_fp_context32;
+       } else {
+               save_fp_context32 = fpu_emulator_save_context32;
+               restore_fp_context32 = fpu_emulator_restore_context32;
+       }
+
+       return 0;
+}
+
+arch_initcall(signal32_init);