MIPS: Cleanup signal code initialization
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/709/
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index 2e74075..03abaf0 100644
--- 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 @@
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);