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

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  math-emu: Fix thinko in _FP_DIV
  math-emu: Fix signalling of underflow and inexact while packing result.
  sparc: Add checkstack support
  sparc: correct section of current_pc()
  sparc: correct section of apc_no_idle
  sparc64: Fix race in arch/sparc64/kernel/trampoline.S

arch/sparc/kernel/apc.c

@@ -31,7 +31,7 @@
 #define APC_DEVNAME "apc"
 
 static u8 __iomem *regs;
-static int apc_no_idle __initdata = 0;
+static int apc_no_idle __devinitdata = 0;
 
 #define apc_readb(offs)		(sbus_readb(regs+offs))
 #define apc_writeb(val, offs) 	(sbus_writeb(val, regs+offs))

arch/sparc/kernel/head.S

@@ -465,6 +465,7 @@ gokernel:
 		mov	%o7, %g4		! Save %o7
 
 		/* Jump to it, and pray... */
+		__INIT
 current_pc:
 		call	1f
 		 nop