x86, xsave: Move boot cpu initialization to xsave_init()

This patch moves boot cpu initialization to xsave_init(). Now all cpus
are initialized in one single function.

Signed-off-by: Robert Richter <robert.richter@amd.com>
LKML-Reference: <1279651857-24639-5-git-send-email-robert.richter@amd.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

arch/x86/kernel/cpu/common.c

@@ -1270,12 +1270,6 @@ void __cpuinit cpu_init(void)
 	clear_used_math();
 	mxcsr_feature_mask_init();
 
-	/*
-	 * Boot processor to setup the FP and extended state context info.
-	 */
-	if (!smp_processor_id())
-		init_thread_xstate();
-
 	xsave_init();
 }
 #endif

arch/x86/kernel/i387.c

@@ -93,11 +93,6 @@ void __cpuinit fpu_init(void)
 
 	write_cr0(oldcr0 & ~(X86_CR0_TS|X86_CR0_EM)); /* clear TS and EM */
 
-	/*
-	 * Boot processor to setup the FP and extended state context info.
-	 */
-	if (!smp_processor_id())
-		init_thread_xstate();
 	xsave_init();
 
 	mxcsr_feature_mask_init();

arch/x86/kernel/xsave.c

@@ -360,7 +360,7 @@ unsigned int sig_xstate_size = sizeof(struct _fpstate);
 /*
  * Enable the extended processor state save/restore feature
  */
-void __cpuinit xsave_init(void)
+static void __cpuinit __xsave_init(void)
 {
 	if (!cpu_has_xsave)
 		return;
@@ -446,7 +446,7 @@ void __ref xsave_cntxt_init(void)
 	 * Support only the state known to OS.
 	 */
 	pcntxt_mask = pcntxt_mask & XCNTXT_MASK;
-	xsave_init();
+	__xsave_init();
 
 	/*
 	 * Recompute the context size for enabled features
@@ -463,3 +463,13 @@ void __ref xsave_cntxt_init(void)
 	       "cntxt size 0x%x\n",
 	       pcntxt_mask, xstate_size);
 }
+
+void __cpuinit xsave_init(void)
+{
+	/*
+	 * Boot processor to setup the FP and extended state context info.
+	 */
+	if (!smp_processor_id())
+		init_thread_xstate();
+	__xsave_init();
+}