x86/fpu: Put a few variables in .init.data

These are clearly just used during init.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1447424312-26400-1-git-send-email-linux@rasmusvillemoes.dk
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c
index be39b5f..e1ed519 100644 (file)
--- a/arch/x86/kernel/fpu/init.c
+++ b/arch/x86/kernel/fpu/init.c
@@ -188,7 +188,7 @@ static void __init fpu__init_task_struct_size(void)
  */
 static void __init fpu__init_system_xstate_size_legacy(void)
 {
-       static int on_boot_cpu = 1;
+       static int on_boot_cpu __initdata = 1;
 
        WARN_ON_FPU(!on_boot_cpu);
        on_boot_cpu = 0;
@@ -278,7 +278,7 @@ __setup("eagerfpu=", eager_fpu_setup);
  */
 static void __init fpu__init_system_ctx_switch(void)
 {
-       static bool on_boot_cpu = 1;
+       static bool on_boot_cpu __initdata = 1;
 
        WARN_ON_FPU(!on_boot_cpu);
        on_boot_cpu = 0;

diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 70fc312..40f1002 100644 (file)
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -297,7 +297,7 @@ static void __init setup_xstate_comp(void)
  */
 static void __init setup_init_fpu_buf(void)
 {
-       static int on_boot_cpu = 1;
+       static int on_boot_cpu __initdata = 1;
 
        WARN_ON_FPU(!on_boot_cpu);
        on_boot_cpu = 0;
@@ -608,7 +608,7 @@ static void fpu__init_disable_system_xstate(void)
 void __init fpu__init_system_xstate(void)
 {
        unsigned int eax, ebx, ecx, edx;
-       static int on_boot_cpu = 1;
+       static int on_boot_cpu __initdata = 1;
        int err;
 
        WARN_ON_FPU(!on_boot_cpu);