[PATCH] Additions to .data.read_mostly section

[linux-2.6] / arch / x86_64 / kernel / setup64.c

diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86_64/kernel/setup64.c
index b5305b04bc4089384b174925e242f38637f3a25c..e3ffcacc8c90bf40d17a778c684401a9d66b17d3 100644 (file)
--- a/arch/x86_64/kernel/setup64.c
+++ b/arch/x86_64/kernel/setup64.c
@@ -12,6 +12,8 @@
 #include <linux/string.h>
 #include <linux/bootmem.h>
 #include <linux/bitops.h>
+#include <linux/module.h>
+#include <asm/bootsetup.h>
 #include <asm/pda.h>
 #include <asm/pgtable.h>
 #include <asm/processor.h>
@@ -21,27 +23,20 @@
 #include <asm/smp.h>
 #include <asm/i387.h>
 #include <asm/percpu.h>
-#include <asm/mtrr.h>
 #include <asm/proto.h>
-#include <asm/mman.h>
-#include <asm/numa.h>
+#include <asm/sections.h>
 
-char x86_boot_params[2048] __initdata = {0,};
+char x86_boot_params[BOOT_PARAM_SIZE] __initdata = {0,};
 
-cpumask_t cpu_initialized __initdata = CPU_MASK_NONE;
+cpumask_t cpu_initialized __cpuinitdata = CPU_MASK_NONE;
 
 struct x8664_pda cpu_pda[NR_CPUS] __cacheline_aligned; 
 
-extern struct task_struct init_task;
-
-extern unsigned char __per_cpu_start[], __per_cpu_end[]; 
-
-extern struct desc_ptr cpu_gdt_descr[];
 struct desc_ptr idt_descr = { 256 * 16, (unsigned long) idt_table }; 
 
 char boot_cpu_stack[IRQSTACKSIZE] __attribute__((section(".bss.page_aligned")));
 
-unsigned long __supported_pte_mask = ~0UL;
+unsigned long __supported_pte_mask __read_mostly = ~0UL;
 static int do_not_nx __initdata = 0;
 
 /* noexec=on|off
@@ -100,7 +95,7 @@ void __init setup_per_cpu_areas(void)
 #endif
 
        for (i = 0; i < NR_CPUS; i++) { 
-               unsigned char *ptr;
+               char *ptr;
 
                if (!NODE_DATA(cpu_to_node(i))) {
                        printk("cpu with no node %d, num_online_nodes %d\n",
@@ -170,7 +165,7 @@ void syscall_init(void)
        wrmsrl(MSR_SYSCALL_MASK, EF_TF|EF_DF|EF_IE|0x3000); 
 }
 
-void __init check_efer(void)
+void __cpuinit check_efer(void)
 {
        unsigned long efer;
 
@@ -187,13 +182,9 @@ void __init check_efer(void)
  * 'CPU state barrier', nothing should get across.
  * A lot of state is already set up in PDA init.
  */
-void __init cpu_init (void)
+void __cpuinit cpu_init (void)
 {
-#ifdef CONFIG_SMP
        int cpu = stack_smp_processor_id();
-#else
-       int cpu = smp_processor_id();
-#endif
        struct tss_struct *t = &per_cpu(init_tss, cpu);
        unsigned long v; 
        char *estacks = NULL; 
@@ -213,7 +204,7 @@ void __init cpu_init (void)
 
        printk("Initializing CPU#%d\n", cpu);
 
-               clear_in_cr4(X86_CR4_VME|X86_CR4_PVI|X86_CR4_TSD|X86_CR4_DE);
+       clear_in_cr4(X86_CR4_VME|X86_CR4_PVI|X86_CR4_TSD|X86_CR4_DE);
 
        /*
         * Initialize the per-CPU GDT with the boot GDT,