[PATCH] x86_64: Dont use broadcast shortcut to make it cpu hotplug safe.

[powerpc.git] / arch / x86_64 / kernel / setup.c

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 99f038e..ca9a915 100644 (file)
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -40,6 +40,8 @@
 #include <linux/acpi.h>
 #include <linux/kallsyms.h>
 #include <linux/edd.h>
+#include <linux/mmzone.h>
+
 #include <asm/mtrr.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
@@ -348,7 +350,7 @@ static __init void parse_cmdline_early (char ** cmdline_p)
                if (!memcmp(from, "mem=", 4))
                        parse_memopt(from+4, &from); 
 
-#ifdef CONFIG_DISCONTIGMEM
+#ifdef CONFIG_NUMA
                if (!memcmp(from, "numa=", 5))
                        numa_setup(from+5); 
 #endif
@@ -377,17 +379,20 @@ static __init void parse_cmdline_early (char ** cmdline_p)
        *cmdline_p = command_line;
 }
 
-#ifndef CONFIG_DISCONTIGMEM
-static void __init contig_initmem_init(void)
+#ifndef CONFIG_NUMA
+static void __init
+contig_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
 {
-        unsigned long bootmap_size, bootmap; 
-        bootmap_size = bootmem_bootmap_pages(end_pfn)<<PAGE_SHIFT;
-        bootmap = find_e820_area(0, end_pfn<<PAGE_SHIFT, bootmap_size);
-        if (bootmap == -1L) 
-                panic("Cannot find bootmem map of size %ld\n",bootmap_size);
-        bootmap_size = init_bootmem(bootmap >> PAGE_SHIFT, end_pfn);
-        e820_bootmem_free(&contig_page_data, 0, end_pfn << PAGE_SHIFT); 
-        reserve_bootmem(bootmap, bootmap_size);
+       unsigned long bootmap_size, bootmap;
+
+       memory_present(0, start_pfn, end_pfn);
+       bootmap_size = bootmem_bootmap_pages(end_pfn)<<PAGE_SHIFT;
+       bootmap = find_e820_area(0, end_pfn<<PAGE_SHIFT, bootmap_size);
+       if (bootmap == -1L)
+               panic("Cannot find bootmem map of size %ld\n",bootmap_size);
+       bootmap_size = init_bootmem(bootmap >> PAGE_SHIFT, end_pfn);
+       e820_bootmem_free(NODE_DATA(0), 0, end_pfn << PAGE_SHIFT);
+       reserve_bootmem(bootmap, bootmap_size);
 } 
 #endif
 
@@ -554,10 +559,10 @@ void __init setup_arch(char **cmdline_p)
        acpi_numa_init();
 #endif
 
-#ifdef CONFIG_DISCONTIGMEM
+#ifdef CONFIG_NUMA
        numa_initmem_init(0, end_pfn); 
 #else
-       contig_initmem_init(); 
+       contig_initmem_init(0, end_pfn);
 #endif
 
        /* Reserve direct mapping */
@@ -618,6 +623,8 @@ void __init setup_arch(char **cmdline_p)
                }
        }
 #endif
+
+       sparse_init();
        paging_init();
 
        check_ioapic();
@@ -669,7 +676,7 @@ void __init setup_arch(char **cmdline_p)
 #endif
 }
 
-static int __init get_model_name(struct cpuinfo_x86 *c)
+static int __cpuinit get_model_name(struct cpuinfo_x86 *c)
 {
        unsigned int *v;
 
@@ -685,7 +692,7 @@ static int __init get_model_name(struct cpuinfo_x86 *c)
 }
 
 
-static void __init display_cacheinfo(struct cpuinfo_x86 *c)
+static void __cpuinit display_cacheinfo(struct cpuinfo_x86 *c)
 {
        unsigned int n, dummy, eax, ebx, ecx, edx;
 
@@ -796,7 +803,7 @@ static int __init init_amd(struct cpuinfo_x86 *c)
        return r;
 }
 
-static void __init detect_ht(struct cpuinfo_x86 *c)
+static void __cpuinit detect_ht(struct cpuinfo_x86 *c)
 {
 #ifdef CONFIG_SMP
        u32     eax, ebx, ecx, edx;
@@ -857,7 +864,7 @@ static void __init detect_ht(struct cpuinfo_x86 *c)
 /*
  * find out the number of processor cores on the die
  */
-static int __init intel_num_cpu_cores(struct cpuinfo_x86 *c)
+static int __cpuinit intel_num_cpu_cores(struct cpuinfo_x86 *c)
 {
        unsigned int eax;
 
@@ -875,7 +882,7 @@ static int __init intel_num_cpu_cores(struct cpuinfo_x86 *c)
                return 1;
 }
 
-static void __init init_intel(struct cpuinfo_x86 *c)
+static void __cpuinit init_intel(struct cpuinfo_x86 *c)
 {
        /* Cache sizes */
        unsigned n;
@@ -895,7 +902,7 @@ static void __init init_intel(struct cpuinfo_x86 *c)
        c->x86_num_cores = intel_num_cpu_cores(c);
 }
 
-void __init get_cpu_vendor(struct cpuinfo_x86 *c)
+void __cpuinit get_cpu_vendor(struct cpuinfo_x86 *c)
 {
        char *v = c->x86_vendor_id;
 
@@ -916,7 +923,7 @@ struct cpu_model_info {
 /* Do some early cpuid on the boot CPU to get some parameter that are
    needed before check_bugs. Everything advanced is in identify_cpu
    below. */
-void __init early_identify_cpu(struct cpuinfo_x86 *c)
+void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c)
 {
        u32 tfms;
 
@@ -970,7 +977,7 @@ void __init early_identify_cpu(struct cpuinfo_x86 *c)
 /*
  * This does the hard work of actually picking apart the CPU stuff...
  */
-void __init identify_cpu(struct cpuinfo_x86 *c)
+void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
 {
        int i;
        u32 xlvl;
@@ -1047,7 +1054,7 @@ void __init identify_cpu(struct cpuinfo_x86 *c)
 }
  
 
-void __init print_cpu_info(struct cpuinfo_x86 *c)
+void __cpuinit print_cpu_info(struct cpuinfo_x86 *c)
 {
        if (c->x86_model_id[0])
                printk("%s", c->x86_model_id);