Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

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

diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86_64/kernel/setup64.c
index 8a691fa..f77c6ca 100644 (file)
--- a/arch/x86_64/kernel/setup64.c
+++ b/arch/x86_64/kernel/setup64.c
@@ -3,9 +3,7 @@
  * Copyright (C) 1995  Linus Torvalds
  * Copyright 2001, 2002, 2003 SuSE Labs / Andi Kleen.
  * See setup.c for older changelog.
- * $Id: setup64.c,v 1.12 2002/03/21 10:09:17 ak Exp $
  */ 
-#include <linux/config.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -31,6 +29,7 @@ char x86_boot_params[BOOT_PARAM_SIZE] __initdata = {0,};
 cpumask_t cpu_initialized __cpuinitdata = CPU_MASK_NONE;
 
 struct x8664_pda *_cpu_pda[NR_CPUS] __read_mostly;
+EXPORT_SYMBOL(_cpu_pda);
 struct x8664_pda boot_cpu_pda[NR_CPUS] __cacheline_aligned;
 
 struct desc_ptr idt_descr = { 256 * 16 - 1, (unsigned long) idt_table };
@@ -38,6 +37,7 @@ struct desc_ptr idt_descr = { 256 * 16 - 1, (unsigned long) idt_table };
 char boot_cpu_stack[IRQSTACKSIZE] __attribute__((section(".bss.page_aligned")));
 
 unsigned long __supported_pte_mask __read_mostly = ~0UL;
+EXPORT_SYMBOL(__supported_pte_mask);
 static int do_not_nx __cpuinitdata = 0;
 
 /* noexec=on|off
@@ -46,7 +46,7 @@ Control non executable mappings for 64bit processes.
 on     Enable(default)
 off    Disable
 */ 
-int __init nonx_setup(char *str)
+void __init nonx_setup(const char *str)
 {
        if (!strncmp(str, "on", 2)) {
                 __supported_pte_mask |= _PAGE_NX; 
@@ -55,28 +55,7 @@ int __init nonx_setup(char *str)
                do_not_nx = 1;
                __supported_pte_mask &= ~_PAGE_NX;
         }
-       return 1;
-} 
-__setup("noexec=", nonx_setup);        /* parsed early actually */
-
-int force_personality32 = 0; 
-
-/* noexec32=on|off
-Control non executable heap for 32bit processes.
-To control the stack too use noexec=off
-
-on     PROT_READ does not imply PROT_EXEC for 32bit processes
-off    PROT_READ implies PROT_EXEC (default)
-*/
-static int __init nonx32_setup(char *str)
-{
-       if (!strcmp(str, "on"))
-               force_personality32 &= ~READ_IMPLIES_EXEC;
-       else if (!strcmp(str, "off"))
-               force_personality32 |= READ_IMPLIES_EXEC;
-       return 1;
 }
-__setup("noexec32=", nonx32_setup);
 
 /*
  * Great future plan:
@@ -189,6 +168,7 @@ void __cpuinit cpu_init (void)
 {
        int cpu = stack_smp_processor_id();
        struct tss_struct *t = &per_cpu(init_tss, cpu);
+       struct orig_ist *orig_ist = &per_cpu(orig_ist, cpu);
        unsigned long v; 
        char *estacks = NULL; 
        struct task_struct *me;
@@ -256,7 +236,7 @@ void __cpuinit cpu_init (void)
                        estacks += EXCEPTION_STKSZ;
                        break;
                }
-               t->ist[v] = (unsigned long)estacks;
+               orig_ist->ist[v] = t->ist[v] = (unsigned long)estacks;
        }
 
        t->io_bitmap_base = offsetof(struct tss_struct, io_bitmap);