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authorYinghai Lu <yhlu.kernel@gmail.com>2008-09-05 00:58:28 -0700
committerIngo Molnar <mingo@elte.hu>2008-09-05 10:23:47 +0200
commitbd220a24a9263eaa70d5e6821383085950b5a13c (patch)
treebd91a5d7c46567b807cbbd07f822a4a11a2b01bd /arch/x86/kernel
parentf5017cfa3591d8eaf5c792e40ff30f18e498b68c (diff)
x86: move nonx_setup etc from common.c to init_64.c
like 32 bit put it in init_32.c Signed-off-by: Yinghai <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/cpu/common.c54
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index eef868c97b89..286c89a991bd 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -847,51 +847,6 @@ struct desc_ptr idt_descr = { 256 * 16 - 1, (unsigned long) idt_table };
char boot_cpu_stack[IRQSTACKSIZE] __page_aligned_bss;
-unsigned long __supported_pte_mask __read_mostly = ~0UL;
-EXPORT_SYMBOL_GPL(__supported_pte_mask);
-
-static int do_not_nx __cpuinitdata;
-
-/* noexec=on|off
-Control non executable mappings for 64bit processes.
-
-on Enable(default)
-off Disable
-*/
-static int __init nonx_setup(char *str)
-{
- if (!str)
- return -EINVAL;
- if (!strncmp(str, "on", 2)) {
- __supported_pte_mask |= _PAGE_NX;
- do_not_nx = 0;
- } else if (!strncmp(str, "off", 3)) {
- do_not_nx = 1;
- __supported_pte_mask &= ~_PAGE_NX;
- }
- return 0;
-}
-early_param("noexec", nonx_setup);
-
-int force_personality32;
-
-/* 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 (default)
-off PROT_READ implies PROT_EXEC
-*/
-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);
-
void pda_init(int cpu)
{
struct x8664_pda *pda = cpu_pda(cpu);
@@ -957,15 +912,6 @@ void syscall_init(void)
X86_EFLAGS_TF|X86_EFLAGS_DF|X86_EFLAGS_IF|X86_EFLAGS_IOPL);
}
-void __cpuinit check_efer(void)
-{
- unsigned long efer;
-
- rdmsrl(MSR_EFER, efer);
- if (!(efer & EFER_NX) || do_not_nx)
- __supported_pte_mask &= ~_PAGE_NX;
-}
-
unsigned long kernel_eflags;
/*