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Diffstat (limited to 'arch/x86/kernel/setup.c')
-rw-r--r--arch/x86/kernel/setup.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 5a0484a95ad..605e5ae19c7 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -691,8 +691,6 @@ early_param("reservelow", parse_reservelow);
void __init setup_arch(char **cmdline_p)
{
- unsigned long flags;
-
#ifdef CONFIG_X86_32
memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
visws_early_detect();
@@ -966,7 +964,6 @@ void __init setup_arch(char **cmdline_p)
initmem_init();
memblock_find_dma_reserve();
- dma32_reserve_bootmem();
#ifdef CONFIG_KVM_CLOCK
kvmclock_init();
@@ -976,6 +973,11 @@ void __init setup_arch(char **cmdline_p)
paging_init();
x86_init.paging.pagetable_setup_done(swapper_pg_dir);
+ if (boot_cpu_data.cpuid_level >= 0) {
+ /* A CPU has %cr4 if and only if it has CPUID */
+ mmu_cr4_features = read_cr4();
+ }
+
#ifdef CONFIG_X86_32
/* sync back kernel address range */
clone_pgd_range(initial_page_table + KERNEL_PGD_BOUNDARY,
@@ -1036,9 +1038,7 @@ void __init setup_arch(char **cmdline_p)
mcheck_init();
- local_irq_save(flags);
- arch_init_ideal_nop5();
- local_irq_restore(flags);
+ arch_init_ideal_nops();
}
#ifdef CONFIG_X86_32