Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / arch / x86 / kernel / setup.c

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 390a663..c3050af 100644 (file)
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -974,6 +974,11 @@ 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,