X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=arch%2Fx86%2Fmm%2Finit.c;h=553c094b9cd7984b7334a95122931a93249f1ddf;hb=37507717de51a8332a34ee07fd88700be88df5bf;hp=649da47d382706b1001a403daac284b833fc7202;hpb=a68fb48380bb993306dd62a58cbd946b4348222a;p=cascardo%2Flinux.git

diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 649da47d3827..553c094b9cd7 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -173,11 +173,11 @@ static void __init probe_page_size_mask(void)
 
 	/* Enable PSE if available */
 	if (cpu_has_pse)
-		set_in_cr4(X86_CR4_PSE);
+		cr4_set_bits_and_update_boot(X86_CR4_PSE);
 
 	/* Enable PGE if available */
 	if (cpu_has_pge) {
-		set_in_cr4(X86_CR4_PGE);
+		cr4_set_bits_and_update_boot(X86_CR4_PGE);
 		__supported_pte_mask |= _PAGE_GLOBAL;
 	}
 }
@@ -713,6 +713,15 @@ void __init zone_sizes_init(void)
 	free_area_init_nodes(max_zone_pfns);
 }
 
+DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = {
+#ifdef CONFIG_SMP
+	.active_mm = &init_mm,
+	.state = 0,
+#endif
+	.cr4 = ~0UL,	/* fail hard if we screw up cr4 shadow initialization */
+};
+EXPORT_SYMBOL_GPL(cpu_tlbstate);
+
 void update_cache_mode_entry(unsigned entry, enum page_cache_mode cache)
 {
 	/* entry 0 MUST be WB (hardwired to speed up translations) */