diff options
Diffstat (limited to 'arch/x86/mm/init.c')
-rw-r--r-- | arch/x86/mm/init.c | 13 |
1 files changed, 11 insertions, 2 deletions
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) | |||
173 | 173 | ||
174 | /* Enable PSE if available */ | 174 | /* Enable PSE if available */ |
175 | if (cpu_has_pse) | 175 | if (cpu_has_pse) |
176 | set_in_cr4(X86_CR4_PSE); | 176 | cr4_set_bits_and_update_boot(X86_CR4_PSE); |
177 | 177 | ||
178 | /* Enable PGE if available */ | 178 | /* Enable PGE if available */ |
179 | if (cpu_has_pge) { | 179 | if (cpu_has_pge) { |
180 | set_in_cr4(X86_CR4_PGE); | 180 | cr4_set_bits_and_update_boot(X86_CR4_PGE); |
181 | __supported_pte_mask |= _PAGE_GLOBAL; | 181 | __supported_pte_mask |= _PAGE_GLOBAL; |
182 | } | 182 | } |
183 | } | 183 | } |
@@ -713,6 +713,15 @@ void __init zone_sizes_init(void) | |||
713 | free_area_init_nodes(max_zone_pfns); | 713 | free_area_init_nodes(max_zone_pfns); |
714 | } | 714 | } |
715 | 715 | ||
716 | DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = { | ||
717 | #ifdef CONFIG_SMP | ||
718 | .active_mm = &init_mm, | ||
719 | .state = 0, | ||
720 | #endif | ||
721 | .cr4 = ~0UL, /* fail hard if we screw up cr4 shadow initialization */ | ||
722 | }; | ||
723 | EXPORT_SYMBOL_GPL(cpu_tlbstate); | ||
724 | |||
716 | void update_cache_mode_entry(unsigned entry, enum page_cache_mode cache) | 725 | void update_cache_mode_entry(unsigned entry, enum page_cache_mode cache) |
717 | { | 726 | { |
718 | /* entry 0 MUST be WB (hardwired to speed up translations) */ | 727 | /* entry 0 MUST be WB (hardwired to speed up translations) */ |