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Diffstat (limited to '')
| -rw-r--r-- | arch/x86/mm/init.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 1895986842b9..4ba024d5b63a 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -714,6 +714,11 @@ static void __init memory_map_bottom_up(unsigned long map_start, static void __init init_trampoline(void) { #ifdef CONFIG_X86_64 + /* + * The code below will alias kernel page-tables in the user-range of the + * address space, including the Global bit. So global TLB entries will + * be created when using the trampoline page-table. + */ if (!kaslr_memory_enabled()) trampoline_pgd_entry = init_top_pgt[pgd_index(__PAGE_OFFSET)]; else |