Message ID | 1449075615-20754-2-git-send-email-kamal@canonical.com |
---|---|
State | New |
Headers | show |
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index ab4734e..5f660ca 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1188,6 +1188,14 @@ void __init setup_arch(char **cmdline_p) clone_pgd_range(initial_page_table + KERNEL_PGD_BOUNDARY, swapper_pg_dir + KERNEL_PGD_BOUNDARY, KERNEL_PGD_PTRS); + + /* + * sync back low identity map too. It is used for example + * in the 32-bit EFI stub. + */ + clone_pgd_range(initial_page_table, + swapper_pg_dir + KERNEL_PGD_BOUNDARY, + KERNEL_PGD_PTRS); #endif tboot_probe();