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arm64: efi: only attempt efi map setup if booting via EFI

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Booting a kernel with CONFIG_EFI enabled on a non-EFI system caused
an oops with the current UEFI support code.
Add the required test to prevent this.

Signed-off-by: Leif Lindholm <[email protected]>
Acked-by: Catalin Marinas <[email protected]>
Signed-off-by: Matt Fleming <[email protected]>
This commit is contained in:
Leif Lindholm 2014-05-23 14:16:56 +01:00 • committed by Matt Fleming
commit 74bcc24992
1 changed files with 3 additions and 0 deletions
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3
arch/arm64/kernel/efi.c
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@ -333,6 +333,9 @@ void __init efi_init(void)
void __init efi_idmap_init(void)
{
if (!efi_enabled(EFI_BOOT))
return;
/* boot time idmap_pg_dir is incomplete, so fill in missing parts */
efi_setup_idmap();
}