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efi/libstub/x86: Avoid getter function for efi_is64

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We no longer need to take special care when using global variables
in the EFI stub, so switch to a simple symbol reference for efi_is64.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
Ard Biesheuvel
2020-04-16 21:15:23 +02:00
parent 980771f616
commit 0a75561489
2 changed files with 8 additions and 11 deletions
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11
arch/x86/include/asm/efi.h
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@@ -225,14 +225,19 @@ efi_status_t efi_set_virtual_address_map(unsigned long memory_map_size,
/* arch specific definitions used by the stub code */
__attribute_const__ bool efi_is_64bit(void);
extern const bool efi_is64;
static inline bool efi_is_64bit(void)
{
if (IS_ENABLED(CONFIG_EFI_MIXED))
return efi_is64;
return IS_ENABLED(CONFIG_X86_64);
}
static inline bool efi_is_native(void)
{
if (!IS_ENABLED(CONFIG_X86_64))
return true;
if (!IS_ENABLED(CONFIG_EFI_MIXED))
return true;
return efi_is_64bit();
}