On Thu, 17 Oct, at 01:19:14PM, Matt Fleming wrote:
> From: Matt Fleming <matt.fleming@xxxxxxxxx>
>
> From the #ifdef CONFIG_X86 in linux/efi.h it's clear we need a place to
> declare functions that are implemented differently for each
> architecture.
>
> Since it's only x86 that needs to do special things, add a generic EFI
> header file that can be used by everyone else and move the x86-specific
> stuff to arch/x86/include/asm/efi.h.
>
> Because the asm files are now included from linux/efi.h directly, this
> change means we no longer have to include the asm file explicitly from C
> files, allowing us to delete quite a few #include lines.
>
> Cc: H. Peter Anvin <hpa@xxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Tony Luck <tony.luck@xxxxxxxxx>
> Cc: Leif Lindholm <leif.lindholm@xxxxxxxxxx>
> Signed-off-by: Matt Fleming <matt.fleming@xxxxxxxxx>
> ---
[...]
> diff --git a/include/asm-generic/efi.h b/include/asm-generic/efi.h
> new file mode 100644
> index 0000000..8a31713
> --- /dev/null
> +++ b/include/asm-generic/efi.h
> @@ -0,0 +1,17 @@
> +#ifndef _ASM_GENERIC_EFI_H
> +#define _ASM_GENERIC_EFI_H
> +
> +static inline void efi_late_init(void) {}
> +static inline void efi_free_boot_services(void) {}
> +
> +static inline efi_status_t efi_query_variable_store(u32 attributes, unsigned long size)
> +{
> + return EFI_SUCCESS;
> +}
> +
> +static inline int efi_enabled(int facility)
> +{
> + return IS_ENABLED(CONFIG_EFI);
> +}
> +
> +#endif /* _ASM_GENERIC_EFI_H */
After reading Leif's arm runtime patches this patch obviously doesn't
make much sense. I'll work on something better.
--
Matt Fleming, Intel Open Source Technology Center
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