Re: [PATCH v7 09/12] efi: passing kexec necessary efi data via setup_data

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On Fri, 20 Dec, at 06:02:19PM, Dave Young wrote:
> @@ -133,6 +133,19 @@ extern void efi_sync_low_kernel_mappings(void);
>  extern void efi_setup_page_tables(void);
>  extern void __init old_map_region(efi_memory_desc_t *md);
>  
> +struct efi_setup_data {
> +	u64 fw_vendor;
> +	u64 runtime;
> +	u64 tables;
> +	u64 smbios;
> +	u64 reserved[8];
> +	efi_memory_desc_t map[0];
> +};

[...]

> +static void get_nr_runtime_map(void)
> +{
> +	if (!efi_setup)
> +		return;
> +
> +	nr_efi_runtime_map = (efi_data_len - sizeof(struct efi_setup_data)) /
> +			     sizeof(efi_memory_desc_t);
> +}

Do we actually need the 'map' entry in efi_setup_data now that you're
passing it via efi_info (which is much better approach!)? Also, we don't
need the global nr_efi_runtime_map or efi_runtime_map variables now,
right?

-- 
Matt Fleming, Intel Open Source Technology Center
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