Re: [PATCH v5 13/32] x86/boot/e820: Add support to determine the E820 type of an address

Borislav Petkov
2017-05-05T17:12:26Z

On Tue, Apr 18, 2017 at 04:18:31PM -0500, Tom Lendacky wrote:
> Add a function that will return the E820 type associated with an address
> range.

...

> @@ -110,9 +111,28 @@ bool __init e820__mapped_all(u64 start, u64 end, enum e820_type type)
> * coverage of the desired range exists:
> */
> if (start >= end)
> - return 1;
> + return entry;
> }
> - return 0;
> +
> + return NULL;
> +}
> +
> +/*
> + * This function checks if the entire range <start,end> is mapped with type.
> + */
> +bool __init e820__mapped_all(u64 start, u64 end, enum e820_type type)
> +{
> + return __e820__mapped_all(start, end, type) ? 1 : 0;

return !!__e820__mapped_all(start, end, type);

--
Regards/Gruss,
Boris.

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