Re: [PATCH 2/8] arm64/efi: register UEFI reserved regions as iomem resources

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On Mon, 22 Dec, at 07:08:36PM, Ard Biesheuvel wrote:
> To prevent device drivers from attaching to device or memory regions
> owned by the firmware, register all UEFI reserved regions in the iomem
> resource table at init time.
> 
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> ---
>  arch/arm64/kernel/efi.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 46 insertions(+)

Looks nice.

Just curious, have you actually seen drivers trying to claim these
regions?

-- 
Matt Fleming, Intel Open Source Technology Center
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