Re: [PATCH 00/11] efi: Permanent runtime EFI memmap support

From: Dave Young
Date: Thu Jun 30 2016 - 10:34:54 EST


Hi, Matt

On 06/23/16 at 12:34pm, Matt Fleming wrote:
> This series adds support for keeping the EFI memory map around at
> runtime for x86 (ARM and arm64 already have this support).
>
> Additionally, drivers can now reserve EFI boot services regions such
> that they are not released back to the kernel during
> efi_free_boot_services().
>
> With these two features it becomes possible to pass things like the
> EFI System Resource Table data structures across kexec reboot.
>
> This series also includes a whole bunch of refactoring and cleanups to
> move code out of arch or driver-specific files into generic places.
>
> I've given these patches some light testing, but it would be good if
> others could provide more given that this series touches so many
> different code paths.

Tested kexec/kdump and the bgrt reservation with kexec and kexec_file
system call. But due to a crypto issue I can not test signature
verification of kexec_file, but I think that is a separate problem.

For these parts:
Tested-by: Dave Young <dyoung@xxxxxxxxxx>

Thanks
Dave