Re: [PATCH v5 1/5] kexec_file: Include the purgatory segment in the kexec image checksum.

From: Stephen Rothwell
Date: Wed Sep 14 2016 - 21:43:25 EST


Hi Thiago,

> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 2a1f0ce7c59a..dcd1679f3005 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -1792,6 +1792,11 @@ config SECCOMP
>
> source kernel/Kconfig.hz
>
> +# x86 needs to relocate the purgatory after the checksum is calculated,
> +# therefore the purgatory cannot be part of the kexec image checksum.
> +config ARCH_MODIFIES_KEXEC_PURGATORY
> + bool
> +

The above should probably be in arch/Kconfig (with an appropriately
changed comment) since it is used in generic code.
--
Cheers,
Stephen Rothwell