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

Stephen Rothwell sfr at canb.auug.org.au
Thu Sep 15 11:43:08 AEST 2016


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


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