[PATCH 1/2] Add /sys/firmware/memmap

[H. Peter Anvin]

Mikael Pettersson wrote:
> Bernhard Walle writes:
>  > > It should be configurable. Whether it's done via CONFIG_KEXEC or its own
>  > > option I don't care.
>  > 
>  > Ok, changed:
>  > 
>  > diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
>  > index 1008737..73fcc59 100644
>  > --- a/drivers/firmware/Kconfig
>  > +++ b/drivers/firmware/Kconfig
>  > @@ -28,7 +28,7 @@ config EDD_OFF
>  >  
>  >  config FIRMWARE_MEMMAP
>  >      def_bool y
>  > -    depends on X86_64 || X86_32
>  > +    depends on (X86_64 || X86_32) && KEXEC
>  >  
>  >  config EFI_VARS
>  >         tristate "EFI Variable Support via sysfs"
> 
> Yep, thanks.
> 

Making this depend on KEXEC would be most unfortunate.  This is valuable 
information for finding all kinds of issues even in the absence of KEXEC.

I really don't see a point in making this configurable, except perhaps 
under CONFIG_EMBEDDED.

	-hpa