Re: [RFC PATCH 04/33] Add XEN config options and disableunsupported config options.

[Arjan van de Ven]

> The disabled config options are:
> - DOUBLEFAULT: are trapped by Xen and not virtualized
> - HZ: defaults to 100 in Xen VMs

Hi,

this makes no real sense with dynamic ticks coming up... HZ=1000 should
be perfectly fine then...

>  config KEXEC
>  	bool "kexec system call (EXPERIMENTAL)"
> -	depends on EXPERIMENTAL
> +	depends on EXPERIMENTAL && !X86_XEN
>  	help
>  	  kexec is a system call that implements the ability to shutdown your
>  	  current kernel, and to start another kernel.  It is like a reboot

hmmm why is kexec incompatible with xen? Don't you want to support crash
dumps from guests?

> +config XEN_SHADOW_MODE
> +	bool
> +	default y
> +	help
> +	  Fakes out a shadow mode kernel
> +

this probably wants a better description...


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