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[Xen-devel] Re: [RFC PATCH 04/33] Add XEN config options and disable unsupported config options.

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


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?

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

this probably wants a better description...

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