On Tue, 2006-05-09 at 00:00 -0700, Chris Wright wrote:
> plain text document attachment (config-xen)
> The XEN config option is selected from the i386 subarch menu by
> choosing the X86_XEN "Xen-compatible" subarch.
>
> The XEN_SHADOW_MODE option defines the memory virtualization mode for
> the kernel -- with it enabled, the kernel expects the hypervisor to
> perform translation between pseudo-physical and machine addresses on
> its behalf.
>
> The disabled config options are:
> - DOUBLEFAULT: are trapped by Xen and not virtualized
> - HZ: defaults to 100 in Xen VMs
> - Power management: not supported in unprivileged VMs
> - SMP: not supported in this set of patches
> - X86_{UP,LOCAL,IO}_APIC: not supported in unprivileged VMs
>
> Signed-off-by: Ian Pratt <[email protected]>
> Signed-off-by: Christian Limpach <[email protected]>
> Signed-off-by: Chris Wright <[email protected]>
> ---
> arch/i386/Kconfig | 18 ++++++++++++++----
> arch/i386/Kconfig.debug | 1 +
> drivers/xen/Kconfig | 21 +++++++++++++++++++++
> kernel/Kconfig.hz | 4 ++--
> kernel/Kconfig.preempt | 1 +
> 5 files changed, 39 insertions(+), 6 deletions(-)
>
> --- linus-2.6.orig/arch/i386/Kconfig
> +++ linus-2.6/arch/i386/Kconfig
> @@ -55,6 +55,7 @@ menu "Processor type and features"
>
> config SMP
> bool "Symmetric multi-processing support"
> + depends on !X86_XEN
> ---help---
> This enables support for systems with more than one CPU. If you have
> a system with only one CPU, like most personal computers, say N. If
> @@ -91,6 +92,12 @@ config X86_PC
> help
> Choose this option if your computer is a standard PC or compatible.
>
> +config X86_XEN
> + bool "Xen-compatible"
> + help
> + Choose this option if you plan to run this kernel on top of the
> + Xen Hypervisor.
> +
Couldn't you just add "depends on !SMP && .." to the config X86_XEN
block ?
Daniel
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