linux/i386: enforce PAE

Now that building non-PAE kernels isn't really possible anymore, force
X86_PAE on when X86_XEN gets selected.

While not in this patch, include/asm-i386/mach-xen/pgtable-2level*.h
could also be removed to reflect that state.

Signed-off-by: Jan Beulich <jbeulich@novell.com>

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index a8dc350bbe4fbf9fc844c2c06a27c43fb59d1a18..d8d0795fb49c51cfe34007471d3ab173938b1ab4 100644 (file)
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -107,6 +107,7 @@ config X86_PC
 config X86_XEN
        bool "Xen-compatible"
        select XEN
+       select X86_PAE
        select X86_UP_APIC if !SMP && XEN_PRIVILEGED_GUEST
        select X86_UP_IOAPIC if !SMP && XEN_PRIVILEGED_GUEST
        select SWIOTLB