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-rw-r--r--arch/x86/xen/Kconfig20
1 files changed, 18 insertions, 2 deletions
diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index 6c388e593bc..3815e425f47 100644
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -6,9 +6,25 @@ config XEN
bool "Xen guest support"
select PARAVIRT
select PARAVIRT_CLOCK
- depends on X86_32
- depends on X86_CMPXCHG && X86_TSC && X86_PAE && !(X86_VISWS || X86_VOYAGER)
+ depends on X86_64 || (X86_32 && X86_PAE && !(X86_VISWS || X86_VOYAGER))
+ depends on X86_CMPXCHG && X86_TSC
help
This is the Linux Xen port. Enabling this will allow the
kernel to boot in a paravirtualized environment under the
Xen hypervisor.
+
+config XEN_MAX_DOMAIN_MEMORY
+ int "Maximum allowed size of a domain in gigabytes"
+ default 8 if X86_32
+ default 32 if X86_64
+ depends on XEN
+ help
+ The pseudo-physical to machine address array is sized
+ according to the maximum possible memory size of a Xen
+ domain. This array uses 1 page per gigabyte, so there's no
+ need to be too stingy here.
+
+config XEN_SAVE_RESTORE
+ bool
+ depends on PM
+ default y \ No newline at end of file