/arch/x86/xen/Kconfig

 1#
 2# This Kconfig describes xen options
 3#
 4
 5config XEN
 6	bool "Xen guest support"
 7	select PARAVIRT
 8	select PARAVIRT_CLOCK
 9	depends on X86_64 || (X86_32 && X86_PAE && !X86_VISWS)
10	depends on X86_CMPXCHG && X86_TSC
11	help
12	  This is the Linux Xen port.  Enabling this will allow the
13	  kernel to boot in a paravirtualized environment under the
14	  Xen hypervisor.
15
16config XEN_MAX_DOMAIN_MEMORY
17       int "Maximum allowed size of a domain in gigabytes"
18       default 8 if X86_32
19       default 32 if X86_64
20       depends on XEN
21       help
22         The pseudo-physical to machine address array is sized
23         according to the maximum possible memory size of a Xen
24         domain.  This array uses 1 page per gigabyte, so there's no
25         need to be too stingy here.
26
27config XEN_SAVE_RESTORE
28       bool
29       depends on XEN && PM
30       default y
31
32config XEN_DEBUG_FS
33	bool "Enable Xen debug and tuning parameters in debugfs"
34	depends on XEN && DEBUG_FS
35	default n
36	help
37	  Enable statistics output and various tuning options in debugfs.
38	  Enabling this option may incur a significant performance overhead.