mirror of
https://github.com/torvalds/linux.git
synced 2024-09-29 03:13:05 +00:00
b17d0b5c08
Xen PV on HVM guests require PCI support because they need the xen-platform-pci driver in order to initialize xenbus. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
59 lines
1.4 KiB
Plaintext
59 lines
1.4 KiB
Plaintext
#
|
|
# This Kconfig describes xen options
|
|
#
|
|
|
|
config XEN
|
|
bool "Xen guest support"
|
|
select PARAVIRT
|
|
select PARAVIRT_CLOCK
|
|
depends on X86_64 || (X86_32 && X86_PAE && !X86_VISWS)
|
|
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_DOM0
|
|
def_bool y
|
|
depends on XEN && PCI_XEN && SWIOTLB_XEN
|
|
depends on X86_LOCAL_APIC && X86_IO_APIC && ACPI && PCI
|
|
|
|
# Dummy symbol since people have come to rely on the PRIVILEGED_GUEST
|
|
# name in tools.
|
|
config XEN_PRIVILEGED_GUEST
|
|
def_bool XEN_DOM0
|
|
|
|
config XEN_PVHVM
|
|
def_bool y
|
|
depends on XEN && PCI && X86_LOCAL_APIC
|
|
|
|
config XEN_MAX_DOMAIN_MEMORY
|
|
int
|
|
default 128
|
|
depends on XEN
|
|
help
|
|
This only affects the sizing of some bss arrays, the unused
|
|
portions of which are freed.
|
|
|
|
config XEN_SAVE_RESTORE
|
|
bool
|
|
depends on XEN
|
|
select HIBERNATE_CALLBACKS
|
|
default y
|
|
|
|
config XEN_DEBUG_FS
|
|
bool "Enable Xen debug and tuning parameters in debugfs"
|
|
depends on XEN && DEBUG_FS
|
|
default n
|
|
help
|
|
Enable statistics output and various tuning options in debugfs.
|
|
Enabling this option may incur a significant performance overhead.
|
|
|
|
config XEN_DEBUG
|
|
bool "Enable Xen debug checks"
|
|
depends on XEN
|
|
default n
|
|
help
|
|
Enable various WARN_ON checks in the Xen MMU code.
|
|
Enabling this option WILL incur a significant performance overhead.
|