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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v3 20/24] x86/hvm: add HVM-specific Kconfig
From: Denis Mukhin <dmukhin@xxxxxxxx>
Add separate menu for configuring HVM build-time settings to help organizing
HVM-specific options.
Signed-off-by: Denis Mukhin <dmukhin@xxxxxxxx>
---
xen/arch/x86/Kconfig | 76 +-----------------------------------------------
xen/arch/x86/hvm/Kconfig | 74 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 75 insertions(+), 75 deletions(-)
diff --git a/xen/arch/x86/Kconfig b/xen/arch/x86/Kconfig
index
9cdd04721afa1916c7edd8fdf7d606858c73ce88..37362c205dc664a1e809322c2cfe9f45394e30df
100644
--- a/xen/arch/x86/Kconfig
+++ b/xen/arch/x86/Kconfig
@@ -30,7 +30,6 @@ config X86
select HAS_SCHED_GRANULARITY
select HAS_UBSAN
select HAS_VMAP
- select HAS_VPCI if HVM
select NEEDS_LIBELF
config ARCH_DEFCONFIG
@@ -107,42 +106,7 @@ config PV_LINEAR_PT
If unsure, say Y.
-config HVM
- bool "HVM support"
- depends on !PV_SHIM_EXCLUSIVE
- default !PV_SHIM
- select COMPAT
- select IOREQ_SERVER
- select MEM_ACCESS_ALWAYS_ON
- help
- Interfaces to support HVM domains. HVM domains require hardware
- virtualisation extensions (e.g. Intel VT-x, AMD SVM), but can boot
- guests which have no specific Xen knowledge.
-
- This option is needed if you want to run HVM or PVH domains.
-
- If unsure, say Y.
-
-config AMD_SVM
- bool "AMD-V" if EXPERT
- depends on HVM
- default y
- help
- Enables virtual machine extensions on platforms that implement the
- AMD Virtualization Technology (AMD-V).
- If your system includes a processor with AMD-V support, say Y.
- If in doubt, say Y.
-
-config INTEL_VMX
- bool "Intel VT-x" if EXPERT
- depends on HVM
- default y
- select ARCH_VCPU_IOREQ_COMPLETION
- help
- Enables virtual machine extensions on platforms that implement the
- Intel Virtualization Technology (Intel VT-x).
- If your system includes a processor with Intel VT-x support, say Y.
- If in doubt, say Y.
+source "arch/x86/hvm/Kconfig"
config XEN_SHSTK
bool "Supervisor Shadow Stacks"
@@ -201,25 +165,6 @@ config BIGMEM
If unsure, say N.
-config HVM_FEP
- bool "HVM Forced Emulation Prefix support (UNSUPPORTED)" if UNSUPPORTED
- default DEBUG
- depends on HVM
- help
-
- Compiles in a feature that allows HVM guest to arbitrarily
- exercise the instruction emulator.
-
- This feature can only be enabled during boot time with
- appropriate hypervisor command line option. Please read
- hypervisor command line documentation before trying to use
- this feature.
-
- This is strictly for testing purposes, and not appropriate
- for use in production.
-
- If unsure, say N.
-
config TBOOT
bool "Xen tboot support (UNSUPPORTED)"
depends on INTEL && UNSUPPORTED
@@ -348,14 +293,6 @@ config HYPERV_GUEST
endif
-config MEM_PAGING
- bool "Xen memory paging support (UNSUPPORTED)" if UNSUPPORTED
- depends on HVM
-
-config MEM_SHARING
- bool "Xen memory sharing support (UNSUPPORTED)" if UNSUPPORTED
- depends on HVM
-
config REQUIRE_NX
bool "Require NX (No eXecute) support"
help
@@ -372,17 +309,6 @@ config REQUIRE_NX
was unavailable. However, if enabled, Xen will no longer boot on
any CPU which is lacking NX support.
-config ALTP2M
- bool "Alternate P2M support" if EXPERT
- depends on INTEL_VMX
- default y
- help
- Alternate-p2m allows a guest to manage multiple p2m guest physical
- "memory views" (as opposed to a single p2m).
- Useful for memory introspection.
-
- If unsure, stay with defaults.
-
endmenu
source "common/Kconfig"
diff --git a/xen/arch/x86/hvm/Kconfig b/xen/arch/x86/hvm/Kconfig
new file mode 100644
index
0000000000000000000000000000000000000000..fdfa9f80d30347ac9c34e52f5ba829bc11916dc0
--- /dev/null
+++ b/xen/arch/x86/hvm/Kconfig
@@ -0,0 +1,74 @@
+menuconfig HVM
+ bool "HVM support"
+ depends on !PV_SHIM_EXCLUSIVE
+ default !PV_SHIM
+ select COMPAT
+ select IOREQ_SERVER
+ select MEM_ACCESS_ALWAYS_ON
+ select HAS_VPCI
+ help
+ Interfaces to support HVM domains. HVM domains require hardware
+ virtualisation extensions (e.g. Intel VT-x, AMD SVM), but can boot
+ guests which have no specific Xen knowledge.
+
+ This option is needed if you want to run HVM or PVH domains.
+
+ If unsure, say Y.
+
+if HVM
+
+config AMD_SVM
+ bool "AMD-V" if EXPERT
+ default y
+ help
+ Enables virtual machine extensions on platforms that implement the
+ AMD Virtualization Technology (AMD-V).
+ If your system includes a processor with AMD-V support, say Y.
+ If in doubt, say Y.
+
+config INTEL_VMX
+ bool "Intel VT-x" if EXPERT
+ default y
+ select ARCH_VCPU_IOREQ_COMPLETION
+ help
+ Enables virtual machine extensions on platforms that implement the
+ Intel Virtualization Technology (Intel VT-x).
+ If your system includes a processor with Intel VT-x support, say Y.
+ If in doubt, say Y.
+
+config ALTP2M
+ bool "Alternate P2M support" if EXPERT
+ depends on INTEL_VMX
+ default y
+ help
+ Alternate-p2m allows a guest to manage multiple p2m guest physical
+ "memory views" (as opposed to a single p2m).
+ Useful for memory introspection.
+
+ If unsure, stay with defaults.
+
+config MEM_PAGING
+ bool "Xen memory paging support (UNSUPPORTED)" if UNSUPPORTED
+
+config MEM_SHARING
+ bool "Xen memory sharing support (UNSUPPORTED)" if UNSUPPORTED
+
+config HVM_FEP
+ bool "HVM Forced Emulation Prefix support (UNSUPPORTED)" if UNSUPPORTED
+ default DEBUG
+ help
+
+ Compiles in a feature that allows HVM guest to arbitrarily
+ exercise the instruction emulator.
+
+ This feature can only be enabled during boot time with
+ appropriate hypervisor command line option. Please read
+ hypervisor command line documentation before trying to use
+ this feature.
+
+ This is strictly for testing purposes, and not appropriate
+ for use in production.
+
+ If unsure, say N.
+
+endif
--
2.34.1
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