These options fit in much better in the "Virtualization" than in
the processor features menu. Move them.
Signed-off-by: Dave Hansen <dave.han...@linux.intel.com>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Torokhov <d...@vmware.com>
Cc: K. Y. Srinivasan <k...@microsoft.com>
Cc: Haiyang Zhang <haiya...@microsoft.com>
Cc: Alexander Graf <ag...@suse.de>
Cc: Gleb Natapov <g...@redhat.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
---
linux.git-davehans/arch/x86/Kconfig | 83 -------------------------------
linux.git-davehans/arch/x86/Kconfig.virt | 83 +++++++++++++++++++++++++++++++
2 files changed, 83 insertions(+), 83 deletions(-)
diff -puN
arch/x86/Kconfig~x86-Kconfig-move-paravirt-under-virtualization-really
arch/x86/Kconfig
---
linux.git/arch/x86/Kconfig~x86-Kconfig-move-paravirt-under-virtualization-really
2013-12-30 10:37:46.868307763 -0800
+++ linux.git-davehans/arch/x86/Kconfig 2013-12-30 10:37:46.874308032 -0800
@@ -1079,89 +1079,6 @@ config X86_ES7000
Support for Unisys ES7000 systems. Say 'Y' here if this kernel is
supposed to run on an IA32-based Unisys ES7000 system.
-menuconfig HYPERVISOR_GUEST
- bool "Linux guest support"
- ---help---
- Say Y here to enable options for running Linux under various hyper-
- visors. This option enables basic hypervisor detection and platform
- setup.
-
- If you say N, all options in this submenu will be skipped and
- disabled, and Linux guest support won't be built in.
-
-if HYPERVISOR_GUEST
-
-config PARAVIRT
- bool "Enable paravirtualization code"
- ---help---
- This changes the kernel so it can modify itself when it is run
- under a hypervisor, potentially improving performance significantly
- over full virtualization. However, when run without a hypervisor
- the kernel is theoretically slower and slightly larger.
-
-config PARAVIRT_DEBUG
- bool "paravirt-ops debugging"
- depends on PARAVIRT && DEBUG_KERNEL
- ---help---
- Enable to debug paravirt_ops internals. Specifically, BUG if
- a paravirt_op is missing when it is called.
-
-config PARAVIRT_SPINLOCKS
- bool "Paravirtualization layer for spinlocks"
- depends on PARAVIRT && SMP
- select UNINLINE_SPIN_UNLOCK
- ---help---
- Paravirtualized spinlocks allow a pvops backend to replace the
- spinlock implementation with something virtualization-friendly
- (for example, block the virtual CPU rather than spinning).
-
- It has a minimal impact on native kernels and gives a nice performance
- benefit on paravirtualized KVM / Xen kernels.
-
- If you are unsure how to answer this question, answer Y.
-
-source "arch/x86/xen/Kconfig"
-
-config KVM_GUEST
- bool "KVM Guest support (including kvmclock)"
- depends on PARAVIRT
- select PARAVIRT_CLOCK
- default y
- ---help---
- This option enables various optimizations for running under the KVM
- hypervisor. It includes a paravirtualized clock, so that instead
- of relying on a PIT (or probably other) emulation by the
- underlying device model, the host provides the guest with
- timing infrastructure such as time of day, and system time
-
-config KVM_DEBUG_FS
- bool "Enable debug information for KVM Guests in debugfs"
- depends on KVM_GUEST && DEBUG_FS
- default n
- ---help---
- This option enables collection of various statistics for KVM guest.
- Statistics are displayed in debugfs filesystem. Enabling this option
- may incur significant overhead.
-
-source "arch/x86/lguest/Kconfig"
-
-config PARAVIRT_TIME_ACCOUNTING
- bool "Paravirtual steal time accounting"
- depends on PARAVIRT
- default n
- ---help---
- Select this option to enable fine granularity task steal time
- accounting. Time spent executing other tasks in parallel with
- the current vCPU is discounted from the vCPU power. To account for
- that, there can be a small performance impact.
-
- If in doubt, say N here.
-
-config PARAVIRT_CLOCK
- bool
-
-endif #HYPERVISOR_GUEST
-
config NO_BOOTMEM
def_bool y
diff -puN
arch/x86/Kconfig.virt~x86-Kconfig-move-paravirt-under-virtualization-really
arch/x86/Kconfig.virt
---
linux.git/arch/x86/Kconfig.virt~x86-Kconfig-move-paravirt-under-virtualization-really
2013-12-30 10:37:46.870307852 -0800
+++ linux.git-davehans/arch/x86/Kconfig.virt 2013-12-30 10:37:46.874308032
-0800
@@ -15,4 +15,87 @@ source arch/x86/kvm/Kconfig
source drivers/vhost/Kconfig
source drivers/lguest/Kconfig
+menuconfig HYPERVISOR_GUEST
+ bool "Linux guest support"
+ ---help---
+ Say Y here to enable options for running Linux under various hyper-
+ visors. This option enables basic hypervisor detection and platform
+ setup.
+
+ If you say N, all options in this submenu will be skipped and
+ disabled, and Linux guest support won't be built in.
+
+if HYPERVISOR_GUEST
+
+config PARAVIRT
+ bool "Enable paravirtualization code"
+ ---help---
+ This changes the kernel so it can modify itself when it is run
+ under a hypervisor, potentially improving performance significantly
+ over full virtualization. However, when run without a hypervisor
+ the kernel is theoretically slower and slightly larger.
+
+config PARAVIRT_DEBUG
+ bool "paravirt-ops debugging"
+ depends on PARAVIRT && DEBUG_KERNEL
+ ---help---
+ Enable to debug paravirt_ops internals. Specifically, BUG if
+ a paravirt_op is missing when it is called.
+
+config PARAVIRT_SPINLOCKS
+ bool "Paravirtualization layer for spinlocks"
+ depends on PARAVIRT && SMP
+ select UNINLINE_SPIN_UNLOCK
+ ---help---
+ Paravirtualized spinlocks allow a pvops backend to replace the
+ spinlock implementation with something virtualization-friendly
+ (for example, block the virtual CPU rather than spinning).
+
+ It has a minimal impact on native kernels and gives a nice performance
+ benefit on paravirtualized KVM / Xen kernels.
+
+ If you are unsure how to answer this question, answer Y.
+
+source "arch/x86/xen/Kconfig"
+
+config KVM_GUEST
+ bool "KVM Guest support (including kvmclock)"
+ depends on PARAVIRT
+ select PARAVIRT_CLOCK
+ default y
+ ---help---
+ This option enables various optimizations for running under the KVM
+ hypervisor. It includes a paravirtualized clock, so that instead
+ of relying on a PIT (or probably other) emulation by the
+ underlying device model, the host provides the guest with
+ timing infrastructure such as time of day, and system time
+
+config KVM_DEBUG_FS
+ bool "Enable debug information for KVM Guests in debugfs"
+ depends on KVM_GUEST && DEBUG_FS
+ default n
+ ---help---
+ This option enables collection of various statistics for KVM guest.
+ Statistics are displayed in debugfs filesystem. Enabling this option
+ may incur significant overhead.
+
+source "arch/x86/lguest/Kconfig"
+
+config PARAVIRT_TIME_ACCOUNTING
+ bool "Paravirtual steal time accounting"
+ depends on PARAVIRT
+ default n
+ ---help---
+ Select this option to enable fine granularity task steal time
+ accounting. Time spent executing other tasks in parallel with
+ the current vCPU is discounted from the vCPU power. To account for
+ that, there can be a small performance impact.
+
+ If in doubt, say N here.
+
+config PARAVIRT_CLOCK
+ bool
+
+endif #HYPERVISOR_GUEST
+
endif # VIRTUALIZATION
_
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