[v7,29/30] LoongArch: KVM: Enable kvm config and add the makefile
Commit Message
Enable loongarch kvm config and add the makefile to support build kvm
module.
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202304131526.iXfLaVZc-lkp@intel.com/
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
---
arch/loongarch/Kbuild | 1 +
arch/loongarch/Kconfig | 2 ++
arch/loongarch/configs/loongson3_defconfig | 2 ++
arch/loongarch/kvm/Kconfig | 38 ++++++++++++++++++++++
arch/loongarch/kvm/Makefile | 22 +++++++++++++
5 files changed, 65 insertions(+)
create mode 100644 arch/loongarch/kvm/Kconfig
create mode 100644 arch/loongarch/kvm/Makefile
Comments
Hi, Tianrui,
On Mon, Apr 17, 2023 at 6:00 PM Tianrui Zhao <zhaotianrui@loongson.cn> wrote:
>
> Enable loongarch kvm config and add the makefile to support build kvm
> module.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Link: https://lore.kernel.org/oe-kbuild-all/202304131526.iXfLaVZc-lkp@intel.com/
> Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
> ---
> arch/loongarch/Kbuild | 1 +
> arch/loongarch/Kconfig | 2 ++
> arch/loongarch/configs/loongson3_defconfig | 2 ++
> arch/loongarch/kvm/Kconfig | 38 ++++++++++++++++++++++
> arch/loongarch/kvm/Makefile | 22 +++++++++++++
> 5 files changed, 65 insertions(+)
> create mode 100644 arch/loongarch/kvm/Kconfig
> create mode 100644 arch/loongarch/kvm/Makefile
>
> diff --git a/arch/loongarch/Kbuild b/arch/loongarch/Kbuild
> index b01f5cdb27e0..40be8a1696f9 100644
> --- a/arch/loongarch/Kbuild
> +++ b/arch/loongarch/Kbuild
> @@ -2,6 +2,7 @@ obj-y += kernel/
> obj-y += mm/
> obj-y += net/
> obj-y += vdso/
> +obj-y += kvm/
>
> # for cleaning
> subdir- += boot
> diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
> index 7fd51257e0ed..f9beeb2e0cc9 100644
> --- a/arch/loongarch/Kconfig
> +++ b/arch/loongarch/Kconfig
> @@ -148,6 +148,7 @@ config LOONGARCH
> select USE_PERCPU_NUMA_NODE_ID
> select USER_STACKTRACE_SUPPORT
> select ZONE_DMA32
> + select HAVE_KVM
Use alpha-betical order, please.
Huacai
>
> config 32BIT
> bool
> @@ -588,3 +589,4 @@ source "drivers/acpi/Kconfig"
> endmenu
>
> source "drivers/firmware/Kconfig"
> +source "arch/loongarch/kvm/Kconfig"
> diff --git a/arch/loongarch/configs/loongson3_defconfig b/arch/loongarch/configs/loongson3_defconfig
> index e18213f01cc4..c99520374aef 100644
> --- a/arch/loongarch/configs/loongson3_defconfig
> +++ b/arch/loongarch/configs/loongson3_defconfig
> @@ -63,6 +63,8 @@ CONFIG_EFI_ZBOOT=y
> CONFIG_EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER=y
> CONFIG_EFI_CAPSULE_LOADER=m
> CONFIG_EFI_TEST=m
> +CONFIG_VIRTUALIZATION=y
> +CONFIG_KVM=m
> CONFIG_MODULES=y
> CONFIG_MODULE_FORCE_LOAD=y
> CONFIG_MODULE_UNLOAD=y
> diff --git a/arch/loongarch/kvm/Kconfig b/arch/loongarch/kvm/Kconfig
> new file mode 100644
> index 000000000000..8a999b4c0232
> --- /dev/null
> +++ b/arch/loongarch/kvm/Kconfig
> @@ -0,0 +1,38 @@
> +# SPDX-License-Identifier: GPL-2.0
> +#
> +# KVM configuration
> +#
> +
> +source "virt/kvm/Kconfig"
> +
> +menuconfig VIRTUALIZATION
> + bool "Virtualization"
> + help
> + Say Y here to get to see options for using your Linux host to run
> + other operating systems inside virtual machines (guests).
> + This option alone does not add any kernel code.
> +
> + If you say N, all options in this submenu will be skipped and
> + disabled.
> +
> +if VIRTUALIZATION
> +
> +config KVM
> + tristate "Kernel-based Virtual Machine (KVM) support"
> + depends on HAVE_KVM
> + select MMU_NOTIFIER
> + select ANON_INODES
> + select PREEMPT_NOTIFIERS
> + select KVM_MMIO
> + select KVM_GENERIC_DIRTYLOG_READ_PROTECT
> + select HAVE_KVM_VCPU_ASYNC_IOCTL
> + select HAVE_KVM_EVENTFD
> + select SRCU
> + help
> + Support hosting virtualized guest machines using hardware
> + virtualization extensions. You will need a fairly processor
> + equipped with virtualization extensions.
> +
> + If unsure, say N.
> +
> +endif # VIRTUALIZATION
> diff --git a/arch/loongarch/kvm/Makefile b/arch/loongarch/kvm/Makefile
> new file mode 100644
> index 000000000000..2335e873a6ef
> --- /dev/null
> +++ b/arch/loongarch/kvm/Makefile
> @@ -0,0 +1,22 @@
> +# SPDX-License-Identifier: GPL-2.0
> +#
> +# Makefile for LOONGARCH KVM support
> +#
> +
> +ccflags-y += -I $(srctree)/$(src)
> +
> +include $(srctree)/virt/kvm/Makefile.kvm
> +
> +obj-$(CONFIG_KVM) += kvm.o
> +
> +kvm-y += main.o
> +kvm-y += vm.o
> +kvm-y += vmid.o
> +kvm-y += tlb.o
> +kvm-y += mmu.o
> +kvm-y += vcpu.o
> +kvm-y += exit.o
> +kvm-y += interrupt.o
> +kvm-y += timer.o
> +kvm-y += switch.o
> +kvm-y += csr_ops.o
> --
> 2.31.1
>
在 2023年04月19日 10:10, Huacai Chen 写道:
> Hi, Tianrui,
>
> On Mon, Apr 17, 2023 at 6:00 PM Tianrui Zhao <zhaotianrui@loongson.cn> wrote:
>> Enable loongarch kvm config and add the makefile to support build kvm
>> module.
>>
>> Reported-by: kernel test robot <lkp@intel.com>
>> Link: https://lore.kernel.org/oe-kbuild-all/202304131526.iXfLaVZc-lkp@intel.com/
>> Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
>> ---
>> arch/loongarch/Kbuild | 1 +
>> arch/loongarch/Kconfig | 2 ++
>> arch/loongarch/configs/loongson3_defconfig | 2 ++
>> arch/loongarch/kvm/Kconfig | 38 ++++++++++++++++++++++
>> arch/loongarch/kvm/Makefile | 22 +++++++++++++
>> 5 files changed, 65 insertions(+)
>> create mode 100644 arch/loongarch/kvm/Kconfig
>> create mode 100644 arch/loongarch/kvm/Makefile
>>
>> diff --git a/arch/loongarch/Kbuild b/arch/loongarch/Kbuild
>> index b01f5cdb27e0..40be8a1696f9 100644
>> --- a/arch/loongarch/Kbuild
>> +++ b/arch/loongarch/Kbuild
>> @@ -2,6 +2,7 @@ obj-y += kernel/
>> obj-y += mm/
>> obj-y += net/
>> obj-y += vdso/
>> +obj-y += kvm/
>>
>> # for cleaning
>> subdir- += boot
>> diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
>> index 7fd51257e0ed..f9beeb2e0cc9 100644
>> --- a/arch/loongarch/Kconfig
>> +++ b/arch/loongarch/Kconfig
>> @@ -148,6 +148,7 @@ config LOONGARCH
>> select USE_PERCPU_NUMA_NODE_ID
>> select USER_STACKTRACE_SUPPORT
>> select ZONE_DMA32
>> + select HAVE_KVM
> Use alpha-betical order, please.
>
> Huacai
Thanks, I will move it to the suitable place.
Thanks
Tianrui Zhao
>> config 32BIT
>> bool
>> @@ -588,3 +589,4 @@ source "drivers/acpi/Kconfig"
>> endmenu
>>
>> source "drivers/firmware/Kconfig"
>> +source "arch/loongarch/kvm/Kconfig"
>> diff --git a/arch/loongarch/configs/loongson3_defconfig b/arch/loongarch/configs/loongson3_defconfig
>> index e18213f01cc4..c99520374aef 100644
>> --- a/arch/loongarch/configs/loongson3_defconfig
>> +++ b/arch/loongarch/configs/loongson3_defconfig
>> @@ -63,6 +63,8 @@ CONFIG_EFI_ZBOOT=y
>> CONFIG_EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER=y
>> CONFIG_EFI_CAPSULE_LOADER=m
>> CONFIG_EFI_TEST=m
>> +CONFIG_VIRTUALIZATION=y
>> +CONFIG_KVM=m
>> CONFIG_MODULES=y
>> CONFIG_MODULE_FORCE_LOAD=y
>> CONFIG_MODULE_UNLOAD=y
>> diff --git a/arch/loongarch/kvm/Kconfig b/arch/loongarch/kvm/Kconfig
>> new file mode 100644
>> index 000000000000..8a999b4c0232
>> --- /dev/null
>> +++ b/arch/loongarch/kvm/Kconfig
>> @@ -0,0 +1,38 @@
>> +# SPDX-License-Identifier: GPL-2.0
>> +#
>> +# KVM configuration
>> +#
>> +
>> +source "virt/kvm/Kconfig"
>> +
>> +menuconfig VIRTUALIZATION
>> + bool "Virtualization"
>> + help
>> + Say Y here to get to see options for using your Linux host to run
>> + other operating systems inside virtual machines (guests).
>> + This option alone does not add any kernel code.
>> +
>> + If you say N, all options in this submenu will be skipped and
>> + disabled.
>> +
>> +if VIRTUALIZATION
>> +
>> +config KVM
>> + tristate "Kernel-based Virtual Machine (KVM) support"
>> + depends on HAVE_KVM
>> + select MMU_NOTIFIER
>> + select ANON_INODES
>> + select PREEMPT_NOTIFIERS
>> + select KVM_MMIO
>> + select KVM_GENERIC_DIRTYLOG_READ_PROTECT
>> + select HAVE_KVM_VCPU_ASYNC_IOCTL
>> + select HAVE_KVM_EVENTFD
>> + select SRCU
>> + help
>> + Support hosting virtualized guest machines using hardware
>> + virtualization extensions. You will need a fairly processor
>> + equipped with virtualization extensions.
>> +
>> + If unsure, say N.
>> +
>> +endif # VIRTUALIZATION
>> diff --git a/arch/loongarch/kvm/Makefile b/arch/loongarch/kvm/Makefile
>> new file mode 100644
>> index 000000000000..2335e873a6ef
>> --- /dev/null
>> +++ b/arch/loongarch/kvm/Makefile
>> @@ -0,0 +1,22 @@
>> +# SPDX-License-Identifier: GPL-2.0
>> +#
>> +# Makefile for LOONGARCH KVM support
>> +#
>> +
>> +ccflags-y += -I $(srctree)/$(src)
>> +
>> +include $(srctree)/virt/kvm/Makefile.kvm
>> +
>> +obj-$(CONFIG_KVM) += kvm.o
>> +
>> +kvm-y += main.o
>> +kvm-y += vm.o
>> +kvm-y += vmid.o
>> +kvm-y += tlb.o
>> +kvm-y += mmu.o
>> +kvm-y += vcpu.o
>> +kvm-y += exit.o
>> +kvm-y += interrupt.o
>> +kvm-y += timer.o
>> +kvm-y += switch.o
>> +kvm-y += csr_ops.o
>> --
>> 2.31.1
>>
@@ -2,6 +2,7 @@ obj-y += kernel/
obj-y += mm/
obj-y += net/
obj-y += vdso/
+obj-y += kvm/
# for cleaning
subdir- += boot
@@ -148,6 +148,7 @@ config LOONGARCH
select USE_PERCPU_NUMA_NODE_ID
select USER_STACKTRACE_SUPPORT
select ZONE_DMA32
+ select HAVE_KVM
config 32BIT
bool
@@ -588,3 +589,4 @@ source "drivers/acpi/Kconfig"
endmenu
source "drivers/firmware/Kconfig"
+source "arch/loongarch/kvm/Kconfig"
@@ -63,6 +63,8 @@ CONFIG_EFI_ZBOOT=y
CONFIG_EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER=y
CONFIG_EFI_CAPSULE_LOADER=m
CONFIG_EFI_TEST=m
+CONFIG_VIRTUALIZATION=y
+CONFIG_KVM=m
CONFIG_MODULES=y
CONFIG_MODULE_FORCE_LOAD=y
CONFIG_MODULE_UNLOAD=y
new file mode 100644
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# KVM configuration
+#
+
+source "virt/kvm/Kconfig"
+
+menuconfig VIRTUALIZATION
+ bool "Virtualization"
+ help
+ Say Y here to get to see options for using your Linux host to run
+ other operating systems inside virtual machines (guests).
+ This option alone does not add any kernel code.
+
+ If you say N, all options in this submenu will be skipped and
+ disabled.
+
+if VIRTUALIZATION
+
+config KVM
+ tristate "Kernel-based Virtual Machine (KVM) support"
+ depends on HAVE_KVM
+ select MMU_NOTIFIER
+ select ANON_INODES
+ select PREEMPT_NOTIFIERS
+ select KVM_MMIO
+ select KVM_GENERIC_DIRTYLOG_READ_PROTECT
+ select HAVE_KVM_VCPU_ASYNC_IOCTL
+ select HAVE_KVM_EVENTFD
+ select SRCU
+ help
+ Support hosting virtualized guest machines using hardware
+ virtualization extensions. You will need a fairly processor
+ equipped with virtualization extensions.
+
+ If unsure, say N.
+
+endif # VIRTUALIZATION
new file mode 100644
@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for LOONGARCH KVM support
+#
+
+ccflags-y += -I $(srctree)/$(src)
+
+include $(srctree)/virt/kvm/Makefile.kvm
+
+obj-$(CONFIG_KVM) += kvm.o
+
+kvm-y += main.o
+kvm-y += vm.o
+kvm-y += vmid.o
+kvm-y += tlb.o
+kvm-y += mmu.o
+kvm-y += vcpu.o
+kvm-y += exit.o
+kvm-y += interrupt.o
+kvm-y += timer.o
+kvm-y += switch.o
+kvm-y += csr_ops.o