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c7892db5dd
SCHEDSTATS requires DEBUG_KERNEL (and PROC_FS) and therefore isn't a
good choice for enabling the scheduling statistics required for stolen
time.
Instead match the x86 configuration and select TASK_DELAY_ACCT and
TASKSTATS. This adds the dependencies of NET && MULTIUSER for arm64 KVM.
Suggested-by: Marc Zyngier <maz@kernel.org>
Fixes: 8564d6372a ("KVM: arm64: Support stolen time reporting via shared structure")
Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
70 lines
1.6 KiB
Plaintext
70 lines
1.6 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0
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#
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# KVM configuration
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#
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source "virt/kvm/Kconfig"
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source "virt/lib/Kconfig"
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menuconfig VIRTUALIZATION
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bool "Virtualization"
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---help---
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Say Y here to get to see options for using your Linux host to run
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other operating systems inside virtual machines (guests).
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This option alone does not add any kernel code.
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If you say N, all options in this submenu will be skipped and
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disabled.
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if VIRTUALIZATION
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config KVM
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bool "Kernel-based Virtual Machine (KVM) support"
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depends on OF
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# for TASKSTATS/TASK_DELAY_ACCT:
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depends on NET && MULTIUSER
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select MMU_NOTIFIER
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select PREEMPT_NOTIFIERS
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select HAVE_KVM_CPU_RELAX_INTERCEPT
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select HAVE_KVM_ARCH_TLB_FLUSH_ALL
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select KVM_MMIO
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select KVM_ARM_HOST
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select KVM_GENERIC_DIRTYLOG_READ_PROTECT
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select SRCU
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select KVM_VFIO
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select HAVE_KVM_EVENTFD
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select HAVE_KVM_IRQFD
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select KVM_ARM_PMU if HW_PERF_EVENTS
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select HAVE_KVM_MSI
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select HAVE_KVM_IRQCHIP
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select HAVE_KVM_IRQ_ROUTING
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select IRQ_BYPASS_MANAGER
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select HAVE_KVM_IRQ_BYPASS
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select HAVE_KVM_VCPU_RUN_PID_CHANGE
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select TASKSTATS
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select TASK_DELAY_ACCT
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---help---
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Support hosting virtualized guest machines.
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We don't support KVM with 16K page tables yet, due to the multiple
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levels of fake page tables.
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If unsure, say N.
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config KVM_ARM_HOST
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bool
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---help---
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Provides host support for ARM processors.
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config KVM_ARM_PMU
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bool
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---help---
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Adds support for a virtual Performance Monitoring Unit (PMU) in
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virtual machines.
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config KVM_INDIRECT_VECTORS
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def_bool KVM && (HARDEN_BRANCH_PREDICTOR || HARDEN_EL2_VECTORS)
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source "drivers/vhost/Kconfig"
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endif # VIRTUALIZATION
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