Commit c7892db5 authored Oct 24, 2019 by Steven Price Committed by Marc Zyngier Oct 24, 2019

KVM: arm64: Select TASK_DELAY_ACCT+TASKSTATS rather than SCHEDSTATS



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: 8564d637 ("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>

parent e0685fa2

arch/arm64/kvm/Kconfig

+4 −1

Original line number	Diff line number	Diff line
		@@ -21,6 +21,8 @@ if VIRTUALIZATION
		config KVM
		bool "Kernel-based Virtual Machine (KVM) support"
		depends on OF
		# for TASKSTATS/TASK_DELAY_ACCT:
		depends on NET && MULTIUSER
		select MMU_NOTIFIER
		select PREEMPT_NOTIFIERS
		select HAVE_KVM_CPU_RELAX_INTERCEPT
		@@ -39,7 +41,8 @@ config KVM
		select IRQ_BYPASS_MANAGER
		select HAVE_KVM_IRQ_BYPASS
		select HAVE_KVM_VCPU_RUN_PID_CHANGE
		select SCHEDSTATS
		select TASKSTATS
		select TASK_DELAY_ACCT
		---help---
		Support hosting virtualized guest machines.
		We don't support KVM with 16K page tables yet, due to the multiple

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