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 <[email protected]>
Fixes: 8564d63 ("KVM: arm64: Support stolen time reporting via shared structure")
Signed-off-by: Steven Price <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>

Author: Steven Price

arch/arm64/kvm/Kconfig

@@ -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---
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