Commit 63b3f96e authored by Peter Zijlstra's avatar Peter Zijlstra
Browse files

kvm: Select SCHED_INFO instead of TASK_DELAY_ACCT 



AFAICT KVM only relies on SCHED_INFO. Nothing uses the p->delays data
that belongs to TASK_DELAY_ACCT.

Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarIngo Molnar <mingo@kernel.org>
Acked-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Acked-by: default avatarMarc Zyngier <maz@kernel.org>
Acked-by: default avatarBalbir Singh <bsingharora@gmail.com>
Link: https://lkml.kernel.org/r/20210505111525.187225172@infradead.org
parent c5895d3f

arch/arm64/kvm/Kconfig

+1 −4
Original line number Diff line number Diff line
@@ -20,8 +20,6 @@ if VIRTUALIZATION 
menuconfig 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
@@ -38,8 +36,7 @@ menuconfig KVM 
	select IRQ_BYPASS_MANAGER

	select HAVE_KVM_IRQ_BYPASS

	select HAVE_KVM_VCPU_RUN_PID_CHANGE

	select TASKSTATS

	select TASK_DELAY_ACCT

	select SCHED_INFO

	help

	  Support hosting virtualized guest machines.

arch/x86/kvm/Kconfig

+1 −4
Original line number Diff line number Diff line
@@ -22,8 +22,6 @@ config KVM 
	tristate "Kernel-based Virtual Machine (KVM) support"

	depends on HAVE_KVM

	depends on HIGH_RES_TIMERS

	# for TASKSTATS/TASK_DELAY_ACCT:

	depends on NET && MULTIUSER

	depends on X86_LOCAL_APIC

	select PREEMPT_NOTIFIERS

	select MMU_NOTIFIER
@@ -36,8 +34,7 @@ config KVM 
	select KVM_ASYNC_PF

	select USER_RETURN_NOTIFIER

	select KVM_MMIO

	select TASKSTATS

	select TASK_DELAY_ACCT

	select SCHED_INFO

	select PERF_EVENTS

	select HAVE_KVM_MSI

	select HAVE_KVM_CPU_RELAX_INTERCEPT