linux-kernel - Re: [less-CONFIG_NET 7/7] kvm: drop CONFIG

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Date:   Thu, 7 Jun 2018 13:20:15 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Norbert Manthey <nmanthey@...zon.de>
Cc:     Radim Krčmář <rkrcmar@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [less-CONFIG_NET 7/7] kvm: drop CONFIG_NET

On 06/06/2018 15:53, Norbert Manthey wrote:
> In some scenarios, we do not want to use CONFIG_NET even though we want
> to use CONFIG_KVM. To get this working, and to not pull in more
> dependencies, we need to disable CONFIG_TASKSTATS as well.
> 
> Signed-off-by: Norbert Manthey <nmanthey@...zon.de>
> ---
>  arch/x86/kvm/Kconfig | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
> index 92fd433..f209817 100644
> --- a/arch/x86/kvm/Kconfig
> +++ b/arch/x86/kvm/Kconfig
> @@ -22,8 +22,8 @@ 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
> +	# TASK_DELAY_ACCT:
> +	depends on MULTIUSER
>  	depends on X86_LOCAL_APIC
>  	select PREEMPT_NOTIFIERS
>  	select MMU_NOTIFIER
> @@ -37,7 +37,6 @@ config KVM
>  	select KVM_ASYNC_PF
>  	select USER_RETURN_NOTIFIER
>  	select KVM_MMIO
> -	select TASKSTATS
>  	select TASK_DELAY_ACCT
>  	select PERF_EVENTS
>  	select HAVE_KVM_MSI
> 

Assuming it compiles, it looks good. :)

Paolo