linux-kernel - Re: [PATCH rcu 02/27] arch/arm64/kvm: Remove "select SRCU"

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Message-ID: <20230105154229.GU4028633@paulmck-ThinkPad-P17-Gen-1>
Date:   Thu, 5 Jan 2023 07:42:29 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Marc Zyngier <maz@...nel.org>
Cc:     rcu@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-team@...a.com, rostedt@...dmis.org,
        James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Oliver Upton <oliver.upton@...ux.dev>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev,
        kvmarm@...ts.cs.columbia.edu
Subject: Re: [PATCH rcu 02/27] arch/arm64/kvm: Remove "select SRCU"

On Thu, Jan 05, 2023 at 09:38:01AM +0000, Marc Zyngier wrote:
> On Thu, 05 Jan 2023 00:37:48 +0000,
> "Paul E. McKenney" <paulmck@...nel.org> wrote:
> > 
> > Now that the SRCU Kconfig option is unconditionally selected, there is
> > no longer any point in selecting it.  Therefore, remove the "select SRCU"
> > Kconfig statements.
> > 
> > Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
> > Cc: Marc Zyngier <maz@...nel.org>
> > Cc: James Morse <james.morse@....com>
> > Cc: Alexandru Elisei <alexandru.elisei@....com>
> > Cc: Suzuki K Poulose <suzuki.poulose@....com>
> > Cc: Oliver Upton <oliver.upton@...ux.dev>
> > Cc: Catalin Marinas <catalin.marinas@....com>
> > Cc: Will Deacon <will@...nel.org>
> > Cc: <linux-arm-kernel@...ts.infradead.org>
> > Cc: <kvmarm@...ts.linux.dev>
> > Cc: <kvmarm@...ts.cs.columbia.edu>
> > ---
> >  arch/arm64/kvm/Kconfig | 1 -
> >  1 file changed, 1 deletion(-)
> > 
> > diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig
> > index 05da3c8f7e88f..312f0e9869111 100644
> > --- a/arch/arm64/kvm/Kconfig
> > +++ b/arch/arm64/kvm/Kconfig
> > @@ -28,7 +28,6 @@ menuconfig KVM
> >  	select KVM_MMIO
> >  	select KVM_GENERIC_DIRTYLOG_READ_PROTECT
> >  	select KVM_XFER_TO_GUEST_WORK
> > -	select SRCU
> >  	select KVM_VFIO
> >  	select HAVE_KVM_EVENTFD
> >  	select HAVE_KVM_IRQFD
> 
> Acked-by: Marc Zyngier <maz@...nel.org>

Thank you, Marc!  I will apply this on my next rebase.

							Thanx, Paul

> 	M.
> 
> -- 
> Without deviation from the norm, progress is not possible.