linux-kernel - Re: [PATCH v7 01/12] KVM: Rename kvm_arch_flush_remote_tlb() to kvm_arch_flush_remote

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Message-ID: <CAJHc60zvKSoPU6uTzZQCY2ZAeVj18qmu3=U-rUt5er0zGLQ33Q@mail.gmail.com>
Date:   Wed, 2 Aug 2023 16:30:39 -0700
From:   Raghavendra Rao Ananta <rananta@...gle.com>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     Marc Zyngier <maz@...nel.org>,
        Oliver Upton <oliver.upton@...ux.dev>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Huacai Chen <chenhuacai@...nel.org>,
        Zenghui Yu <yuzenghui@...wei.com>,
        Anup Patel <anup@...infault.org>,
        Atish Patra <atishp@...shpatra.org>,
        Jing Zhang <jingzhangos@...gle.com>,
        Reiji Watanabe <reijiw@...gle.com>,
        Colton Lewis <coltonlewis@...gle.com>,
        David Matlack <dmatlack@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev,
        linux-mips@...r.kernel.org, kvm-riscv@...ts.infradead.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, Gavin Shan <gshan@...hat.com>,
        Philippe Mathieu-Daudé <philmd@...aro.org>,
        Shaoqin Huang <shahuang@...hat.com>
Subject: Re: [PATCH v7 01/12] KVM: Rename kvm_arch_flush_remote_tlb() to kvm_arch_flush_remote_tlbs()

Okay, so just the #define in the respective arch header with a global
declaration. I'll consider this in v8.

Thanks,
Raghavendra

On Wed, Aug 2, 2023 at 9:10 AM Sean Christopherson <seanjc@...gle.com> wrote:
>
> On Wed, Aug 02, 2023, Marc Zyngier wrote:
> > On Tue, 01 Aug 2023 01:42:54 +0100,
> > Raghavendra Rao Ananta <rananta@...gle.com> wrote:
> > > Thanks for the suggestions; I can go with a common declaration. Along
> > > with that, do we want to keep defining
> > > __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS in the arch code that supports it or
> > > convert it into a CONFIG_?
> >
> > This isn't something that a user can select, more something that is an
> > architectural decision. Maybe in a later patch if there is a consensus
> > around that, but probably not as part of this series.
>
> +1.  I agree it's annoying that KVM uses a mix of Kconfigs and manual #defines
> for the various "KVM_HAVE" knobs, but we have so many of both that one-off
> conversions without a real need don't make much sense.