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From:   Raghavendra Rao Ananta <rananta@google.com>
Date:   Wed, 2 Aug 2023 16:30:39 -0700
Message-ID: <CAJHc60zvKSoPU6uTzZQCY2ZAeVj18qmu3=U-rUt5er0zGLQ33Q@mail.gmail.com>
Subject: Re: [PATCH v7 01/12] KVM: Rename kvm_arch_flush_remote_tlb() to kvm_arch_flush_remote_tlbs()
To:     Sean Christopherson <seanjc@google.com>
Cc:     Marc Zyngier <maz@kernel.org>,
        Oliver Upton <oliver.upton@linux.dev>,
        James Morse <james.morse@arm.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Huacai Chen <chenhuacai@kernel.org>,
        Zenghui Yu <yuzenghui@huawei.com>,
        Anup Patel <anup@brainfault.org>,
        Atish Patra <atishp@atishpatra.org>,
        Jing Zhang <jingzhangos@google.com>,
        Reiji Watanabe <reijiw@google.com>,
        Colton Lewis <coltonlewis@google.com>,
        David Matlack <dmatlack@google.com>,
        linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
        linux-mips@vger.kernel.org, kvm-riscv@lists.infradead.org,
        linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        kvm@vger.kernel.org, Gavin Shan <gshan@redhat.com>,
        =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= <philmd@linaro.org>,
        Shaoqin Huang <shahuang@redhat.com>
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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=E2=80=AFAM Sean Christopherson <seanjc@google.c=
om> wrote:
>
> On Wed, Aug 02, 2023, Marc Zyngier wrote:
> > On Tue, 01 Aug 2023 01:42:54 +0100,
> > Raghavendra Rao Ananta <rananta@google.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 o=
r
> > > 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 #de=
fines
> for the various "KVM_HAVE" knobs, but we have so many of both that one-of=
f
> conversions without a real need don't make much sense.