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Date:   Thu, 27 Jul 2023 11:24:41 +0100
Message-ID: <87v8e5r6s6.wl-maz@kernel.org>
From:   Marc Zyngier <maz@kernel.org>
To:     Raghavendra Rao Ananta <rananta@google.com>
Cc:     Oliver Upton <oliver.upton@linux.dev>,
        James Morse <james.morse@arm.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Sean Christopherson <seanjc@google.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=20Mathieu-Daud=C3=A9?=" <philmd@linaro.org>,
        Shaoqin Huang <shahuang@redhat.com>
Subject: Re: [PATCH v7 01/12] KVM: Rename kvm_arch_flush_remote_tlb() to kvm_arch_flush_remote_tlbs()
In-Reply-To: <20230722022251.3446223-2-rananta@google.com>
References: <20230722022251.3446223-1-rananta@google.com>
        <20230722022251.3446223-2-rananta@google.com>
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On Sat, 22 Jul 2023 03:22:40 +0100,
Raghavendra Rao Ananta <rananta@google.com> wrote:
>=20
> From: David Matlack <dmatlack@google.com>
>=20
> Rename kvm_arch_flush_remote_tlb() and the associated macro
> __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB to kvm_arch_flush_remote_tlbs() and
> __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS respectively.
>=20
> Making the name plural matches kvm_flush_remote_tlbs() and makes it more
> clear that this function can affect more than one remote TLB.
>=20
> No functional change intended.
>=20
> Signed-off-by: David Matlack <dmatlack@google.com>
> Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
> Reviewed-by: Gavin Shan <gshan@redhat.com>
> Reviewed-by: Philippe Mathieu-Daud=C3=A9 <philmd@linaro.org>
> Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
> ---
>  arch/mips/include/asm/kvm_host.h | 4 ++--
>  arch/mips/kvm/mips.c             | 2 +-
>  arch/x86/include/asm/kvm_host.h  | 4 ++--
>  include/linux/kvm_host.h         | 4 ++--
>  virt/kvm/kvm_main.c              | 2 +-
>  5 files changed, 8 insertions(+), 8 deletions(-)
>=20
> diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm=
_host.h
> index 04cedf9f8811..9b0ad8f3bf32 100644
> --- a/arch/mips/include/asm/kvm_host.h
> +++ b/arch/mips/include/asm/kvm_host.h
> @@ -896,7 +896,7 @@ static inline void kvm_arch_sched_in(struct kvm_vcpu =
*vcpu, int cpu) {}
>  static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
>  static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
> =20
> -#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB
> -int kvm_arch_flush_remote_tlb(struct kvm *kvm);
> +#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS
> +int kvm_arch_flush_remote_tlbs(struct kvm *kvm);

How about making this prototype global? I don't see a point in having
it per-architecture, specially as you are adding arm64 to that mix in
the following patch.

	M.

--=20
Without deviation from the norm, progress is not possible.