linux-kernel - Re: [PATCH v7 09/15] KVM: arm64: selftests: Maintain consistency for vcpuid type

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Message-ID: <20210915055458.tek6piqjyswxlvfv@gator.home>
Date:   Wed, 15 Sep 2021 07:54:58 +0200
From:   Andrew Jones <drjones@...hat.com>
To:     Raghavendra Rao Ananta <rananta@...gle.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>, Marc Zyngier <maz@...nel.org>,
        James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Peter Shier <pshier@...gle.com>,
        Ricardo Koller <ricarkol@...gle.com>,
        Oliver Upton <oupton@...gle.com>,
        Reiji Watanabe <reijiw@...gle.com>,
        Jing Zhang <jingzhangos@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH v7 09/15] KVM: arm64: selftests: Maintain consistency for
 vcpuid type

On Tue, Sep 14, 2021 at 10:31:08PM +0000, Raghavendra Rao Ananta wrote:
> The prototype of aarch64_vcpu_setup() accepts vcpuid as
> 'int', while the rest of the aarch64 (and struct vcpu)
> carries it as 'uint32_t'. Hence, change the prototype
> to make it consistent throughout the board.
> 
> Signed-off-by: Raghavendra Rao Ananta <rananta@...gle.com>
> ---
>  tools/testing/selftests/kvm/include/aarch64/processor.h | 2 +-
>  tools/testing/selftests/kvm/lib/aarch64/processor.c     | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/testing/selftests/kvm/include/aarch64/processor.h b/tools/testing/selftests/kvm/include/aarch64/processor.h
> index 515d04a3c27d..27d8e1bb5b36 100644
> --- a/tools/testing/selftests/kvm/include/aarch64/processor.h
> +++ b/tools/testing/selftests/kvm/include/aarch64/processor.h
> @@ -63,7 +63,7 @@ static inline void set_reg(struct kvm_vm *vm, uint32_t vcpuid, uint64_t id, uint
>  	vcpu_ioctl(vm, vcpuid, KVM_SET_ONE_REG, &reg);
>  }
>  
> -void aarch64_vcpu_setup(struct kvm_vm *vm, int vcpuid, struct kvm_vcpu_init *init);
> +void aarch64_vcpu_setup(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_vcpu_init *init);
>  void aarch64_vcpu_add_default(struct kvm_vm *vm, uint32_t vcpuid,
>  			      struct kvm_vcpu_init *init, void *guest_code);
>  
> diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c
> index db64ee206064..34f6bd47661f 100644
> --- a/tools/testing/selftests/kvm/lib/aarch64/processor.c
> +++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c
> @@ -212,7 +212,7 @@ void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent)
>  	}
>  }
>  
> -void aarch64_vcpu_setup(struct kvm_vm *vm, int vcpuid, struct kvm_vcpu_init *init)
> +void aarch64_vcpu_setup(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_vcpu_init *init)
>  {
>  	struct kvm_vcpu_init default_init = { .target = -1, };
>  	uint64_t sctlr_el1, tcr_el1;
> -- 
> 2.33.0.309.g3052b89438-goog
>

Reviewed-by: Andrew Jones <drjones@...hat.com>