Subject: Re: [PATCH v3 01/12] KVM: arm64: selftests: Add MMIO readl/writel support

From: Oliver Upton <[email-masked]>
Date: Wed, 1 Sep 2021 21:23:25 +0000

On Wed, Sep 01, 2021 at 09:14:01PM +0000, Raghavendra Rao Ananta wrote:
> Define the readl() and writel() functions for the guests to
> access (4-byte) the MMIO region.
> 
> The routines, and their dependents, are inspired from the kernel's
> arch/arm64/include/asm/io.h and arch/arm64/include/asm/barrier.h.
> 
> Signed-off-by: Raghavendra Rao Ananta <[email-masked]>
> ---
>  .../selftests/kvm/include/aarch64/processor.h | 45 ++++++++++++++++++-
>  1 file changed, 44 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/kvm/include/aarch64/processor.h b/tools/testing/selftests/kvm/include/aarch64/processor.h
> index c0273aefa63d..3cbaf5c1e26b 100644
> --- a/tools/testing/selftests/kvm/include/aarch64/processor.h
> +++ b/tools/testing/selftests/kvm/include/aarch64/processor.h
> @@ -130,6 +130,49 @@ void vm_install_sync_handler(struct kvm_vm *vm,
>  	val;								  \
>  })
>  
> -#define isb()	asm volatile("isb" : : : "memory")
> +#define isb()		asm volatile("isb" : : : "memory")

Is this a stray diff?

Otherwise:

Reviewed-by: Oliver Upton <[email-masked]>

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