linux-kernel - Re: [PATCH v7 05/23] iommu: Introduce cache

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Date:   Wed, 1 May 2019 11:38:13 +0100
From:   Jean-Philippe Brucker <jean-philippe.brucker@....com>
To:     Eric Auger <eric.auger@...hat.com>, eric.auger.pro@...il.com,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, kvmarm@...ts.cs.columbia.edu, joro@...tes.org,
        alex.williamson@...hat.com, jacob.jun.pan@...ux.intel.com,
        yi.l.liu@...el.com, will.deacon@....com, robin.murphy@....com
Cc:     peter.maydell@...aro.org, kevin.tian@...el.com,
        vincent.stehle@....com, ashok.raj@...el.com, marc.zyngier@....com,
        christoffer.dall@....com
Subject: Re: [PATCH v7 05/23] iommu: Introduce cache_invalidate API

On 08/04/2019 13:18, Eric Auger wrote:
> +int iommu_cache_invalidate(struct iommu_domain *domain, struct device *dev,
> +			   struct iommu_cache_invalidate_info *inv_info)
> +{
> +	int ret = 0;
> +
> +	if (unlikely(!domain->ops->cache_invalidate))
> +		return -ENODEV;
> +
> +	ret = domain->ops->cache_invalidate(domain, dev, inv_info);
> +
> +	return ret;

Nit: you don't really need ret

The UAPI looks good to me, so

Reviewed-by: Jean-Philippe Brucker <jean-philippe.brucker@....com>