linux-kernel - RE: [PATCH v10 08/12] iommu/sva: Refactoring iommu_sva_bind/unbind

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Date:   Thu, 7 Jul 2022 01:56:59 +0000
From:   "Tian, Kevin" <kevin.tian@...el.com>
To:     Lu Baolu <baolu.lu@...ux.intel.com>,
        Joerg Roedel <joro@...tes.org>,
        "Jason Gunthorpe" <jgg@...dia.com>,
        Christoph Hellwig <hch@...radead.org>,
        "Raj, Ashok" <ashok.raj@...el.com>, Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Jean-Philippe Brucker <jean-philippe@...aro.com>,
        "Jiang, Dave" <dave.jiang@...el.com>, Vinod Koul <vkoul@...nel.org>
CC:     Eric Auger <eric.auger@...hat.com>,
        "Liu, Yi L" <yi.l.liu@...el.com>,
        "Pan, Jacob jun" <jacob.jun.pan@...el.com>,
        Zhangfei Gao <zhangfei.gao@...aro.org>,
        "Zhu, Tony" <tony.zhu@...el.com>,
        "iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v10 08/12] iommu/sva: Refactoring
 iommu_sva_bind/unbind_device()

> From: Lu Baolu <baolu.lu@...ux.intel.com>
> Sent: Tuesday, July 5, 2022 1:07 PM
> 
> +struct iommu_sva *iommu_sva_bind_device(struct device *dev, struct
> mm_struct *mm)
> +{
> +	struct iommu_domain *domain;
> +	ioasid_t max_pasids;
> +	int ret = -EINVAL;

-EINVAL is not used.

Reviewed-by: Kevin Tian <kevin.tian@...el.com>