linux-kernel - Re: [PATCH v3 3/5] iommu/uapi: Use named union for user data

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Message-ID: <20200624084801.297c9c0b@jacob-builder>
Date:   Wed, 24 Jun 2020 08:48:01 -0700
From:   Jacob Pan <jacob.jun.pan@...ux.intel.com>
To:     Lu Baolu <baolu.lu@...ux.intel.com>
Cc:     iommu@...ts.linux-foundation.org,
        LKML <linux-kernel@...r.kernel.org>,
        Joerg Roedel <joro@...tes.org>,
        Alex Williamson <alex.williamson@...hat.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Yi Liu <yi.l.liu@...el.com>,
        "Tian, Kevin" <kevin.tian@...el.com>,
        Raj Ashok <ashok.raj@...el.com>,
        Christoph Hellwig <hch@...radead.org>,
        Jean-Philippe Brucker <jean-philippe@...aro.com>,
        Eric Auger <eric.auger@...hat.com>,
        Jonathan Corbet <corbet@....net>, jacob.jun.pan@...ux.intel.com
Subject: Re: [PATCH v3 3/5] iommu/uapi: Use named union for user data

On Wed, 24 Jun 2020 14:29:57 +0800
Lu Baolu <baolu.lu@...ux.intel.com> wrote:

> >   		case IOMMU_CACHE_INV_TYPE_IOTLB:
> >   			/* HW will ignore LSB bits based on
> > address mask */ if (inv_info->granularity == IOMMU_INV_GRANU_ADDR &&
> >   			    size &&
> > -			    (inv_info->addr_info.addr &
> > ((BIT(VTD_PAGE_SHIFT + size)) - 1))) {
> > +				(inv_info->granu.addr_info.addr &
> > ((BIT(VTD_PAGE_SHIFT + size)) - 1))) {  
> 
> Nit: Keep it aligned. With this tweaked,
> 
> Reviewed-by: Lu Baolu <baolu.lu@...ux.intel.com>
will do. Thanks.