linux-kernel - Re: [PATCH v2 09/19] iommu/vt-d: Enlightened PASID allocation

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Message-ID: <20190426080545.485a4124@jacob-builder>
Date:   Fri, 26 Apr 2019 08:05:45 -0700
From:   Jacob Pan <jacob.jun.pan@...ux.intel.com>
To:     Auger Eric <eric.auger@...hat.com>
Cc:     iommu@...ts.linux-foundation.org,
        LKML <linux-kernel@...r.kernel.org>,
        Joerg Roedel <joro@...tes.org>,
        David Woodhouse <dwmw2@...radead.org>,
        Alex Williamson <alex.williamson@...hat.com>,
        Jean-Philippe Brucker <jean-philippe.brucker@....com>,
        Yi Liu <yi.l.liu@...el.com>,
        "Tian, Kevin" <kevin.tian@...el.com>,
        Raj Ashok <ashok.raj@...el.com>,
        Christoph Hellwig <hch@...radead.org>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Andriy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        jacob.jun.pan@...ux.intel.com
Subject: Re: [PATCH v2 09/19] iommu/vt-d: Enlightened PASID allocation

On Fri, 26 Apr 2019 09:24:29 +0200
Auger Eric <eric.auger@...hat.com> wrote:

> > Agreed  
> >>> +#define VCMD_VRSP_RESULE(e)		(((e) >> 8) &
> >>> 0xfffff)    
> >> nit: s/RESULE/RSLT?  
> > yes. Also the mask bits should be 8 to 63
> > s/0xfffff/GENMASK_ULL(63, 8))/  
> Well the macro definition looks correct as 63:28 is RsvdZ

you are right, I misread the spec.

Thanks,

Jacob