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Message-ID: <BN9PR11MB52769D24FF395C1D42F33E2A8CB29@BN9PR11MB5276.namprd11.prod.outlook.com>
Date: Thu, 2 Mar 2023 08:58:21 +0000
From: "Tian, Kevin" <kevin.tian@...el.com>
To: Jacob Pan <jacob.jun.pan@...ux.intel.com>,
LKML <linux-kernel@...r.kernel.org>,
"iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
Jason Gunthorpe <jgg@...dia.com>,
Lu Baolu <baolu.lu@...ux.intel.com>,
Joerg Roedel <joro@...tes.org>,
"Jean-Philippe Brucker" <jean-philippe@...aro.com>,
"Hansen, Dave" <dave.hansen@...el.com>,
Thomas Gleixner <tglx@...utronix.de>,
X86 Kernel <x86@...nel.org>, "bp@...en8.de" <bp@...en8.de>,
"H. Peter Anvin" <hpa@...or.com>,
"Peter Zijlstra" <peterz@...radead.org>,
"corbet@....net" <corbet@....net>,
"vkoul@...nel.org" <vkoul@...nel.org>,
"dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
CC: Robin Murphy <robin.murphy@....com>, Will Deacon <will@...nel.org>,
"David Woodhouse" <dwmw2@...radead.org>,
"Raj, Ashok" <ashok.raj@...el.com>,
"Liu, Yi L" <yi.l.liu@...el.com>,
"Yu, Fenghua" <fenghua.yu@...el.com>,
"Jiang, Dave" <dave.jiang@...el.com>,
Kirill Shutemov <kirill.shutemov@...ux.intel.com>
Subject: RE: [PATCH v4 3/6] iommu/sva: Stop using ioasid_set for SVA
> From: Jacob Pan <jacob.jun.pan@...ux.intel.com>
> Sent: Thursday, March 2, 2023 7:57 AM
>
>
> - if (min == INVALID_IOASID || max == INVALID_IOASID ||
> + if (min == IOMMU_PASID_INVALID || max ==
> IOMMU_PASID_INVALID ||
> min == 0 || max < min)
> return -EINVAL;
>
if (!pasid_valid(min) || !pasid_valid(max) || ...)
with that,
Reviewed-by: Kevin Tian <kevin.tian@...el.com>
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