RE: [PATCH v4 4/6] iommu/sva: Use GFP_KERNEL for pasid allocation

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To: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, "iommu@xxxxxxxxxxxxxxx" <iommu@xxxxxxxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxx>, Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, "Jean-Philippe Brucker" <jean-philippe@xxxxxxxxxx>, "Hansen, Dave" <dave.hansen@xxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, X86 Kernel <x86@xxxxxxxxxx>, "bp@xxxxxxxxx" <bp@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, "Peter Zijlstra" <peterz@xxxxxxxxxxxxx>, "corbet@xxxxxxx" <corbet@xxxxxxx>, "vkoul@xxxxxxxxxx" <vkoul@xxxxxxxxxx>, "dmaengine@xxxxxxxxxxxxxxx" <dmaengine@xxxxxxxxxxxxxxx>, "linux-doc@xxxxxxxxxxxxxxx" <linux-doc@xxxxxxxxxxxxxxx>
Subject: RE: [PATCH v4 4/6] iommu/sva: Use GFP_KERNEL for pasid allocation
From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
Date: Thu, 2 Mar 2023 08:59:04 +0000
Accept-language: en-US
Cc: Robin Murphy <robin.murphy@xxxxxxx>, Will Deacon <will@xxxxxxxxxx>, "David Woodhouse" <dwmw2@xxxxxxxxxxxxx>, "Raj, Ashok" <ashok.raj@xxxxxxxxx>, "Liu, Yi L" <yi.l.liu@xxxxxxxxx>, "Yu, Fenghua" <fenghua.yu@xxxxxxxxx>, "Jiang, Dave" <dave.jiang@xxxxxxxxx>, Kirill Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
In-reply-to: <20230301235646.2692846-5-jacob.jun.pan@linux.intel.com>
References: <20230301235646.2692846-1-jacob.jun.pan@linux.intel.com> <20230301235646.2692846-5-jacob.jun.pan@linux.intel.com>

> From: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> Sent: Thursday, March 2, 2023 7:57 AM
> 
> We’re not using  spinlock-protected IOASID allocation anymore, there’s
> no need for GFP_ATOMIC.
> 
> Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>

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

References:
- [PATCH v4 0/6] Remove VT-d virtual command interface and IOASID
  - From: Jacob Pan
- [PATCH v4 4/6] iommu/sva: Use GFP_KERNEL for pasid allocation
  - From: Jacob Pan

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