Re: [Regression] Re: [PATCH 18/18] iommu/vt-d: Remove IOVA handling code from the non-dma_ops path

2020-06-18 Thread Lu Baolu
Hi Alex, On 6/18/20 11:03 PM, Alex Williamson wrote: On Thu, 18 Jun 2020 09:52:56 +0800 Lu Baolu wrote: Hi Alex, Thanks for the report. On 6/18/20 4:06 AM, Alex Williamson wrote: On Sat, 16 May 2020 14:21:01 +0800 Lu Baolu wrote: From: Tom Murphy There's no need for the non-dma_ops

Re: [Regression] Re: [PATCH 18/18] iommu/vt-d: Remove IOVA handling code from the non-dma_ops path

2020-06-18 Thread Alex Williamson
On Thu, 18 Jun 2020 09:52:56 +0800 Lu Baolu wrote: > Hi Alex, > > Thanks for the report. > > On 6/18/20 4:06 AM, Alex Williamson wrote: > > On Sat, 16 May 2020 14:21:01 +0800 > > Lu Baolu wrote: > > > >> From: Tom Murphy > >> > >> There's no need for the non-dma_ops path to keep track of IO

Re: [Regression] Re: [PATCH 18/18] iommu/vt-d: Remove IOVA handling code from the non-dma_ops path

2020-06-17 Thread Lu Baolu
Hi Alex, Thanks for the report. On 6/18/20 4:06 AM, Alex Williamson wrote: On Sat, 16 May 2020 14:21:01 +0800 Lu Baolu wrote: From: Tom Murphy There's no need for the non-dma_ops path to keep track of IOVAs. The whole point of the non-dma_ops path is that it allows the IOVAs to be handled s

[Regression] Re: [PATCH 18/18] iommu/vt-d: Remove IOVA handling code from the non-dma_ops path

2020-06-17 Thread Alex Williamson
On Sat, 16 May 2020 14:21:01 +0800 Lu Baolu wrote: > From: Tom Murphy > > There's no need for the non-dma_ops path to keep track of IOVAs. The > whole point of the non-dma_ops path is that it allows the IOVAs to be > handled separately. The IOVA handling code removed in this patch is > pointles