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Re: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP call
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From: |
Jason Gunthorpe |
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Subject: |
Re: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls |
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Date: |
Thu, 8 Jun 2023 22:00:35 -0300 |
On Thu, Jun 08, 2023 at 03:53:23PM -0400, Peter Xu wrote:
> Though that does look slightly special, because the whole empty UNMAP
> region can be seen as a hole too; not sure when that -ENOENT will be useful
> if qemu should always bypass it anyway. Indeed not a problem to qemu.
It sounds like it might be good to have a flag to unmap the whole
range regardless of contiguity
Jason
- Re: [PATCH v3 4/5] intel_iommu: Fix address space unmap, (continued)
[PATCH v3 3/5] intel_iommu: Fix flag check in replay, Zhenzhong Duan, 2023/06/08
[PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls, Zhenzhong Duan, 2023/06/08
- Re: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls, Peter Xu, 2023/06/08
- Re: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls, Jason Gunthorpe, 2023/06/08
- Re: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls, Peter Xu, 2023/06/08
- Re: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls, Jason Gunthorpe, 2023/06/08
- Re: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls, Peter Xu, 2023/06/08
- Re: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls,
Jason Gunthorpe <=
- RE: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls, Duan, Zhenzhong, 2023/06/09
- Re: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls, Peter Xu, 2023/06/09
- RE: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls, Duan, Zhenzhong, 2023/06/12
- RE: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls, Duan, Zhenzhong, 2023/06/14
RE: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls, Duan, Zhenzhong, 2023/06/09
RE: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls, Duan, Zhenzhong, 2023/06/08
Re: [PATCH v3 5/5] intel_iommu: Optimize out some unnecessary UNMAP calls, Peter Xu, 2023/06/08