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Groups > linux.debian.kernel > #85040
| From | Uwe Kleine-König <ukleinek@debian.org> |
|---|---|
| Newsgroups | linux.debian.bugs.dist, linux.debian.kernel |
| Subject | Bug#1090072: linux-image-amd64: Enable P2P and HMM feature for AMDGPU |
| Date | 2025-01-06 15:10 +0100 |
| Message-ID | <K1VXP-6bIX-1@gated-at.bofh.it> (permalink) |
| References | <JUaAF-hqrJ-3@gated-at.bofh.it> <JUaAF-hqrJ-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Cross-posted to 2 groups.
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Control: merge -1 1015871 Hello, On Mon, Dec 16, 2024 at 12:05:23PM +0800, Yiyang Wu wrote: > Package: linux-image-amd64 > Version: 6.12.3-1 > Severity: wishlist > Tags: patch > X-Debbugs-Cc: Benda Xu <orv@debian.org> > > The peer to peer (P2P) data transfer is important for programs that use multi-GPU. > > The heterogeneous memory management (HMM), is a mechanism to treat CPU memory > and GPU memory in a joint address space. It is an essential part of Unified > Memory in heterogeneous computing, which frees the developer from manually > handling data migration across different types of memories. Data will be > automatically transferred and cached into the memory of the compute node. This > programming model is gaining popularity, and for AMD GPU and ROCm, cards that > support xnack replay can utilize this model if CONFIG_HSA_AMD_SVM=y This request came up already in the past, see https://bugs.debian.org/1015871 Back then this looked more like some niche thing that mostly helps people who need a custom kernel anyhow. Does this new bug report mean that things have changed? Best regards Uwe
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Bug#1090072: linux-image-amd64: Enable P2P and HMM feature for AMDGPU Yiyang Wu <xgreenlandforwyy@gmail.com> - 2024-12-16 05:10 +0100 Bug#1090072: linux-image-amd64: Enable P2P and HMM feature for AMDGPU Uwe Kleine-König <ukleinek@debian.org> - 2025-01-06 15:10 +0100 Processed: Re: Bug#1090072: linux-image-amd64: Enable P2P and HMM feature for AMDGPU "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-01-06 15:10 +0100 Bug#1090072: marked as done (linux-image-amd64: Enable P2P and HMM feature for AMDGPU) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-03-14 22:10 +0100
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