Public bug reported: Backport content from v6.19 to support huge PFNMAP and ECC with the nvgrace vfio variant driver that supports GPU passthrough on Grace- Hopper/Blackwell. This requires removing older NVIDIA:SAUCE patches and offered some of this support prior to upstreaming.
Summary of updates: Huge PFNMAP code patch series backport from v6.19 [1] ECC series code patch series backport from v6.19 [2][3][4] GGL ECC series backport from v6.19 [5] New EGM patch to handle ECC errors Cleanup to remove older non-upstreamed ECC handling code. Cleanup to remove PASID patch as it is handled in Qemu Cleanup to remove older KVM code for GPU memory mapping. Verified for GPU and EGM functionality within the VM with the Qemu branch [4]: Link: https://lore.kernel.org/all/[email protected]/ [1] Link: https://lore.kernel.org/all/[email protected]/ [2] Link: https://lore.kernel.org/all/[email protected]/ [3] Link: https://lore.kernel.org/all/[email protected]/ [4] Link: https://lore.kernel.org/all/[email protected]/ [5] Link: https://github.com/NVIDIA/QEMU/tree/nvidia_stable-10.1 [6] ** Affects: linux-nvidia (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2138892 Title: Backport nvgrace-gpu hugepfnmap, ecc patches and miscellaneous cleanups To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-nvidia/+bug/2138892/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
