** Changed in: linux-nvidia (Ubuntu Noble)
Status: In Progress => Fix Committed
** Changed in: linux-nvidia-6.8 (Ubuntu Jammy)
Status: In Progress => Fix Committed
** Changed in: linux-nvidia-lowlatency (Ubuntu Noble)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/2084598
Title:
MANA: include driver fixes and enable module on ARM64
Status in linux-nvidia package in Ubuntu:
Invalid
Status in linux-nvidia-6.8 package in Ubuntu:
Invalid
Status in linux-nvidia-lowlatency package in Ubuntu:
Invalid
Status in linux-nvidia-6.8 source package in Jammy:
Fix Committed
Status in linux-nvidia source package in Noble:
Fix Committed
Status in linux-nvidia-lowlatency source package in Noble:
Fix Committed
Bug description:
SRU Justification
[Impact]
NVIDIA kernels are used on systems that require support for the Microsoft
Azure
Network Adapter, including on ARM64 systems with support for 64K and 4K page
sizes. Build the MANA driver on both arches and include the listed fixes for
the MANA driver to support both 64K and 4K page sizes and address a race
condition.
[Fix]
UBUNTU: [Packaging] nvidia: Include mana.ko in linux-modules-ABIVER package
UBUNTU: [Config] nvidia: Enable MANA configs on x86 and arm64
RDMA/mana_ib: use the correct page size for mapping user-mode doorbell page
RDMA/mana_ib: use the correct page table index based on hardware page size
net: mana: Fix RX buf alloc_size alignment and atomic op panic
net: mana: Fix race of mana_hwc_post_rx_wqe and new hwc response
net: mana: Add support for page sizes other than 4KB on ARM64
net: mana: Enable MANA driver on ARM64 with 4K page size
[Test Plan]
Compile tested on x86 and arm64. Kernel regression testing will be run to
verify there are no regressions from these patches on NVIDIA hardware.
[Where problems could occur]
These changes are specific to the MANA networking driver. Issues with this
patch would manifest as misbehavior of that driver, likely on ARM64 platforms.
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