APPLIED: [jammy xilinx-zynqmp 0/2] Turn off non-zynqmp arch support

Portia Stephens portia.stephens at canonical.com
Mon Feb 19 23:55:06 UTC 2024


On Wed, Dec 13, 2023 at 3:24 PM Portia Stephens
<portia.stephens at canonical.com> wrote:
>
> [ Impact ]
>
> * This is an optimized kernel for zynqmp range of devices.
> * Currently about 14% of kernel build is targeting non-zynqmp devices, which
> is dead code unused in production
> * This reduces kernel build time, kernel image & modules size, amount of
> required firmware, and makes initrd smaller.
> * This reduces peak memory usage on boot as well
> * This will loose ability to execute this exact same kernel build on non-zynqmp
> device, for benchmarking purposes generic kernel should be used instead.
>
> [ Test Plan ]
>
> * Ensure newly produced kernel installs and boots on Ubuntu Server and Ubuntu
> Core target devices without any loss of peripherals and stock devices.
>
> [ Where problems could occur ]
>
> * This changes may limit ability to smoke-test this kernel on non-zynqmp
> devices, if needed support for individual CPUs can be turned back on. Or
> ideally any such testing should move to zynqmp devices.
> (examples of potentially interesting things to turn back on upon request
> are QCOM APPLE suppport for running this kernel on Arm Laptops for developer
> convenience)
> * It is expected for KVM and QEMU to continue to work as both host and guest
>
> Dimitri John Ledkov (2):
>   UBUNTU: [Config] Turn off non-zynqmp arch support
>   UBUNTU: [Packaging] Update new baseline abi checks
>
>  debian.zynqmp/abi/arm64/xilinx-zynqmp         | 39937 ++++++++--------
>  debian.zynqmp/abi/arm64/xilinx-zynqmp.modules |   921 +-
>  .../abi/arm64/xilinx-zynqmp.modules.builtin   |   152 -
>  debian.zynqmp/abi/fwinfo                      |    68 +-
>  debian.zynqmp/abi/fwinfo.builtin              |     3 -
>  debian.zynqmp/config/annotations              |  1623 +-
>  6 files changed, 20917 insertions(+), 21787 deletions(-)
>
> --
> 2.34.1
>



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