[Bug]: Incompatibility of enav2-vfio-patch on Ubuntu 24.04

[Binary-Vanguard-12138]

Preliminary Actions

• I have searched the existing issues and didn't find a duplicate.
• I have followed the AWS official troubleshoot documentation.
• I have followed the driver readme and best practices.

Driver Type

DPDK PMD for Elastic Network Adapter (ENA)

Driver Tag/Commit

ena_linux_2.13.1

Custom Code

No

OS Platform and Distribution

Ubuntu 24.04.1 LTS
20-Ubuntu SMP Thu Oct 10 18:14:42 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

Bug description

When I tried to run amzn-drivers/userspace/dpdk/enav2-vfio-patch/get-vfio-with-wc.sh on Ubuntu24.04, I got the following error.

 linux-aws-6.8.0/virt/kvm/kvm_main.c
W: Download is performed unsandboxed as root as file 'linux-aws_6.8.0-1021.23.dsc' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied)
Done

[2] Patch and build the vfio driver
Apply patch for the write combining to the vfio-pci
Using patch for kernel version 5.15
patching file drivers/vfio/pci/vfio_pci_core.c
Hunk #1 succeeded at 1745 (offset 252 lines).
Hunk #2 FAILED at 1506.
1 out of 2 hunks FAILED -- saving rejects to file drivers/vfio/pci/vfio_pci_core.c.rej
ERROR: Cannot apply patch: /home/ubuntu/dpdk/amzn-drivers/userspace/dpdk/enav2-vfio-patch/patches/linux-5.15-vfio-wc.patch!

Reproduction steps

1. Install a fresh Ubuntu 24.04.1 OS on AWS `c6in.16xlarge` instance.
2. Download and run the script.

  git clone https://github.com/amzn/amzn-drivers
  cd amzn-drivers/userspace/dpdk/enav2-vfio-patch
  sudo ./get-vfio-with-wc.sh

3. Got the error

 linux-aws-6.8.0/virt/kvm/guest_memfd.c
 linux-aws-6.8.0/virt/kvm/kvm_main.c
W: Download is performed unsandboxed as root as file 'linux-aws_6.8.0-1021.23.dsc' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied)
Done

[2] Patch and build the vfio driver
Apply patch for the write combining to the vfio-pci
Using patch for kernel version 5.15
patching file drivers/vfio/pci/vfio_pci_core.c
Hunk #1 succeeded at 1745 (offset 252 lines).
Hunk #2 FAILED at 1506.
1 out of 2 hunks FAILED -- saving rejects to file drivers/vfio/pci/vfio_pci_core.c.rej
ERROR: Cannot apply patch: /home/ubuntu/dpdk/amzn-drivers/userspace/dpdk/enav2-vfio-patch/patches/linux-5.15-vfio-wc.patch!

### Expected Behavior

The patch works without error.

### Actual Behavior

Patch fails with an error.

### Additional Data

_No response_

### Relevant log output

_No response_

### Contact Details

_No response_

[shaibran]

Thanks for informing us, we will look into this