ACK: [PATCH 0/2][j/l linux-azure] Azure: mlx5e: Add support for PCI relaxed ordering (RO) for better performance

[Roxana Nicolescu]

On 12/10/2023 19:14, Tim Gardner wrote:
> BugLink: https://bugs.launchpad.net/bugs/2039208
>
> SRU Justification
>
> [Impact]
> On Azure, the VM SKU Standard_NC64as_T4_v3's bandwidth is 30 Gbps, but we can
> only reach 15~20 Gbps with the 5.15.0-1049-azure kernel in Ubuntu 20.04 or
> the 6.2.0-1014-azure kernel in Ubuntu 22.04.
>
> After I pick up the upstream patch(es) to enable PCI relaxed ordering (RO) for
> the Mellanox VF NIC, the throughput goes up to 30.4 Gbps.
>
> [Fix]
>
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17347d5430c4e4e1a3c58ffa2732746bd26a9c02
> [2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e2351e517068718724f1d3b4010e2a41ec91fa76
> [3] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77528e2aed9246cf8017b8a6f1b658a264d6f2b2
> [4] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ed4b0661cce119870edb1994fd06c9cbc1dc05c3
>
> [Test Plan]
>
> Microsoft tested
>
> [Regression Potential]
>
> Mellanox connections could be corrupted or run slower.
>
> [Other Info]
>
> SF: #00370735
>
>
Acked-by: Roxana Nicolescu <roxana.nicolescu at canonical.com>