Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <[email protected]>:
On Thu, 30 Apr 2026 01:36:21 -0700 you wrote:
> In a CVM environment, hardware responses cannot be trusted. The
> GDMA_QUERY_MAX_RESOURCES command returns resource limits used to
> determine the maximum number of queues.
>
> In mana_gd_query_max_resources(), gc->max_num_queues is initialized
> from num_online_cpus() and successively clamped by the hardware-reported
> max_eq, max_cq, max_sq, max_rq, and num_msix_usable values. If any of
> these hardware values is zero, gc->max_num_queues becomes zero and the
> function returns success. This leads to a confusing failure later when
> alloc_etherdev_mq() is called with zero queues, returning NULL and
> producing a misleading -ENOMEM error.
>
> [...]
Here is the summary with links:
- [net-next,v2] net: mana: hardening: Reject zero max_num_queues from
GDMA_QUERY_MAX_RESOURCES
https://git.kernel.org/netdev/net-next/c/f7622e58e802
You are awesome, thank you!
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