Re: [PATCH net v2] bnxt_en: Don't keep MSI-X vectors added before FW reserves them

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Dave Miller <davem@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>:

On Wed, 28 Oct 2026 04:49:33 -0700 you wrote:
> When dynamic MSI-X is supported, bnxt_check_rings() grows the MSI-X
> vectors with bnxt_change_msix() once FW says the new rings would fit,
> and keeps them.  FW only reserves the extra IRQs later, when
> bnxt_reserve_rings() calls __bnxt_reserve_rings().  The MSI-X table
> entries beyond the function's reserved IRQs are not backed until then:
> the MSI message written when the new vectors are activated is lost, and
> the entries read back as zero.  After FW reserves them they are live but
> still zero, so the NQ rings bound to them signal address 0 and every
> completion on those rings is lost.  The next ring change (for example
> ethtool -G) then times out freeing each of those rings and the TX
> watchdog fires:
> 
> [...]

Here is the summary with links:
  - [net,v2] bnxt_en: Don't keep MSI-X vectors added before FW reserves them
    https://git.kernel.org/netdev/net/c/af449230bd8d

You are awesome, thank you!
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