ACK: [SRU][N:linux-azure][PATCH 0/1] [MANA] net: mana: Optimize irq affinity for low vcpu configs

Andrei Gherzan andrei.gherzan at canonical.com
Thu Sep 24 20:02:23 UTC 2026


On 2026/09/23 08:25PM, John Cabaj via kernel-team wrote:
> BugLink: https://bugs.launchpad.net/bugs/2162867
> 
> SRU Justification
> 
> [Impact]
> 
> * Microsoft requested backport of patch to better distribute MANA IRQs on virtual CPUs, affecting throughput.
> 
> [Fix]
> 
> * Simple backport of 5316394b1752: "net: mana: Optimize irq affinity for low vcpu configs"
> 
> [Test Plan]
> 
> * Compile tested
> * Microsoft to test further
> 
> [Regression potential]
> 
> * Patches isolated to MANA specifically. Possibly regression could result in unexpected behavior of MANA driver.
> 
> [Other info]
> 
> * SF#00442884
> 
> Shradha Gupta (1):
>   net: mana: Optimize irq affinity for low vcpu configs
> 
>  .../net/ethernet/microsoft/mana/gdma_main.c   | 78 +++++++++++++++----
>  1 file changed, 64 insertions(+), 14 deletions(-)

Acked-by: Andrei Gherzan <andrei.gherzan at canonical.com>

-- 
Andrei Gherzan
gpg: rsa4096/D4D94F67AD0E9640
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