RE: [PATCH] net: mana: Assign interrupts to CPUs based on NUMA nodes

[Haiyang Zhang]

> -----Original Message-----
> From: Saurabh Sengar <ssengar@xxxxxxxxxxxxxxxxxxx>
> Sent: Tuesday, November 1, 2022 2:06 AM
> To: Saurabh Singh Sengar <ssengar@xxxxxxxxxxxxx>; KY Srinivasan
> <kys@xxxxxxxxxxxxx>; Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>;
> wei.liu@xxxxxxxxxx; Dexuan Cui <decui@xxxxxxxxxxxxx>;
> davem@xxxxxxxxxxxxx; edumazet@xxxxxxxxxx; kuba@xxxxxxxxxx;
> pabeni@xxxxxxxxxx; ssengar@xxxxxxxxxxxxxxxxxxx;
> colin.i.king@xxxxxxxxxxxxxx; vkuznets@xxxxxxxxxx; linux-
> hyperv@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; Michael Kelley (LINUX) <mikelley@xxxxxxxxxxxxx>
> Subject: [PATCH] net: mana: Assign interrupts to CPUs based on NUMA nodes
> 
> In large VMs with multiple NUMA nodes, network performance is usually
> best if network interrupts are all assigned to the same virtual NUMA
> node. This patch assigns online CPU according to a numa aware policy,
> local cpus are returned first, followed by non-local ones, then it wraps
> around.
> 
> Signed-off-by: Saurabh Sengar <ssengar@xxxxxxxxxxxxxxxxxxx>

Reviewed-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>

Thank you.