linux-kernel - Re: [PATCH 0/4 net-next] net: mana: Assigning IRQ affinity on HT cores

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Date: Tue, 09 Jan 2024 12:57:26 +0100
From: Paolo Abeni <pabeni@...hat.com>
To: Souradeep Chakrabarti <schakrabarti@...ux.microsoft.com>, 
 kys@...rosoft.com, haiyangz@...rosoft.com, wei.liu@...nel.org,
 decui@...rosoft.com,  davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, longli@...rosoft.com,  yury.norov@...il.com,
 leon@...nel.org, cai.huoqing@...ux.dev,  ssengar@...ux.microsoft.com,
 vkuznets@...hat.com, tglx@...utronix.de,  linux-hyperv@...r.kernel.org,
 netdev@...r.kernel.org,  linux-kernel@...r.kernel.org,
 linux-rdma@...r.kernel.org
Cc: schakrabarti@...rosoft.com, paulros@...rosoft.com
Subject: Re: [PATCH 0/4 net-next] net: mana: Assigning IRQ affinity on HT
 cores

On Tue, 2024-01-09 at 02:51 -0800, Souradeep Chakrabarti wrote:
> This patch set introduces a new helper function irq_setup(),
> to optimize IRQ distribution for MANA network devices.
> The patch set makes the driver working 15% faster than
> with cpumask_local_spread().
> 
> Souradeep Chakrabarti (1):
>   net: mana: Assigning IRQ affinity on HT cores
> 
> Yury Norov (3):
>   cpumask: add cpumask_weight_andnot()
>   cpumask: define cleanup function for cpumasks
>   net: mana: add a function to spread IRQs per CPUs
> 
>  .../net/ethernet/microsoft/mana/gdma_main.c   | 87 ++++++++++++++++---
>  include/linux/bitmap.h                        | 12 +++
>  include/linux/cpumask.h                       | 16 ++++
>  lib/bitmap.c                                  |  7 ++
>  4 files changed, 112 insertions(+), 10 deletions(-)

net-next is closed for the merge window period, please repost when it
will re-open in ~2 weeks.

Cheers,

Paolo