netdev - Re: [PATCH net-next] net: enc28j60: Use threaded interrupt instead of workqueue

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Message-Id: 
 <168385382182.13567.17908827053703617655.git-patchwork-notify@kernel.org>
Date: Fri, 12 May 2023 01:10:21 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Lukas Wunner <lukas@...ner.de>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, netdev@...r.kernel.org, p.rosenberger@...bus.com,
 hanzhi09@...il.com
Subject: Re: [PATCH net-next] net: enc28j60: Use threaded interrupt instead of
 workqueue

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Tue, 9 May 2023 06:28:56 +0200 you wrote:
> From: Philipp Rosenberger <p.rosenberger@...bus.com>
> 
> The Microchip ENC28J60 SPI Ethernet driver schedules a work item from
> the interrupt handler because accesses to the SPI bus may sleep.
> 
> On PREEMPT_RT (which forces interrupt handling into threads) this
> old-fashioned approach unnecessarily increases latency because an
> interrupt results in first waking the interrupt thread, then scheduling
> the work item.  So, a double indirection to handle an interrupt.
> 
> [...]

Here is the summary with links:
  - [net-next] net: enc28j60: Use threaded interrupt instead of workqueue
    https://git.kernel.org/netdev/net-next/c/995585ecdf42

You are awesome, thank you!
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