linux-kernel - Re: [PATCH net-next] net: Treat __napi_schedule_irqoff() as __napi_schedule() on PREEMPT

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Message-Id: <162093721042.5649.1489711837264906533.git-patchwork-notify@kernel.org>
Date:   Thu, 13 May 2021 20:20:10 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     netdev@...r.kernel.org, juri.lelli@...hat.com, tglx@...utronix.de,
        linux-rt-users@...r.kernel.org, rostedt@...dmis.org,
        linux-kernel@...r.kernel.org, sassmann@...hat.com,
        davem@...emloft.net, kuba@...nel.org
Subject: Re: [PATCH net-next] net: Treat __napi_schedule_irqoff() as
 __napi_schedule() on PREEMPT_RT

Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Wed, 12 May 2021 23:43:24 +0200 you wrote:
> __napi_schedule_irqoff() is an optimized version of __napi_schedule()
> which can be used where it is known that interrupts are disabled,
> e.g. in interrupt-handlers, spin_lock_irq() sections or hrtimer
> callbacks.
> 
> On PREEMPT_RT enabled kernels this assumptions is not true. Force-
> threaded interrupt handlers and spinlocks are not disabling interrupts
> and the NAPI hrtimer callback is forced into softirq context which runs
> with interrupts enabled as well.
> 
> [...]

Here is the summary with links:
  - [net-next] net: Treat __napi_schedule_irqoff() as __napi_schedule() on PREEMPT_RT
    https://git.kernel.org/netdev/net-next/c/8380c81d5c4f

You are awesome, thank you!
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