linux-kernel - Re: [PATCH-v3 1/3] genirq: Fixed Global Software Interrupt Moderation (GSIM)

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Message-ID: <15fdb116-fbb1-47d0-8bb4-c1d97a99fee7@infradead.org>
Date: Wed, 17 Dec 2025 11:17:58 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Luigi Rizzo <lrizzo@...gle.com>, Thomas Gleixner <tglx@...utronix.de>,
 Marc Zyngier <maz@...nel.org>, Luigi Rizzo <rizzo.unipi@...il.com>,
 Paolo Abeni <pabeni@...hat.com>, Andrew Morton <akpm@...ux-foundation.org>,
 Sean Christopherson <seanjc@...gle.com>,
 Jacob Pan <jacob.jun.pan@...ux.intel.com>
Cc: linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
 Bjorn Helgaas <bhelgaas@...gle.com>, Willem de Bruijn <willemb@...gle.com>
Subject: Re: [PATCH-v3 1/3] genirq: Fixed Global Software Interrupt Moderation
 (GSIM)



On 12/17/25 3:21 AM, Luigi Rizzo wrote:
> diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
> index 1b4254d19a73e..c258973b63459 100644
> --- a/kernel/irq/Kconfig
> +++ b/kernel/irq/Kconfig
> @@ -155,6 +155,18 @@ config IRQ_KUNIT_TEST
>  
>  endmenu
>  
> +# Support platform wide software interrupt moderation
> +config IRQ_SOFT_MODERATION
> +	bool "Enable platform wide software interrupt moderation"
> +	depends on PROC_FS=y
> +	help
> +	  Enable platform wide software interrupt moderation.
> +	  Uses a local timer to delay interrupts in configurable ways
> +	  and depending on various global system load indicators
> +	  and targets.
> +
> +	  If you don't know what to do here, say N.

s/platform wide/platform-wide/g
(3 places)

-- 
~Randy