linux-kernel - Re: [RFC PATCH v2 1/1] scsi: mpi3mr: Introduce smp_affinity

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Message-ID: <yq15xgvz9z5.fsf@ca-mkp.ca.oracle.com>
Date: Mon, 16 Jun 2025 16:51:37 -0400
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Aaron Tomlin <atomlin@...mlin.com>
Cc: mpi3mr-linuxdrv.pdl@...adcom.com, kashyap.desai@...adcom.com,
        sumit.saxena@...adcom.com, sreekanth.reddy@...adcom.com,
        James.Bottomley@...senPartnership.com, martin.petersen@...cle.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 1/1] scsi: mpi3mr: Introduce smp_affinity_enable
 module parameter


> This patch introduces a new module parameter namely
> "smp_affinity_enable", to govern the application of system-wide IRQ
> affinity (with kernel boot-time parameter "irqaffinity") for MSI-X
> interrupts. By default, the default IRQ affinity mask will not be
> respected. Set smp_affinity_enable to 0 disables this behaviour.
> Consequently, preventing the auto-assignment of MSI-X IRQs.

Broadcom: Please review!

-- 
Martin K. Petersen