linux-kernel - Re: [PATCH 11/14] irq: add support for allocating (and affinitizing) sets of IRQs

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Message-ID: <61ddcb9e-267d-ff36-dcec-70485ee3aa47@suse.de>
Date:   Mon, 29 Oct 2018 08:43:21 +0100
From:   Hannes Reinecke <hare@...e.de>
To:     Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org,
        linux-nvme@...ts.infradead.org
Cc:     Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 11/14] irq: add support for allocating (and affinitizing)
 sets of IRQs

On 10/25/18 11:16 PM, Jens Axboe wrote:
> A driver may have a need to allocate multiple sets of MSI/MSI-X
> interrupts, and have them appropriately affinitized. Add support for
> defining a number of sets in the irq_affinity structure, of varying
> sizes, and get each set affinitized correctly across the machine.
> 
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Jens Axboe <axboe@...nel.dk>
> ---
>   include/linux/interrupt.h |  4 ++++
>   kernel/irq/affinity.c     | 31 +++++++++++++++++++++++++------
>   2 files changed, 29 insertions(+), 6 deletions(-)
> 

Reviewed-by: Hannes Reinecke <hare@...e.com>

Cheers,

Hannes