linux-kernel - Re: [PATCH 5/7] pci/msi: Provide pci_alloc_irq_vectors

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Date:   Tue, 8 Nov 2016 09:17:33 +0100
From:   Hannes Reinecke <hare@...e.de>
To:     Christoph Hellwig <hch@....de>, tglx@...utronix.de
Cc:     axboe@...nel.dk, linux-block@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/7] pci/msi: Provide pci_alloc_irq_vectors_affinity()

On 11/07/2016 07:47 PM, Christoph Hellwig wrote:
> From: Christogh Hellwig <hch@....de>
>
> This is a variant of pci_alloc_irq_vectors() that allows passing a
> struct irq_affinity to provide fine-grainded IRQ affinity control.
> For now this means being able to exclude vectors at the beginning or
> end of the MSI vector space, but it could also be used for any other
> quirks needed in the future (e.g. more vectors than CPUs, or exluding
> CPUs from the spreading).
>
> Signed-off-by: Christogh Hellwig <hch@....de>
> ---
>  drivers/pci/msi.c   | 20 +++++++++++++-------
>  include/linux/pci.h | 24 +++++++++++++++++++-----
>  2 files changed, 32 insertions(+), 12 deletions(-)
>
Reviewed-by: Hannes Reinecke <hare@...e.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@...e.de			               +49 911 74053 688
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