From: Bjorn Helgaas <helgaas@kernel.org>
To: Jon Derrick <jonathan.derrick@intel.com>
Cc: keith.busch@intel.com, linux-pci@vger.kernel.org
Subject: Re: [RFCv2 0/3] vmd irq list shortening, map allocation
Date: Wed, 14 Sep 2016 15:25:16 -0500 [thread overview]
Message-ID: <20160914202515.GA13189@localhost> (raw)
In-Reply-To: <1472838786-3441-1-git-send-email-jonathan.derrick@intel.com>
On Fri, Sep 02, 2016 at 11:53:03AM -0600, Jon Derrick wrote:
> V2:
> Added a map for vmd irqs to attempt to allocate all vmd irqs within an
> irq list into a single page. Once we start getting many devices
> sharing the irq in an irq list, this may help the list traversal latency.
>
> V1:
> Couple of RFC patches here. I don't really notice a positive benefit but
> it does reduce the struct size of vmd_irq_list and hopefully we gain some
> cache benefits from that.
>
> Both are based on:
> https://patchwork.kernel.org/patch/9304179/
> https://patchwork.kernel.org/patch/9304181/
>
> Jon Derrick (3):
> vmd: eliminate vmd_vector member from list type
> vmd: eliminate index member from irq list
> pci/vmd: Create irq map for irq nodes
I converted Keith's "looks good to me" to acks on 1/3 and 2/3, applied them
to pci/host-vmd for v4.9, and dropped 3/3 for now. Thanks, guys!
prev parent reply other threads:[~2016-09-14 20:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-02 17:53 [RFCv2 0/3] vmd irq list shortening, map allocation Jon Derrick
2016-09-02 17:53 ` [RFCv2 1/3] vmd: eliminate vmd_vector member from list type Jon Derrick
2016-09-02 17:53 ` [RFCv2 2/3] vmd: eliminate index member from irq list Jon Derrick
2016-09-02 17:53 ` [RFCv2 3/3] pci/vmd: Create irq map for irq nodes Jon Derrick
2016-09-13 20:57 ` [RFCv2 0/3] vmd irq list shortening, map allocation Bjorn Helgaas
2016-09-13 22:16 ` Busch, Keith
2016-09-14 14:44 ` Jon Derrick
2016-09-14 20:25 ` Bjorn Helgaas [this message]
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