Re: [RFCv2 0/3] vmd irq list shortening, map allocation

[Bjorn Helgaas <helgaas@kernel.org>]

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
> 
>  arch/x86/pci/vmd.c | 94 ++++++++++++++++++++++++++++++++++++++++++------------
>  1 file changed, 73 insertions(+), 21 deletions(-)

These look OK to me, so if Keith acks them I'll merge them.