Re: [PATCH] PCI/MSI: Export all remapped MSIs to sysfs attributes

[Thomas Gleixner]

On Fri, 9 Oct 2015, Bjorn Helgaas wrote:
> On Thu, Sep 24, 2015 at 01:31:16AM +0200, Romain Bezut wrote:
> > irqbalance uses these attributes to populate its internal database, which is
> > then used to bind the irq on the appropriate NUMA node.
> > 
> > On a device accepting multiple MSIs and with interrupt remapping enabled,
> > only the first irq entry is exported to msi_irqs directory.
> > This results in irqbalance having no clue of the NUMA affinity for the extra
> > irqs and starting to bind them on random nodes.
> > 
> > This patch exports all MSI interrupts as sysfs attributes when relevant.
> > 
> > Signed-off-by: Romain Bezut <rbezut@xxxxxxxxx>
> 
> This seems like it makes sense to me.  Do you have any bug reports
> related to this problem?  If so, I'll mention them in the changelog.
> 
> Added Neil, Thomas, and linux-kernel since this is of interest to folks
> beyond the usual linux-pci audience.

Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
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