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

From Thomas Gleixner <tglx@linutronix.de>
Newsgroups linux.kernel
Subject Re: [PATCH] PCI/MSI: Export all remapped MSIs to sysfs attributes
Date 2015-10-11 11:50 +0200
Message-ID <qilqp-4vD-3@gated-at.bofh.it> (permalink)
References <qhOut-7eA-13@gated-at.bofh.it> <qhOut-7eA-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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@gmail.com>
> 
> 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@linutronix.de>
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Re: [PATCH] PCI/MSI: Export all remapped MSIs to sysfs attributes Bjorn Helgaas <helgaas@kernel.org> - 2015-10-10 00:40 +0200
  Re: [PATCH] PCI/MSI: Export all remapped MSIs to sysfs attributes Thomas Gleixner <tglx@linutronix.de> - 2015-10-11 11:50 +0200

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