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Groups > linux.kernel > #1517260
| From | Christoph Hellwig <hch@lst.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC PATCH] pci: add pci_irq_get_affinity_vector() |
| Date | 2016-11-08 16:00 +0100 |
| Message-ID | <sBg2u-2e5-41@gated-at.bofh.it> (permalink) |
| References | <sB9km-6qe-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Nov 08, 2016 at 08:47:21AM +0100, Hannes Reinecke wrote: > Add a reverse-mapping function to return the interrupt vector for > any CPU if interrupt affinity is enabled. What's the use case of it? Also as-is this won't work due to the non-affinity vectors that have the affinity set to all cpus. It will get even worse if we have to support things like virtio_net that have multiple interrupts per CPU due to the send and receive virtqueues.
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[RFC PATCH] pci: add pci_irq_get_affinity_vector() Hannes Reinecke <hare@suse.de> - 2016-11-08 08:50 +0100
Re: [RFC PATCH] pci: add pci_irq_get_affinity_vector() Christoph Hellwig <hch@lst.de> - 2016-11-08 16:00 +0100
Re: [RFC PATCH] pci: add pci_irq_get_affinity_vector() Hannes Reinecke <hare@suse.de> - 2016-11-08 16:10 +0100
Re: [RFC PATCH] pci: add pci_irq_get_affinity_vector() Christoph Hellwig <hch@lst.de> - 2016-11-08 16:20 +0100
Re: [RFC PATCH] pci: add pci_irq_get_affinity_vector() Christoph Hellwig <hch@lst.de> - 2016-11-08 16:30 +0100
Re: [RFC PATCH] pci: add pci_irq_get_affinity_vector() Hannes Reinecke <hare@suse.de> - 2016-11-08 16:30 +0100
Re: [RFC PATCH] pci: add pci_irq_get_affinity_vector() Thomas Gleixner <tglx@linutronix.de> - 2016-11-08 16:00 +0100
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