Messages in this thread | | | Date | Fri, 21 Feb 2014 23:44:40 -0800 | Subject | Re: [PATCH v5 10/33] iommu, irq: Allocate irq_desc for dmar_msi with local node | From | Yinghai Lu <> |
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On Fri, Feb 21, 2014 at 7:14 PM, Jiang Liu <jiang.liu@linux.intel.com> wrote:
> Seems there is no such protection on IA64 side. I feel create_irq_nr() > returns 0 for error is a little risky, 0 may be > a valid IRQ number on other platforms(no sure about this). > Thanks!
in [PATCH] ia64, irq: Add dummy create_irq_nr()
+unsigned int create_irq_nr(unsigned int from, int node) +{ + int irq = create_irq(); + + if (irq < 0) + irq = 0; + + return irq; +} +
so that from is ignored.
create_irq_nr() is only with x86 and ia64.
Thanks
Yinghai
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