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Groups > linux.kernel > #1264837
| From | Thomas Gleixner <tglx@linutronix.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 07/14] genirq: Add a new generic IPI reservation code to irq core |
| Date | 2015-11-07 14:40 +0100 |
| Message-ID | <qsbSO-2TM-15@gated-at.bofh.it> (permalink) |
| References | <qqHN7-1ZB-7@gated-at.bofh.it> <qqHN8-1ZB-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, 3 Nov 2015, Qais Yousef wrote: > + > + /* always allocate a virq per cpu */ > + nr_irqs = ipi_mask_weight(dest); That's not really a good assumption. Not all architectures need seperate interrupt numbers / descriptors because they can allocate from a per cpu interrupt space. We really want to handle that here as well. So we need a flag in the IPI domain which tells us whether that allocation needs to be weight(desc) or 1. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH 07/14] genirq: Add a new generic IPI reservation code to irq core Qais Yousef <qais.yousef@imgtec.com> - 2015-11-03 12:20 +0100
Re: [PATCH 07/14] genirq: Add a new generic IPI reservation code to irq core kbuild test robot <lkp@intel.com> - 2015-11-03 13:10 +0100
Re: [PATCH 07/14] genirq: Add a new generic IPI reservation code to irq core Thomas Gleixner <tglx@linutronix.de> - 2015-11-07 13:20 +0100
Re: [PATCH 07/14] genirq: Add a new generic IPI reservation code to irq core Thomas Gleixner <tglx@linutronix.de> - 2015-11-07 14:40 +0100
Re: [PATCH 07/14] genirq: Add a new generic IPI reservation code to irq core Qais Yousef <qais.yousef@imgtec.com> - 2015-11-09 11:20 +0100
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