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Date: Sun, 07 Dec 2014 21:42:48 +0100 From: Daniel Lezcano <daniel.lezcano@...aro.org> To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> CC: Thomas Gleixner <tglx@...utronix.de>, Nicolas Pitre <nicolas.pitre@...aro.org> Subject: [question] on which cpu an interrupt controller will raise an irq ? Hi all, I am not very familiar with the interrupt subsystem, so sorry if this sounds a stupid question. IIUC, when a interrupt happens on a SMP system and if there is no affinity set for it, it is delivered following a scheme decided by the interrupt controller. For example, for the APIC, there is a round robin behaviour, so an interrupt will be raised on cpu0, then cpu1, and so on ... Is there a way to know on which cpu a controller will raise the interrupt ? Thanks in advance -- Daniel -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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