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Date: Tue, 16 Sep 2014 10:45:26 -0700 (PDT) From: Thomas Gleixner <tglx@...utronix.de> To: Jiang Liu <jiang.liu@...ux.intel.com> cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>, Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, "Rafael J. Wysocki" <rjw@...ysocki.net>, Bjorn Helgaas <bhelgaas@...gle.com>, Randy Dunlap <rdunlap@...radead.org>, Yinghai Lu <yinghai@...nel.org>, Borislav Petkov <bp@...en8.de>, Grant Likely <grant.likely@...aro.org>, Marc Zyngier <marc.zyngier@....com>, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, Andrew Morton <akpm@...ux-foundation.org>, Tony Luck <tony.luck@...el.com>, Joerg Roedel <joro@...tes.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, x86@...nel.org, linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Subject: Re: [RFC Part2 v1 02/21] genirq: Introduce helper functions to support stacked irq_chip On Thu, 11 Sep 2014, Jiang Liu wrote: > +#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY > +void irq_chip_ack_parent(struct irq_data *data) > +{ > + data = data->parent_data; > + if (data && data->chip && data->chip->irq_ack) > + data->chip->irq_ack(data); Why is this restricted to a single parent level and does not go down the whole stack? Thanks, tglx -- 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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