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Groups > linux.kernel > #1227738
| From | Marc Zyngier <marc.zyngier@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting |
| Date | 2015-09-18 12:10 +0200 |
| Message-ID | <qa0Ma-7VN-27@gated-at.bofh.it> (permalink) |
| References | <q9OL0-7kB-15@gated-at.bofh.it> <q9RSx-3n6-3@gated-at.bofh.it> <q9ZQ6-6yg-29@gated-at.bofh.it> <qa09t-6UG-21@gated-at.bofh.it> |
| Organization | ARM Ltd |
On Fri, 18 Sep 2015 18:22:07 +0900 Kohji Okuno <okuno.kohji@jp.panasonic.com> wrote: > From: Thomas Gleixner <tglx@linutronix.de> > Date: Fri, 18 Sep 2015 11:04:23 +0200 > > That's weird. The flow is: > > > > interrupt() > > mask() > > ret = primary_handler() > > if (ret == WAKE_THREAD) > > wake_thread() > > else > > unmask() > > > > thread_handler() > > .... > > unmask() > > > > So if an interrupt is triggered on the device while the interrupt is > > masked it should be raised again immediately when the unmask happens > > because its level type. > > > > I'm wondering why that doesn't work. > > Yes. I think so. And, I have just found that sdhci_thread_irq() don't > finish in this case. I'm analyzing about this now. But, after I apply > my patch, sdhci_thread_irq() can finish. I will share the result with > you. What do you mean exactly by "don't finish"? Does it hang somewhere? Or keeps processing data but never drains? Thanks, M. -- Jazz is not dead. It just smells funny. -- 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] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Kohji Okuno <okuno.kohji@jp.panasonic.com> - 2015-09-17 09:40 +0200
Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Thomas Gleixner <tglx@linutronix.de> - 2015-09-17 10:10 +0200
Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Kohji Okuno <okuno.kohji@jp.panasonic.com> - 2015-09-17 10:30 +0200
Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Kohji Okuno <okuno.kohji@jp.panasonic.com> - 2015-09-17 11:50 +0200
Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Thomas Gleixner <tglx@linutronix.de> - 2015-09-17 23:20 +0200
Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Kohji Okuno <okuno.kohji@jp.panasonic.com> - 2015-09-18 02:40 +0200
Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Thomas Gleixner <tglx@linutronix.de> - 2015-09-18 11:10 +0200
Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Kohji Okuno <okuno.kohji@jp.panasonic.com> - 2015-09-18 11:30 +0200
Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Marc Zyngier <marc.zyngier@arm.com> - 2015-09-18 12:10 +0200
Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Kohji Okuno <okuno.kohji@jp.panasonic.com> - 2015-09-18 13:00 +0200
Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Thomas Gleixner <tglx@linutronix.de> - 2015-09-18 16:50 +0200
Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Kohji Okuno <okuno.kohji@jp.panasonic.com> - 2015-09-19 17:40 +0200
Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Thomas Gleixner <tglx@linutronix.de> - 2015-09-19 22:30 +0200
Re: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting Kohji Okuno <okuno.kohji@jp.panasonic.com> - 2015-09-20 02:30 +0200
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