From: tglx@linutronix.de (Thomas Gleixner)
To: linux-arm-kernel@lists.infradead.org
Subject: Get rid of IRQF_DISABLED - (was [PATCH] genirq: warn about IRQF_SHARED|IRQF_DISABLED)
Date: Mon, 30 Nov 2009 22:23:46 +0100 (CET) [thread overview]
Message-ID: <alpine.LFD.2.00.0911302216030.24119@localhost.localdomain> (raw)
In-Reply-To: <20091130195129.GA19172@pengutronix.de>
On Mon, 30 Nov 2009, Uwe Kleine-K?nig wrote:
> I think there is
>
> 3) you can only benefit from decent priority hardware if irqs are
> processed while irqs are enabled.
>
> I think
>
> git grep handle_fasteoi_irq
>
> gives an overview here: some hits in arch/powerpc, arch/sparc and
> arch/x86/kernel/apic/io_apic.c. (There is handle_prio_irq in
No. That handler is not an indicator for prio hardware actively used
in the sense of allowing higher prio interrupts to interrupt a current
running lower priority one. It can be used when the irq controller
does not fire the interrupt again before the eoi acknowledge has been
done.
Thanks,
tglx
next prev parent reply other threads:[~2009-11-30 21:23 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-21 7:39 [PATCH] Don't disable irqs in set_next_event and set_mode callbacks Uwe Kleine-König
2009-09-21 9:04 ` Russell King - ARM Linux
2009-09-21 9:16 ` Uwe Kleine-König
2009-09-21 9:30 ` Russell King - ARM Linux
2009-09-21 10:48 ` Alessandro Rubini
2009-09-21 12:32 ` Kristoffer Ericson
2009-09-23 19:01 ` Eric Miao
2009-09-23 21:04 ` Remy Bohmer
2009-11-26 10:26 ` [RESENT PATCH] " Uwe Kleine-König
2009-11-26 10:50 ` Russell King - ARM Linux
2009-11-26 11:31 ` Russell King - ARM Linux
2009-11-27 10:44 ` Uwe Kleine-König
2009-11-27 19:08 ` Thomas Gleixner
2009-11-27 19:58 ` Russell King - ARM Linux
2009-11-27 20:38 ` Uwe Kleine-König
2009-11-27 20:44 ` Russell King - ARM Linux
2009-11-27 21:31 ` Thomas Gleixner
2009-11-27 21:59 ` Russell King - ARM Linux
2009-11-27 22:20 ` Thomas Gleixner
2009-11-27 21:10 ` [PATCH] warn about shared irqs requesting IRQF_DISABLED registered with setup_irq Uwe Kleine-König
2009-11-27 22:18 ` Thomas Gleixner
2009-11-28 20:03 ` Uwe Kleine-König
2009-11-28 21:50 ` Thomas Gleixner
2009-11-28 22:13 ` David Brownell
2009-11-29 2:31 ` Jamie Lokier
2009-11-29 10:26 ` Uwe Kleine-König
2009-11-29 15:18 ` Jamie Lokier
2009-11-29 15:27 ` Russell King - ARM Linux
2009-11-30 20:39 ` Jamie Lokier
2009-11-30 9:28 ` Uwe Kleine-König
2009-11-30 9:54 ` Thomas Gleixner
2009-11-28 22:09 ` David Brownell
2009-11-30 10:47 ` [PATCH] genirq: warn about IRQF_SHARED|IRQF_DISABLED at the right place Uwe Kleine-König
2009-11-30 13:54 ` Get rid of IRQF_DISABLED - (was [PATCH] genirq: warn about IRQF_SHARED|IRQF_DISABLED) Thomas Gleixner
2009-11-30 14:03 ` Peter Zijlstra
2009-11-30 14:24 ` Thomas Gleixner
2009-11-30 14:47 ` Alan Cox
2009-11-30 15:01 ` Russell King - ARM Linux
2009-11-30 15:32 ` Alan Cox
2009-11-30 15:43 ` Russell King - ARM Linux
2009-11-30 20:15 ` Andrew Victor
2009-11-30 20:53 ` David Brownell
2009-11-30 20:38 ` David Brownell
2009-12-01 1:42 ` Andy Walls
2009-11-30 19:59 ` Benjamin Herrenschmidt
2009-11-30 21:31 ` Thomas Gleixner
2009-11-30 21:42 ` Benjamin Herrenschmidt
2009-11-30 21:54 ` Thomas Gleixner
2009-11-30 14:37 ` Russell King - ARM Linux
2009-11-30 14:39 ` Russell King - ARM Linux
2009-11-30 17:48 ` Thomas Gleixner
2009-11-30 14:51 ` Alan Cox
2009-11-30 21:59 ` Thomas Gleixner
2009-11-30 23:30 ` Alan Cox
2009-11-30 15:38 ` Nicolas Pitre
2009-11-30 17:46 ` Thomas Gleixner
2009-11-30 19:51 ` Uwe Kleine-König
2009-11-30 21:23 ` Thomas Gleixner [this message]
2009-11-30 20:21 ` [PATCH] genirq: warn about IRQF_SHARED|IRQF_DISABLED at the right place David Brownell
2009-11-30 20:27 ` Uwe Kleine-König
2010-01-12 15:42 ` [RESEND PATCH] " Uwe Kleine-König
2009-11-26 10:51 ` [RESENT PATCH] Don't disable irqs in set_next_event and set_mode callbacks Eric Miao
2009-12-17 13:33 ` [PATCH 1/2] arm/at91: " Uwe Kleine-König
2009-12-17 13:33 ` [PATCH 2/2] arm/{pxa, sa1100, nomadik}: Don't disable irqs in set_next_event and set_mode Uwe Kleine-König
2010-01-22 16:08 ` [PATCH 1/2] arm/at91: Don't disable irqs in set_next_event and set_mode callbacks Uwe Kleine-König
2010-01-22 16:36 ` Russell King - ARM Linux
2010-01-22 16:52 ` Uwe Kleine-König
2010-02-12 10:35 ` Uwe Kleine-König
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