From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: generic irq handler and stack?
Date: Tue, 7 Dec 2010 10:41:16 +0000 [thread overview]
Message-ID: <20101207104116.GA20264@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <201012071129.26211.tim.sander@hbm.com>
On Tue, Dec 07, 2010 at 11:29:26AM +0100, Tim Sander wrote:
> The interrupt handling on the i.mx35x seems to handle only one interrupt at a
> time. This generates larger then nessecary interrupt jitter. I am currently
> investigating to reprogram the AVIC to enable higher priority interrupts to
> interrupt lower priority interrupts. The mechanism is outlined in section
> 13,3.8 of the IMX35 Reference Manual.
The kernel now runs _all_ interrupts with IRQs masked on the CPU. See
e58aa3d2d0cc01ad8d6f7f640a0670433f794922.
next prev parent reply other threads:[~2010-12-07 10:41 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-07 10:29 generic irq handler and stack? Tim Sander
2010-12-07 10:41 ` Russell King - ARM Linux [this message]
2010-12-07 12:56 ` Tim Sander
2010-12-07 15:02 ` Russell King - ARM Linux
2010-12-08 8:54 ` Tim Sander
2010-12-08 10:19 ` Russell King - ARM Linux
2010-12-13 11:20 ` Interrupt latencies on i.mx was " Tim Sander
2010-12-07 21:18 ` Ben Dooks
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