From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Jamie Lokier <jamie@shareable.org>
Cc: Robert_Hentosh@Dell.com, linux-kernel@vger.kernel.org
Subject: Re: spurious 8259A interrupt
Date: Fri, 19 Mar 2004 13:16:08 +0000 [thread overview]
Message-ID: <20040319131608.A14431@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20040319130609.GE2650@mail.shareable.org>; from jamie@shareable.org on Fri, Mar 19, 2004 at 01:06:10PM +0000
On Fri, Mar 19, 2004 at 01:06:10PM +0000, Jamie Lokier wrote:
> For those rare occasions when an interrupt handler wants to re-enable
> interrupts (sti), _then_ it could mask the interrupt that called the handler.
Interrupt handlers generally run with the CPU interrupt disable flag
cleared, so other interrupts can be serviced.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/
2.6 Serial core
next prev parent reply other threads:[~2004-03-19 13:16 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-16 20:32 spurious 8259A interrupt Robert_Hentosh
2004-03-19 13:06 ` Jamie Lokier
2004-03-19 13:16 ` Russell King [this message]
2004-03-19 13:39 ` Jamie Lokier
2004-03-19 14:04 ` Anton Blanchard
2004-03-19 14:56 ` Jamie Lokier
2004-03-19 13:48 ` Richard B. Johnson
2004-03-19 14:39 ` Jamie Lokier
2004-03-21 17:58 ` Hans-Peter Jansen
2004-03-22 9:12 ` Maciej W. Rozycki
2004-03-22 12:29 ` Richard B. Johnson
2004-03-24 15:28 ` Jamie Lokier
2004-03-24 15:50 ` Gabriel Paubert
2004-03-24 15:57 ` Richard B. Johnson
2004-03-19 13:28 ` Maciej W. Rozycki
2004-03-19 22:01 ` Guennadi Liakhovetski
2004-03-22 9:02 ` Maciej W. Rozycki
2004-03-22 21:16 ` Guennadi Liakhovetski
2004-03-22 22:13 ` Richard B. Johnson
2004-03-22 23:09 ` Guennadi Liakhovetski
2004-03-22 23:38 ` Richard B. Johnson
2004-03-23 10:32 ` Maciej W. Rozycki
2004-03-23 10:42 ` Maciej W. Rozycki
2004-03-23 21:10 ` Guennadi Liakhovetski
2004-03-23 10:29 ` Maciej W. Rozycki
2004-03-23 10:26 ` Maciej W. Rozycki
-- strict thread matches above, loose matches on Subject: below --
2004-03-16 18:35 Emmanuel Fleury
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