From: Scott Wood <scottwood@freescale.com>
To: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] qe_ic: Do a sync when masking interrupts.
Date: Mon, 23 Oct 2006 10:29:30 -0500 [thread overview]
Message-ID: <453CDFDA.6090104@freescale.com> (raw)
In-Reply-To: <453CDD70.9010100@freescale.com>
Scott Wood wrote:
> Note that many/most interrupt controller drivers don't even do that
> much; they just have more fortuitous timing than the QE (and/or the
> spurious interrupt is non-cascaded, and thus gets caught in
> handle_level_irq and doesn't increment the spurious interrupt count).
Ignore that last bit about non-cascaded interrupts; if it makes a
difference at all, it's because of added delays (getting back to the
fortuitous timing thing).
-Scott
next prev parent reply other threads:[~2006-10-23 15:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-19 18:03 [PATCH] qe_ic: Do a sync when masking interrupts Scott Wood
2006-10-20 3:03 ` Li Yang-r58472
2006-10-23 3:59 ` Paul Mackerras
2006-10-23 9:35 ` Li Yang-r58472
2006-10-23 15:19 ` Scott Wood
2006-10-23 15:29 ` Scott Wood [this message]
2006-10-23 17:52 ` Kumar Gala
2006-10-23 18:22 ` Scott Wood
-- strict thread matches above, loose matches on Subject: below --
2006-10-23 15:30 Michael R. Zucca
2006-10-23 16:49 ` Segher Boessenkool
2006-10-23 18:27 ` Scott Wood
2006-10-23 18:46 ` Segher Boessenkool
2006-10-24 7:17 ` Li Yang-r58472
2006-10-25 3:51 ` Benjamin Herrenschmidt
2006-10-25 4:47 ` Liu Dave-r63238
2006-10-23 18:53 Scott Wood
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