From: Francois Romieu <romieu@cogenit.fr>
To: Andrew McNamara <andrewm@connect.com.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: how to tell Linux *not* to share IRQs ?
Date: Thu, 26 Jul 2001 09:54:40 +0200 [thread overview]
Message-ID: <20010726095440.A27365@se1.cogenit.fr> (raw)
In-Reply-To: <E15PYDE-0002tj-00@the-village.bc.nu> <20010726070621.D69A1BE91@wawura.off.connect.com.au>
In-Reply-To: <20010726070621.D69A1BE91@wawura.off.connect.com.au>; from andrewm@connect.com.au on Thu, Jul 26, 2001 at 05:06:21PM +1000
Andrew McNamara <andrewm@connect.com.au> ecrit :
[...]
> Does this mean the ISRs for every driver sharing an interrupt have to
> poll their device when an interrupt comes in (in the case of shared PCI
The ISR must verify there is some pending work for him.
Thus one must poll the device or his interrupt status queue in memory if
any. Btw one may end doing the work before the real interrupt comes.
--
Ueimor
next prev parent reply other threads:[~2001-07-26 7:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-25 23:23 how to tell Linux *not* to share IRQs ? Scott McDermott
2001-07-25 23:37 ` Alan Cox
2001-07-26 7:06 ` Andrew McNamara
2001-07-26 7:39 ` Chris Wedgwood
2001-08-07 15:09 ` Jes Sorensen
2001-08-08 0:05 ` Andrew McNamara
2001-08-08 11:14 ` Eric W. Biederman
2001-08-08 17:13 ` Mark H. Wood
2001-07-26 7:54 ` Francois Romieu [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-08-08 19:03 Per Jessen
2001-08-08 19:19 ` Chris Meadors
2001-11-06 23:17 ` H. Peter Anvin
2001-08-09 14:27 ` Andreas Bombe
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