linux-kernel - Re: PCI Interrupt

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <200709191432.12831.rjw@sisk.pl>
Date:	Wed, 19 Sep 2007 14:32:12 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Jarek Poplawski <jarkao2@...pl>
Cc:	"linux-os \(Dick Johnson\)" <linux-os@...logic.com>,
	Duncan.Perrett@...kta.com,
	Linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: PCI Interrupt

On Wednesday, 19 September 2007 12:14, Jarek Poplawski wrote:
> On 18-09-2007 16:42, Rafael J. Wysocki wrote:
> ...
> > 
> > Hm, edge-triggered interrupts cannot be shared, AFAIK.
> > 
> 
> Let's agree it's only a superstition...
> 
> http://en.wikipedia.org/wiki/Edge_triggered_interrupt

Well, if this is an MSI (which is edge-triggered), for example, it cannot be
shared.

Also, you must use a level-triggered interrupt for SCI, because that has to be
shareable.

Greetings,
Rafael
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/