From: Jeff Garzik <jgarzik@pobox.com>
To: Zwane Mwaikambo <zwane@linuxpower.ca>
Cc: "Nguyen, Tom L" <tom.l.nguyen@intel.com>,
"Nakajima, Jun" <jun.nakajima@intel.com>,
linux-kernel@vger.kernel.org, "Saxena,
Sunil" <sunil.saxena@intel.com>,
"Mallick, Asit K" <asit.k.mallick@intel.com>,
"Carbonari, Steven" <steven.carbonari@intel.com>
Subject: Re: RFC Proposal to enable MSI support in Linux kernel
Date: Wed, 28 May 2003 19:45:40 -0400 [thread overview]
Message-ID: <3ED54A24.5010102@pobox.com> (raw)
In-Reply-To: <Pine.LNX.4.50.0305281854180.4964-100000@montezuma.mastecende.com>
Zwane Mwaikambo wrote:
> On Wed, 28 May 2003, Jeff Garzik wrote:
>>A bigger question though: if platform_legacy_irq() returns zero, will
>>the handler _ever_ be edge-triggered?
>
>
> Good question, i wouldn't think so, that would collapse that section into
> two lines.
Have you ever seen an edge-triggered interrupt on x86 that would fail
the current platform_legacy_irq test? For what cases does that happen?
The legacy interrupts on the boxes I poked at are edge triggered, but
I do not know enough to say if that is a general rule.
Jeff
next prev parent reply other threads:[~2003-05-28 23:32 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-19 21:22 RFC Proposal to enable MSI support in Linux kernel Nguyen, Tom L
2003-05-20 10:36 ` Martin Schlemmer
2003-05-20 18:49 ` Zwane Mwaikambo
2003-05-28 22:22 ` Zwane Mwaikambo
2003-05-28 23:01 ` Jeff Garzik
2003-05-28 23:06 ` Zwane Mwaikambo
2003-05-28 23:45 ` Jeff Garzik [this message]
2003-05-28 23:50 ` Zwane Mwaikambo
-- strict thread matches above, loose matches on Subject: below --
2003-05-30 14:56 Nicolas Mailhot
2003-05-31 2:29 ` William Lee Irwin III
2003-05-31 7:13 ` Zwane Mwaikambo
2003-05-31 7:28 ` Zwane Mwaikambo
2003-05-30 2:14 Nakajima, Jun
2003-05-29 18:12 Nguyen, Tom L
2003-05-29 21:55 ` Zwane Mwaikambo
2003-05-20 19:03 Nguyen, Tom L
2003-05-19 21:46 Nguyen, Tom L
2003-05-14 20:43 Nakajima, Jun
2003-05-14 19:57 Nakajima, Jun
2003-05-14 19:54 ` Zwane Mwaikambo
2003-05-14 18:51 Nguyen, Tom L
2003-05-14 15:41 Nguyen, Tom L
2003-05-14 15:22 Nguyen, Tom L
2003-05-14 17:44 ` Greg KH
2003-05-14 18:58 ` Zwane Mwaikambo
2003-05-14 19:06 ` Zwane Mwaikambo
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