From: "Marcin Ślusarz" <marcin.slusarz@gmail.com>
To: "Thomas Gleixner" <tglx@linutronix.de>
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
"Linus Torvalds" <torvalds@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
"Ingo Molnar" <mingo@elte.hu>, "Stable Team" <stable@kernel.org>,
"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
"Jean-Baptiste Vignaud" <vignaud@xandmail.fr>,
"Jarek Poplawski" <jarkao2@o2.pl>
Subject: Re: [patch 0/3] [patch 0/3] genirq: Suppress resend of level interrupts
Date: Tue, 14 Aug 2007 09:08:59 +0200 [thread overview]
Message-ID: <4bacf17f0708140008v657f5d5bqec17fcea67a6f69c@mail.gmail.com> (raw)
In-Reply-To: <20070812152213.551812576@inhelltoy.tec.linutronix.de>
2007/8/12, Thomas Gleixner <tglx@linutronix.de>:
> The delayed irq disable functionality introduced a bug due to
> retriggering level type interrupts in case of the delayed disable. The
> resulting problem was discussed and debugged here:
> http://marc.info/?l=linux-kernel&m=118202978609968&w=2
>
> The resend of a level type interrupt is unnessecary and adds extra
> noise to the system. Level type interrupts are resent by hardware when
> they are still active at irq_enable(). The hard-/soft-ware resend is
> only useful for edge type interrupts.
>
> The following patch series addresses the problem and fixes an
> unnoticed mismerge which affects the same area as well.
>
> tglx
>
Works fine for me (tested on 2.6.22.1). I uploaded 6 GB of data and my
network card didn't time out. (it usually did after 1-100 MB)
Is this the final version?
Regards,
Marcin Slusarz
prev parent reply other threads:[~2007-08-14 7:09 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-12 15:46 Thomas Gleixner
2007-08-12 15:46 ` [patch 1/3] genirq: cleanup mismerge artifact Thomas Gleixner
2007-08-12 15:46 ` [patch 2/3] genirq: suppress resend of level interrupts Thomas Gleixner
2007-08-12 15:46 ` [patch 3/3] genirq: mark io_apic level interrupts to avoid resend Thomas Gleixner
2007-08-13 11:28 ` Jarek Poplawski
2007-08-13 12:07 ` Thomas Gleixner
2007-08-13 13:53 ` Jarek Poplawski
2007-08-13 14:16 ` Jarek Poplawski
2007-08-13 16:30 ` Thomas Gleixner
2007-08-14 7:12 ` Jarek Poplawski
2007-08-14 8:10 ` Thomas Gleixner
2007-08-14 9:23 ` Jarek Poplawski
2007-08-13 19:07 ` Benjamin Herrenschmidt
2007-08-14 8:01 ` Jarek Poplawski
2007-08-13 18:42 ` Benjamin Herrenschmidt
2007-08-14 7:08 ` Marcin Ślusarz [this message]
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