From: Jeff Garzik <jgarzik@pobox.com>
To: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Cc: Allen Martin <AMartin@nvidia.com>,
linux-kernel@vger.kernel.org,
Ross Dickson <ross@datscreative.com.au>,
Len Brown <len.brown@intel.com>
Subject: Re: IO-APIC on nforce2 [PATCH] + [PATCH] for nmi_debug=1 + [PATCH] for idle=C1halt, 2.6.5
Date: Tue, 04 May 2004 17:10:30 -0400 [thread overview]
Message-ID: <409806C6.3060300@pobox.com> (raw)
In-Reply-To: <200405040111.01514.bzolnier@elka.pw.edu.pl>
Bartlomiej Zolnierkiewicz wrote:
> +/*
> + * Fixup for C1 Halt Disconnect problem on nForce2 systems.
> + *
> + * From information provided by "Allen Martin" <AMartin@nvidia.com>:
> + *
> + * A hang is caused when the CPU generates a very fast CONNECT/HALT cycle
> + * sequence. Workaround is to set the SYSTEM_IDLE_TIMEOUT to 80 ns.
> + * This allows the state-machine and timer to return to a proper state within
> + * 80 ns of the CONNECT and probe appearing together. Since the CPU will not
> + * issue another HALT within 80 ns of the initial HALT, the failure condition
> + * is avoided.
> + */
> +static void __devinit pci_fixup_nforce2(struct pci_dev *dev)
Minor nit: is __devinit really needed?
You're changing a northbridge or a southbridge, not a PCI card, I
presume...? That would only need to be done once, when the kernel is
booted, regardless of CONFIG_HOTPLUG AFAICS.
Jeff
next prev parent reply other threads:[~2004-05-04 21:12 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-03 22:09 Allen Martin
2004-05-03 23:11 ` Bartlomiej Zolnierkiewicz
2004-05-04 8:28 ` Prakash K. Cheemplavam
2004-05-04 21:10 ` Jeff Garzik [this message]
2004-05-04 21:29 ` Bartlomiej Zolnierkiewicz
2004-05-05 12:14 ` Ross Dickson
2004-05-05 12:27 ` Ian Kumlien
2004-05-05 13:12 ` Ross Dickson
2004-05-05 13:23 ` Ian Kumlien
2004-05-05 12:58 ` Maciej W. Rozycki
2004-05-05 12:48 ` Patrick Dreker
2004-05-05 13:34 ` Patrick Dreker
2004-05-05 11:24 ` Ross Dickson
2004-05-05 12:18 ` Ian Kumlien
2004-05-05 12:52 ` Ross Dickson
2004-05-05 13:08 ` Ian Kumlien
2004-05-06 1:50 ` Jesse Allen
-- strict thread matches above, loose matches on Subject: below --
2004-05-04 20:38 Jesse Allen
2004-05-04 21:14 ` Craig Bradney
2004-05-03 8:08 Allen Martin
2004-04-23 1:30 Jesse Allen
2004-05-07 4:47 ` Richard James
2004-05-07 7:13 ` Craig Bradney
2004-05-08 5:33 ` Richard James
[not found] <1KkKQ-2v9-9@gated-at.bofh.it>
[not found] ` <1Kqdx-6E1-5@gated-at.bofh.it>
[not found] ` <1KH4I-3W9-11@gated-at.bofh.it>
[not found] ` <1LgOQ-7px-3@gated-at.bofh.it>
[not found] ` <1LlEY-36q-11@gated-at.bofh.it>
2004-04-15 23:07 ` Andi Kleen
2004-04-21 22:00 ` Len Brown
2004-04-13 1:17 IO-APIC on nforce2 Ross Dickson
2004-04-13 7:03 ` Ross Dickson
2004-04-14 1:02 ` IO-APIC on nforce2 [PATCH] Len Brown
2004-04-15 15:10 ` IO-APIC on nforce2 [PATCH] + [PATCH] for nmi_debug=1 + [PATCH] for idle=C1halt, 2.6.5 Ross Dickson
2004-04-15 20:17 ` Len Brown
2004-04-15 21:04 ` Craig Bradney
2004-04-21 20:22 ` Len Brown
2004-04-21 20:33 ` Ian Kumlien
2004-04-21 20:45 ` Craig Bradney
2004-04-21 21:28 ` Prakash K. Cheemplavam
2004-04-21 22:41 ` Len Brown
2004-04-22 7:26 ` Prakash K. Cheemplavam
2004-04-22 14:58 ` Len Brown
2004-04-22 8:45 ` Craig Bradney
2004-04-22 15:03 ` Len Brown
2004-04-22 20:50 ` Craig Bradney
2004-04-22 8:50 ` Arjen Verweij
2004-04-22 16:39 ` Jesse Allen
2004-04-22 17:21 ` Len Brown
2004-04-22 21:29 ` Len Brown
2004-04-23 8:48 ` Prakash K. Cheemplavam
2004-04-23 9:01 ` Arjen Verweij
2004-04-23 9:08 ` Prakash K. Cheemplavam
2004-04-23 9:11 ` Prakash K. Cheemplavam
2004-04-23 12:18 ` Maciej W. Rozycki
2004-04-26 11:41 ` Ross Dickson
2004-04-27 17:02 ` Arjen Verweij
2004-04-27 17:35 ` Ian Kumlien
2004-04-27 18:00 ` Len Brown
2004-04-27 18:24 ` Arjen Verweij
2004-04-27 18:51 ` Jussi Laako
2004-04-28 11:33 ` Ross Dickson
2004-04-28 20:59 ` Jesse Allen
2004-04-29 11:44 ` Ross Dickson
2004-04-29 11:54 ` Maciej W. Rozycki
2004-04-29 12:00 ` Jamie Lokier
2004-04-29 12:26 ` Maciej W. Rozycki
2004-04-29 11:57 ` Jamie Lokier
2004-04-29 12:16 ` Craig Bradney
2004-04-29 20:24 ` Jesse Allen
2004-04-29 20:31 ` Prakash K. Cheemplavam
2004-05-03 20:45 ` Jesse Allen
2004-05-17 15:26 ` Prakash K. Cheemplavam
2004-05-17 19:32 ` Craig Bradney
2004-05-17 19:37 ` Prakash K. Cheemplavam
2004-05-17 19:57 ` Craig Bradney
2004-04-27 21:31 ` Prakash K. Cheemplavam
2004-04-28 11:26 ` Prakash K. Cheemplavam
2004-05-01 6:51 ` Prakash K. Cheemplavam
2004-04-15 21:56 ` Arjen Verweij
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