From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Gavin Shan <shangw@linux.vnet.ibm.com>
Cc: Yinghai Lu <yinghai@kernel.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>
Subject: Re: Resource assignment oddities
Date: Mon, 06 May 2013 20:48:31 +1000 [thread overview]
Message-ID: <1367837311.15842.31.camel@pasglop> (raw)
In-Reply-To: <20130506103159.GA16927@shangw.(null)>
On Mon, 2013-05-06 at 18:31 +0800, Gavin Shan wrote:
> The possible (temporary) fix would be checking "local_fail_head" in function
> __assign_resources_sorted() and don't do reassignment if all the element in
> the list is IO related. In the future, we might introduce specific flag to
> indicate the PCI host can't support IO and skip all IO assignment accordingly.
Yinghai, what's the best we can do for 3.10 ? This kernel will go to enterprise
distros I'm told and that's a pretty nasty problem for some of our machines
that don't do IO.
Cheers,
Ben.
next prev parent reply other threads:[~2013-05-06 10:48 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-05 0:10 Resource assignment oddities Benjamin Herrenschmidt
2013-05-05 0:15 ` Benjamin Herrenschmidt
2013-05-05 5:18 ` Yinghai Lu
2013-05-05 5:34 ` Benjamin Herrenschmidt
2013-05-05 7:09 ` Yinghai Lu
2013-05-05 7:52 ` Benjamin Herrenschmidt
[not found] ` <51871088.4594420a.0ccc.7300SMTPIN_ADDED_BROKEN@mx.google.com>
2013-05-06 3:04 ` Yinghai Lu
[not found] ` <20130506103159.GA16927@shangw.(null)>
2013-05-06 10:48 ` Benjamin Herrenschmidt [this message]
2013-05-06 19:56 ` Yinghai Lu
[not found] ` <5188b791.a110420a.0bea.077eSMTPIN_ADDED_BROKEN@mx.google.com>
2013-05-07 22:21 ` Yinghai Lu
[not found] ` <5189c22b.45f7440a.0a88.6b75SMTPIN_ADDED_BROKEN@mx.google.com>
2013-05-08 3:42 ` Yinghai Lu
2013-05-17 5:36 ` Benjamin Herrenschmidt
2013-05-21 17:28 ` Bjorn Helgaas
2013-05-21 17:39 ` Yinghai Lu
2013-05-21 22:01 ` Benjamin Herrenschmidt
2013-05-06 23:15 ` [PATCH 1/2] PCI: Split pci_assign_unassigned_resources to per root bus Yinghai Lu
2013-05-06 23:15 ` [PATCH 2/2] PCI: Skip IORESOURCE_IO size and allocation for root bus without ioport range Yinghai Lu
2013-05-07 0:50 ` [PATCH 1/2] PCI: Split pci_assign_unassigned_resources to per root bus Benjamin Herrenschmidt
[not found] ` <51885a04.c181440a.37c9.ffffa88eSMTPIN_ADDED_BROKEN@mx.google.com>
2013-05-07 7:34 ` Yinghai Lu
2013-05-21 20:41 ` Bjorn Helgaas
2013-05-07 22:17 ` [PATCH v3 0/5] PCI: Skip resource allocation for root bus without conresponding type resource Yinghai Lu
2013-05-07 22:17 ` [PATCH v3 1/5] PCI: Split pci_assign_unassigned_resources to per root bus Yinghai Lu
2013-05-07 22:17 ` [PATCH v3 2/5] PCI: Skip IORESOURCE_IO allocation for root bus without ioport range Yinghai Lu
2013-05-07 22:17 ` [PATCH v3 3/5] PCI: Skip IORESOURCE_MMIO allocation for root bus without MMIO range Yinghai Lu
2013-05-07 22:28 ` Benjamin Herrenschmidt
2013-05-07 22:44 ` Yinghai Lu
2013-05-08 1:16 ` Benjamin Herrenschmidt
2013-05-08 3:57 ` Yinghai Lu
2013-05-07 22:17 ` [PATCH v3 4/5] PCI: Enable pci bridge when it is needed Yinghai Lu
2013-05-07 22:17 ` [PATCH v3 5/5] PCI: Retry assign unassigned resources for hotadd root bus Yinghai Lu
2013-05-22 6:38 ` [PATCH v4 0/8] PCI: Skip resource allocation for root bus without conresponding type resource Yinghai Lu
2013-05-22 6:38 ` [PATCH v4 1/8] PCI: Don't use temp bus for pci_bus_release_bridge_resources Yinghai Lu
2013-05-22 6:38 ` [PATCH v4 2/8] PCI: Use pci_walk_bus to detect unassigned resources Yinghai Lu
2013-05-22 6:38 ` [PATCH v4 3/8] PCI: Introduce enable_local to prepare per root bus handling Yinghai Lu
2013-05-22 6:38 ` [PATCH v4 4/8] PCI: Split pci_assign_unassigned_resources to per root bus Yinghai Lu
2013-05-22 6:38 ` [PATCH v4 5/8] PCI: Skip IORESOURCE_IO allocation for root bus without ioport range Yinghai Lu
2013-05-22 6:38 ` [PATCH v4 6/8] PCI: Skip IORESOURCE_MMIO allocation for root bus without MMIO range Yinghai Lu
2013-05-22 6:38 ` [PATCH v4 7/8] PCI: Enable pci bridge when it is needed Yinghai Lu
2013-05-22 6:38 ` [PATCH v4 8/8] PCI: Retry assign unassigned resources for hotadd root bus Yinghai Lu
2013-06-01 6:03 ` [PATCH v5 0/7] PCI: Change assign unassigned resources per root bus bassis Yinghai Lu
2013-06-01 6:03 ` [PATCH v5 2/7] PCI: Don't use temp bus for pci_bus_release_bridge_resources Yinghai Lu
2013-06-01 6:03 ` [PATCH v5 3/7] PCI: Use pci_walk_bus to detect unassigned resources Yinghai Lu
2013-06-25 21:15 ` Bjorn Helgaas
2013-06-25 21:38 ` Benjamin Herrenschmidt
2013-06-25 21:46 ` Bjorn Helgaas
2013-06-26 8:07 ` Yinghai Lu
2013-06-26 7:38 ` Yinghai Lu
2013-06-01 6:03 ` [PATCH v5 4/7] PCI: Introduce enable_local to prepare per root bus handling Yinghai Lu
2013-06-01 6:03 ` [PATCH v5 5/7] PCI: Split pci_assign_unassigned_resources to per root bus Yinghai Lu
2013-06-01 6:03 ` [PATCH v5 6/7] PCI: Enable pci bridge when it is needed Yinghai Lu
2013-06-01 6:03 ` [PATCH v5 7/7] PCI: Retry assign unassigned resources for hotadd root bus Yinghai Lu
2013-06-01 6:03 ` [PATCH v5 1/7] PCI: Don't let mmio fallback to must-only, if ioport fails with must+optional Yinghai Lu
2013-06-22 3:00 ` [PATCH v5 0/7] PCI: Change assign unassigned resources per root bus bassis Yinghai Lu
[not found] ` <518786a7.64bbec0a.58a0.1f6bSMTPIN_ADDED_BROKEN@mx.google.com>
2013-05-22 14:54 ` Resource assignment oddities Bjorn Helgaas
2013-05-22 16:59 ` Yinghai Lu
2013-05-22 17:21 ` Bjorn Helgaas
2013-05-22 20:44 ` Benjamin Herrenschmidt
2013-05-22 21:01 ` Yinghai Lu
2013-05-22 20:43 ` Benjamin Herrenschmidt
2013-05-22 21:00 ` Yinghai Lu
2013-05-22 21:13 ` Benjamin Herrenschmidt
2013-05-22 20:50 ` Yinghai Lu
[not found] ` <519dcfbe.89e9420a.4934.488bSMTPIN_ADDED_BROKEN@mx.google.com>
2013-05-23 17:08 ` Yinghai Lu
2013-05-23 17:12 ` Bjorn Helgaas
2013-05-23 17:17 ` Yinghai Lu
2013-05-23 19:47 ` Bjorn Helgaas
2013-05-23 21:00 ` Yinghai Lu
2013-05-23 21:23 ` Benjamin Herrenschmidt
2013-05-23 22:16 ` Yinghai Lu
2013-05-24 15:59 ` Bjorn Helgaas
2013-05-24 16:33 ` Benjamin Herrenschmidt
2013-05-24 16:34 ` Yinghai Lu
2013-05-23 17:11 ` [PATCH] PCI: Don't let mmio fallback to must-only, if ioport fails with must+optional Yinghai Lu
2013-05-24 17:25 ` Bjorn Helgaas
2013-05-24 23:31 ` [PATCH v3] " Yinghai Lu
2013-05-24 23:34 ` [PATCH] " Yinghai Lu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1367837311.15842.31.camel@pasglop \
--to=benh@kernel.crashing.org \
--cc=bhelgaas@google.com \
--cc=linux-pci@vger.kernel.org \
--cc=shangw@linux.vnet.ibm.com \
--cc=yinghai@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.