From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
Jesse Barnes <jbarnes@virtuousgeek.org>,
"Ronciak, John" <john.ronciak@intel.com>,
"Penner, Miles J" <miles.j.penner@intel.com>,
Bruce Allan <bruce.w.allan@intel.com>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"x86@kernel.org" <x86@kernel.org>
Subject: Re: [PATCH 6/6] x86/PCI: quirk Thunderbolt PCI-to-PCI bridges
Date: Thu, 27 Jun 2013 16:58:19 +0300 [thread overview]
Message-ID: <20130627135819.GX9294@intel.com> (raw)
In-Reply-To: <CAE9FiQW9xuu6WjH59td6Jve10kokoxU4mNqj4DRyg7beqBzHDA@mail.gmail.com>
On Wed, Jun 26, 2013 at 03:26:59PM -0700, Yinghai Lu wrote:
> On Wed, Jun 26, 2013 at 3:18 PM, Bjorn Helgaas <bhelgaas@google.com> wrote:
> > On Tue, Jun 25, 2013 at 10:22 AM, Mika Westerberg
> > <mika.westerberg@linux.intel.com> wrote:
> >> Thunderbolt PCI-to-PCI bridges typically use BIOS "assisted" enumeration.
> >> This means that the BIOS will allocate bridge resources based on some
> >> assumptions of a maximum Thunderbolt chain. It also disables native PCIe
> >> hotplug of the root port where the Thunderbolt host router is connected.
>
> We should not need tricks in this patch after
>
> https://patchwork.kernel.org/patch/2766521/
>
> [2/3] PCI / ACPI: Use boot-time resource allocation rules during hotplug
Unfortunately that patch is not enough :-( We still need to make sure that
we don't add anything to the bridge window sizes like __pci_bus_size_bridges()
is currently doing (e.g similar to pci=hpmemsize=0,hpiosize=0 for the
Thunderbolt bridges).
next prev parent reply other threads:[~2013-06-27 13:54 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-25 16:22 [PATCH 0/6] Thunderbolt workarounds take 2 Mika Westerberg
2013-06-25 16:22 ` [PATCH 1/6] PCI: acpiphp: do not check for SLOT_ENABLED in enable_device() Mika Westerberg
2013-06-26 23:28 ` Bjorn Helgaas
2013-06-27 13:25 ` Kirill A. Shutemov
2013-06-28 9:51 ` Kirill A. Shutemov
2013-06-28 17:00 ` Bjorn Helgaas
2013-06-28 18:54 ` Rafael J. Wysocki
2013-07-01 9:32 ` Mika Westerberg
2013-07-01 14:01 ` Rafael J. Wysocki
2013-07-01 18:36 ` Mika Westerberg
2013-07-02 1:29 ` Rafael J. Wysocki
2013-07-02 16:40 ` Bjorn Helgaas
2013-07-02 20:29 ` Rafael J. Wysocki
2013-07-02 20:31 ` Mika Westerberg
2013-07-02 20:49 ` Rafael J. Wysocki
2013-06-25 16:22 ` [PATCH 2/6] PCI: acpiphp: enable_device(): rescan even if no new devices on slot Mika Westerberg
2013-06-26 23:37 ` Bjorn Helgaas
2013-06-27 13:02 ` Mika Westerberg
2013-06-27 16:32 ` Mika Westerberg
2013-06-27 16:50 ` Bjorn Helgaas
2013-06-27 16:54 ` Bjorn Helgaas
2013-06-27 1:20 ` Yinghai Lu
2013-06-27 13:04 ` Mika Westerberg
2013-06-25 16:22 ` [PATCH 3/6] PCI: introduce pci_trim_stale_devices() Mika Westerberg
2013-06-25 17:47 ` Andy Shevchenko
2013-06-25 17:56 ` Kirill A. Shutemov
2013-06-28 19:59 ` Rafael J. Wysocki
2013-06-25 16:22 ` [PATCH 4/6] PCI: acpiphp: check for new devices on enabled host Mika Westerberg
2013-06-25 18:04 ` Andy Shevchenko
2013-06-26 9:39 ` Kirill A. Shutemov
2013-06-27 19:05 ` Yinghai Lu
2013-06-28 9:33 ` Kirill A. Shutemov
2013-06-28 16:22 ` Yinghai Lu
2013-06-28 20:04 ` Rafael J. Wysocki
2013-06-25 16:22 ` [PATCH 5/6] PCI: acpiphp: look _RMV method a bit deeper in the hierarhcy Mika Westerberg
2013-06-25 18:15 ` Andy Shevchenko
2013-06-25 18:31 ` Mika Westerberg
2013-06-25 18:31 ` Andy Shevchenko
2013-06-25 18:51 ` Mika Westerberg
2013-06-25 19:30 ` Andy Shevchenko
2013-07-02 10:44 ` Kirill A. Shutemov
2013-07-02 17:09 ` Bjorn Helgaas
2013-07-02 17:45 ` Kirill A. Shutemov
2013-07-02 20:48 ` Rafael J. Wysocki
2013-07-02 20:40 ` Rafael J. Wysocki
2013-06-25 16:22 ` [PATCH 6/6] x86/PCI: quirk Thunderbolt PCI-to-PCI bridges Mika Westerberg
2013-06-25 21:15 ` Jesse Barnes
2013-06-26 12:17 ` Mika Westerberg
2013-06-26 15:04 ` Greg Kroah-Hartman
2013-06-26 20:59 ` Bjorn Helgaas
2013-06-26 22:15 ` Alex Williamson
2013-06-27 13:09 ` Mika Westerberg
2013-06-26 22:18 ` Bjorn Helgaas
2013-06-26 22:26 ` Yinghai Lu
2013-06-26 22:31 ` Yinghai Lu
2013-06-26 22:44 ` Rafael J. Wysocki
2013-06-26 22:38 ` Yinghai Lu
2013-06-26 22:55 ` Bjorn Helgaas
2013-06-26 23:56 ` Yinghai Lu
2013-06-27 16:00 ` Bjorn Helgaas
2013-06-27 17:27 ` Yinghai Lu
2013-06-27 13:58 ` Mika Westerberg [this message]
2013-06-27 13:54 ` Mika Westerberg
2013-06-27 16:27 ` Mika Westerberg
2013-06-27 17:18 ` Yinghai Lu
2013-06-25 23:24 ` [PATCH 0/6] Thunderbolt workarounds take 2 Rafael J. Wysocki
2013-06-26 7:25 ` Mika Westerberg
2013-06-26 12:45 ` Rafael J. Wysocki
2013-06-26 19:48 ` Bjorn Helgaas
2013-06-26 20:01 ` Rafael J. Wysocki
2013-06-26 19:55 ` Bjorn Helgaas
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