From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>,
Mario Limonciello <Mario.Limonciello@dell.com>,
Michael Jamet <michael.jamet@intel.com>,
Yehezkel Bernat <yehezkel.bernat@intel.com>,
Linux PCI <linux-pci@vger.kernel.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>
Subject: Re: [PATCH 1/5] PCI: Make sure all bridges reserve at least one bus number
Date: Wed, 14 Feb 2018 11:47:32 +0200 [thread overview]
Message-ID: <20180214094732.GJ27191@lahna.fi.intel.com> (raw)
In-Reply-To: <CAJZ5v0h7okRkBsNmSkLQ9AOZ_zPk5G0vbu=hKxwm2vjEthvxOA@mail.gmail.com>
On Tue, Feb 13, 2018 at 06:43:00PM +0100, Rafael J. Wysocki wrote:
> On Tue, Feb 13, 2018 at 5:31 PM, Mika Westerberg
> <mika.westerberg@linux.intel.com> wrote:
> > When distributing extra buses between hotplug bridges we need to make
> > sure each bridge reserve at least one bus number, even if there is
> > currently nothing connected to it. For instance ACPI hotplug may bring
> > in additional devices to non-hotplug bridges later on. To make sure we
> > don't run out of bus numbers for non-hotplug bridges reserve one bus
> > number for them upfront before distributing buses for hotplug bridges.
> >
> > Fixes: 1c02ea810065 ("PCI: Distribute available buses to hotplug-capable bridges")
> > Reported-by: Mario Limonciello <mario.limonciello@dell.com>
> > Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
> > Cc: stable@vger.kernel.org
>
> Just a few notation-related nits below.
Thanks for the comments! I'll update the patch accordingly.
next prev parent reply other threads:[~2018-02-14 9:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-13 16:31 [PATCH 0/5] PCI: Fixes for native PCIe and ACPI hotplug Mika Westerberg
2018-02-13 16:31 ` [PATCH 1/5] PCI: Make sure all bridges reserve at least one bus number Mika Westerberg
2018-02-13 17:43 ` Rafael J. Wysocki
2018-02-14 9:47 ` Mika Westerberg [this message]
2018-02-13 16:31 ` [PATCH 2/5] PCI: Take bridge window alignment into account when distributing resources Mika Westerberg
2018-02-13 17:45 ` Rafael J. Wysocki
2018-02-13 16:31 ` [PATCH 3/5] PCI: pciehp: Clear Presence Detect and Data Link Layer Status Changed on resume Mika Westerberg
2018-02-13 17:46 ` Rafael J. Wysocki
2018-02-13 16:31 ` [PATCH 4/5] ACPI / hotplug / PCI: Do not scan all bridges when native PCIe hotplug is used Mika Westerberg
2018-02-13 17:51 ` Rafael J. Wysocki
2018-02-13 16:32 ` [PATCH 5/5] ACPI / hotplug / PCI: Mark stale PCI devices disconnected Mika Westerberg
2018-02-13 17:51 ` Rafael J. Wysocki
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