From: Bjorn Helgaas <helgaas@kernel.org>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>,
Lukas Wunner <lukas@wunner.de>,
LKML <linux-kernel@vger.kernel.org>,
Linux ACPI <linux-acpi@vger.kernel.org>,
Linux PCI <linux-pci@vger.kernel.org>,
Linux PM <linux-pm@vger.kernel.org>,
Mika Westerberg <mika.westerberg@linux.intel.com>
Subject: Re: [PATCH v1 0/2] PCI: hotplug: Add checks to avoid doing hotplug on PCIe Upstream Ports
Date: Tue, 22 Nov 2022 12:06:03 -0600 [thread overview]
Message-ID: <20221122180603.GA205176@bhelgaas> (raw)
In-Reply-To: <5623410.DvuYhMxLoT@kreacher>
On Mon, Nov 21, 2022 at 07:13:15PM +0100, Rafael J. Wysocki wrote:
> Hi All,
>
> PCIe Upstream Ports are not hotplug-capable by definition, but it turns out
> that in some cases, if the system is configured in a particularly interesting
> way, the kernel may be made attempt to operate an Upstream Port as a hotplug
> one which causes functional issues to appear.
>
> The following 2 patches amend the code to prevent this behavior from occurring.
Thanks, applied to pci/hotplug for v6.2. Lukas, I didn't presume to
convert your LGTM to Reviewed-by, but would be happy add it.
Bjorn
next prev parent reply other threads:[~2022-11-22 18:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-21 18:13 [PATCH v1 0/2] PCI: hotplug: Add checks to avoid doing hotplug on PCIe Upstream Ports Rafael J. Wysocki
2022-11-21 18:15 ` [PATCH v1 1/2] PCI/portdrv: Set PCIE_PORT_SERVICE_HP for Root and Downstream Ports only Rafael J. Wysocki
2022-11-21 18:16 ` [PATCH v1 2/2] ACPI: PCI: hotplug: Avoid setting is_hotplug_bridge for PCIe Upstream Ports Rafael J. Wysocki
2022-11-21 18:48 ` Rodrigo Vivi
2022-11-22 8:04 ` [PATCH v1 0/2] PCI: hotplug: Add checks to avoid doing hotplug on " Lukas Wunner
2022-11-22 18:06 ` Bjorn Helgaas [this message]
2022-11-22 18:34 ` Lukas Wunner
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