From: Sasha Levin <sashal@kernel.org>
To: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Cc: patches@lists.linux.dev, stable@vger.kernel.org,
Bjorn Helgaas <bhelgaas@google.com>,
linux-pci@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 6.17-6.12] PCI: Set up bridge resources earlier
Date: Tue, 4 Nov 2025 08:51:46 -0500 [thread overview]
Message-ID: <aQoE8hB29pu1WMbh@laps> (raw)
In-Reply-To: <4b5020d1-51c1-a556-175b-a4c4e1995c61@linux.intel.com>
On Mon, Oct 27, 2025 at 02:39:27PM +0200, Ilpo Järvinen wrote:
>On Sat, 25 Oct 2025, Sasha Levin wrote:
>
>> From: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
>>
>> [ Upstream commit a43ac325c7cbbfe72bdf9178059b3ee9f5a2c7dd ]
>>
>> Bridge windows are read twice from PCI Config Space, the first time from
>> pci_read_bridge_windows(), which does not set up the device's resources.
>> This causes problems down the road as child resources of the bridge cannot
>> check whether they reside within the bridge window or not.
>>
>> Set up the bridge windows already in pci_read_bridge_windows().
>>
>> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
>> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
>> Link: https://patch.msgid.link/20250924134228.1663-2-ilpo.jarvinen@linux.intel.com
>> Signed-off-by: Sasha Levin <sashal@kernel.org>
>
>This change was reverted by the commit 469276c06aff ("PCI: Revert early
>bridge resource set up").
Dropped, thanks!
--
Thanks,
Sasha
next prev parent reply other threads:[~2025-11-04 13:51 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20251025160905.3857885-1-sashal@kernel.org>
2025-10-25 15:54 ` [PATCH AUTOSEL 6.17] selftests: pci_endpoint: Skip IRQ test if IRQ is out of range Sasha Levin
2025-10-25 15:54 ` [PATCH AUTOSEL 6.17-6.12] PCI: imx6: Enable the Vaux supply if available Sasha Levin
2025-10-25 15:55 ` [PATCH AUTOSEL 6.17-6.12] PCI: Set up bridge resources earlier Sasha Levin
2025-10-27 12:39 ` Ilpo Järvinen
2025-11-04 13:51 ` Sasha Levin [this message]
2025-10-25 15:55 ` [PATCH AUTOSEL 6.17-6.1] s390/pci: Use pci_uevent_ers() in PCI recovery Sasha Levin
2025-10-25 15:56 ` [PATCH AUTOSEL 6.17-5.4] PCI: Disable MSI on RDC PCI to PCIe bridges Sasha Levin
2025-10-25 15:56 ` [PATCH AUTOSEL 6.17-6.1] PCI/PM: Skip resuming to D0 if device is disconnected Sasha Levin
2025-10-25 15:58 ` [PATCH AUTOSEL 6.17-5.4] PCI/P2PDMA: Fix incorrect pointer usage in devm_kfree() call Sasha Levin
2025-10-25 15:58 ` [PATCH AUTOSEL 6.17] misc: pci_endpoint_test: Skip IRQ tests if irq is out of range Sasha Levin
2025-10-25 15:58 ` [PATCH AUTOSEL 6.17-5.15] thunderbolt: Use is_pciehp instead of is_hotplug_bridge Sasha Levin
2025-10-25 15:59 ` [PATCH AUTOSEL 6.17-5.10] PCI: cadence: Check for the existence of cdns_pcie::ops before using it Sasha Levin
2025-10-25 16:01 ` [PATCH AUTOSEL 6.17-6.6] PCI: dwc: Verify the single eDMA IRQ in dw_pcie_edma_irq_verify() Sasha Levin
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