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From: sashiko-bot@kernel.org
To: "Kuppuswamy Sathyanarayanan"
	<sathyanarayanan.kuppuswamy@linux.intel.com>
Cc: linux-pci@vger.kernel.org
Subject: Re: [PATCH v14 3/4] PCI/ACPI: Centralize pcie_ports_native checking
Date: Tue, 22 Sep 2026 20:56:01 +0000	[thread overview]
Message-ID: <20260922205601.EC72F1F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20260922204548.3884906-4-sathyanarayanan.kuppuswamy@linux.intel.com>

> If the user booted with "pcie_ports=native", we take control of the PCIe
> port services unconditionally, regardless of what _OSC says.
> 
> Centralize the testing of pcie_ports_native in acpi_pci_root_create(),
> where we interpret the _OSC results, so other places only have to check
> host_bridge->native_X and we don't have to sprinkle tests of
> pcie_ports_native everywhere.
> 
> Rather than overriding the host_bridge->native_X flags after the fact,
> fold "pcie_ports=native" into the _OSC control mask we evaluate, i.e.,
> proceed as though the platform had granted control of the port services.
> That way there is a single mechanism deciding each native_X flag, and we
> can report exactly which features we are overriding _OSC for instead of
> just noting that we are overriding something:
> 
> [ ... ]
> Closes: https://lore.kernel.org/linux-pci/20260901064554.2178688-1-kanie@linux.alibaba.com/
> [bhelgaas: commit log, rework OSC_PCIE_PORT_SERVICE_CONTROLS, logging]
> Link: https://lore.kernel.org/r/bc87c9e675118960949043a832bed86bc22becbd.1603766889.git.sathyanarayanan.kuppuswamy@linux.intel.com
> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

Sashiko has reviewed this patch and found no issues. It looks great!

-- 
Sashiko AI review · https://sashiko.dev/#/patchset/20260922204548.3884906-1-sathyanarayanan.kuppuswamy@linux.intel.com?part=3


  reply	other threads:[~2026-09-22 20:56 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-22 20:45 [PATCH v14 0/4] Simplify PCIe native ownership Kuppuswamy Sathyanarayanan
2026-09-22 20:45 ` [PATCH v14 1/4] PCI: Assume control of portdrv-related features only when portdrv enabled Kuppuswamy Sathyanarayanan
2026-09-22 20:57   ` sashiko-bot
2026-09-22 20:45 ` [PATCH v14 2/4] PCI/ACPI: Tidy _OSC control bit checking Kuppuswamy Sathyanarayanan
2026-09-22 20:49   ` sashiko-bot
2026-09-22 20:45 ` [PATCH v14 3/4] PCI/ACPI: Centralize pcie_ports_native checking Kuppuswamy Sathyanarayanan
2026-09-22 20:56   ` sashiko-bot [this message]
2026-09-23  1:44   ` Guixin Liu
2026-10-01 20:54   ` Bjorn Helgaas
2026-10-01 21:48     ` Kuppuswamy Sathyanarayanan
2026-10-01 22:14       ` Bjorn Helgaas
2026-09-22 20:45 ` [PATCH v14 4/4] PCI: Centralize pci_aer_available() checking Kuppuswamy Sathyanarayanan
2026-09-22 21:00   ` sashiko-bot

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