From: sashiko-bot@kernel.org
To: "Kuppuswamy Sathyanarayanan"
<sathyanarayanan.kuppuswamy@linux.intel.com>
Cc: linux-pci@vger.kernel.org
Subject: Re: [PATCH v13 1/5] PCI/DPC: Ignore devices with no AER Capability
Date: Sat, 19 Sep 2026 16:35:04 +0000 [thread overview]
Message-ID: <20260919163504.9C6D01F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20260919162655.3499010-2-sathyanarayanan.kuppuswamy@linux.intel.com>
> From: Bjorn Helgaas <bhelgaas@google.com>
>
> Downstream Ports may support DPC regardless of whether they support AER
> (see PCIe r7.0, sec 6.2.11.2). Previously, if the user booted with
> "pcie_ports=dpc-native", it was possible for dpc_probe() to succeed even if
> the device had no AER Capability, but dpc_get_aer_uncorrect_severity()
> depends on the AER Capability.
>
> dpc_probe() previously failed if:
>
> !pcie_aer_is_native(pdev) && !pcie_ports_dpc_native
> !(pcie_aer_is_native() || pcie_ports_dpc_native) # by De Morgan's law
>
> so it succeeded if:
>
> pcie_aer_is_native() || pcie_ports_dpc_native
>
> Fail dpc_probe() if the device has no AER Capability.
>
> 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/20260919162655.3499010-1-sathyanarayanan.kuppuswamy@linux.intel.com?part=1
next prev parent reply other threads:[~2026-09-19 16:35 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-19 16:26 [PATCH v13 0/5] Simplify PCIe native ownership Kuppuswamy Sathyanarayanan
2026-09-19 16:26 ` [PATCH v13 1/5] PCI/DPC: Ignore devices with no AER Capability Kuppuswamy Sathyanarayanan
2026-09-19 16:35 ` sashiko-bot [this message]
2026-09-20 6:11 ` Lukas Wunner
2026-09-21 16:43 ` Kuppuswamy Sathyanarayanan
2026-09-21 19:01 ` Bjorn Helgaas
2026-09-19 16:26 ` [PATCH v13 2/5] PCI: Assume control of portdrv-related features only when portdrv enabled Kuppuswamy Sathyanarayanan
2026-09-19 16:33 ` sashiko-bot
2026-09-20 6:17 ` Lukas Wunner
2026-09-21 18:59 ` Kuppuswamy Sathyanarayanan
2026-09-21 19:01 ` Bjorn Helgaas
2026-09-22 17:30 ` Bowman, Terry
2026-09-19 16:26 ` [PATCH v13 3/5] PCI/ACPI: Tidy _OSC control bit checking Kuppuswamy Sathyanarayanan
2026-09-19 16:30 ` sashiko-bot
2026-09-22 13:18 ` Rafael J. Wysocki (Intel)
2026-09-19 16:26 ` [PATCH v13 4/5] PCI/ACPI: Centralize pcie_ports_native checking Kuppuswamy Sathyanarayanan
2026-09-19 16:39 ` sashiko-bot
2026-09-21 20:40 ` Kuppuswamy Sathyanarayanan
2026-09-20 7:24 ` Guixin Liu
2026-09-21 20:41 ` Kuppuswamy Sathyanarayanan
2026-09-22 13:16 ` Rafael J. Wysocki (Intel)
2026-09-19 16:26 ` [PATCH v13 5/5] PCI: Centralize pci_aer_available() checking Kuppuswamy Sathyanarayanan
2026-09-19 16:36 ` sashiko-bot
-- strict thread matches above, loose matches on Subject: below --
2021-01-23 1:11 [PATCH v13 0/5] Simplify PCIe native ownership Kuppuswamy Sathyanarayanan
2021-01-23 1:11 ` [PATCH v13 1/5] PCI/DPC: Ignore devices with no AER Capability Kuppuswamy Sathyanarayanan
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