linux-kernel - Re: [PATCH v9 0/5] Simplify PCIe native ownership detection logic

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Message-ID: <49fcf84b-7578-2716-cad1-67e6a5cb9c56@linux.intel.com>
Date:   Tue, 29 Sep 2020 14:23:08 -0700
From:   "Kuppuswamy, Sathyanarayanan" 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
To:     bjorn@...gaas.com
Cc:     Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.nkuppuswamy@...il.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        "Raj, Ashok" <ashok.raj@...el.com>
Subject: Re: [PATCH v9 0/5] Simplify PCIe native ownership detection logic

Hi,

On 9/29/20 2:04 PM, Bjorn Helgaas wrote:
> On Tue, Sep 29, 2020 at 4:00 PM Kuppuswamy, Sathyanarayanan
> <sathyanarayanan.kuppuswamy@...ux.intel.com> wrote:
>>
>> Hi Bjorn,
>>
>> On 9/27/20 6:11 PM, Kuppuswamy Sathyanarayanan wrote:
>>> Currently, PCIe capabilities ownership status is detected by
>>> verifying the status of pcie_ports_native, pcie_ports_dpc_native
>>> and _OSC negotiated results (cached in  struct pci_host_bridge
>>> ->native_* members). But this logic can be simplified, and we can
>>> use only struct pci_host_bridge ->native_* members to detect it.
>>>
>> Did you get this patch set or do I need to send it again?
> 
> I got it, thanks.  More importantly, it looks like linux-pci got it, too :)
Thanks for the confirmation.
> 
> $ b4 am -om/ https://lore.kernel.org/r/a640e9043db50f5adee8e38f5c60ff8423f3f598.1600457297.git.sathyanarayanan.kuppuswamy@linux.intel.com
> Looking up https://lore.kernel.org/r/a640e9043db50f5adee8e38f5c60ff8423f3f598.1600457297.git.sathyanarayanan.kuppuswamy%40linux.intel.com
> Grabbing thread from lore.kernel.org/linux-pci
> Reduced thread to strict matches only (18->10)
> Analyzing 10 messages in the thread
> ---
> Writing m/v9_20200922_sathyanarayanan_kuppuswamy_simplify_pcie_native_ownership_detection_logic.mbx
>    [PATCH v9 1/5] PCI: Conditionally initialize host bridge native_* members
>    [PATCH v9 2/5] ACPI/PCI: Ignore _OSC negotiation result if
> pcie_ports_native is set.
>    [PATCH v9 3/5] ACPI/PCI: Ignore _OSC DPC negotiation result if
> pcie_ports_dpc_native is set.
>    [PATCH v9 4/5] PCI/portdrv: Remove redundant pci_aer_available()
> check in DPC enable logic
>    [PATCH v9 5/5] PCI/DPC: Move AER/DPC dependency checks out of DPC driver
> ---
> Total patches: 5
> ---
> Cover: m/v9_20200922_sathyanarayanan_kuppuswamy_simplify_pcie_native_ownership_detection_logic.cover
>   Link: https://lore.kernel.org/r/cover.1600457297.git.sathyanarayanan.kuppuswamy@linux.intel.com
>   Base: not found (applies clean to current tree)
>         git am m/v9_20200922_sathyanarayanan_kuppuswamy_simplify_pcie_native_ownership_detection_logic.mbx
> 

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer