linux-kernel - Re: [PATCH v5 3/4] PCI/DPC: Unify and plumb error handling into DPC

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Date:   Fri, 19 Jan 2018 09:53:50 +0530
From:   poza@...eaurora.org
To:     Sinan Kaya <okaya@...eaurora.org>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Dongdong Liu <liudongdong3@...wei.com>,
        Keith Busch <keith.busch@...el.com>, Wei Zhang <wzhang@...com>,
        Timur Tabi <timur@...eaurora.org>
Subject: Re: [PATCH v5 3/4] PCI/DPC: Unify and plumb error handling into DPC

On 2018-01-18 23:33, Sinan Kaya wrote:
> On 1/18/2018 1:00 PM, poza@...eaurora.org wrote:
>>> I think you would put into include/linux/pci.h only if there is an 
>>> external
>>> use of constant outside of drivers/pci directory. Otherwise, you 
>>> should keep
>>> the setting inside one of the header files in drivers/pci directory.
>>> 
>>> I don't see any other subsystem caring about DPC_FATAL definition.
>> 
>> ok so you are suggesting to move only DPC_FATAL ? so then AER can stay 
>> where it is.
> 
> Now that both AER and DPC handling is getting unified, I think it makes 
> sense to
> keep all error codes (AER+DPC) together in drivers/pci/pci.h rather 
> than having
> them split in aer.h and dpc.h.
> 
> Otherwise, how would we avoid having a new error type defined with the
> existing values.

I agree, its is just that drivers/acpi/apet/ghes.c has to do
#include ../../pci/pci.h

but thats okay I think.  let me move error codes to drivers/pci/pci.h.

Regards,
Oza.