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Date: Thu, 18 Jan 2018 23:30:01 +0530
From: poza@codeaurora.org
To: Sinan Kaya <okaya@codeaurora.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
        Philippe Ombredanne <pombredanne@nexb.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Kate Stewart <kstewart@linuxfoundation.org>,
        linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
        Dongdong Liu <liudongdong3@huawei.com>,
        Keith Busch <keith.busch@intel.com>, Wei Zhang <wzhang@fb.com>,
        Timur Tabi <timur@codeaurora.org>
Subject: Re: [PATCH v5 3/4] PCI/DPC: Unify and plumb error handling into DPC
In-Reply-To: <35a9ce2b-156f-3235-c3b7-2c495fe9c52b@codeaurora.org>
References: <1516185438-31556-1-git-send-email-poza@codeaurora.org>
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 <35a9ce2b-156f-3235-c3b7-2c495fe9c52b@codeaurora.org>
Message-ID: <64127dba1cebab196c88a160191ebee0@codeaurora.org>
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On 2018-01-18 22:01, Sinan Kaya wrote:
> On 1/18/2018 12:57 AM, poza@codeaurora.org wrote:
>> On 2018-01-18 10:47, poza@codeaurora.org wrote:
>>> On 2018-01-17 22:16, Sinan Kaya wrote:
>>>> On 1/17/2018 5:37 AM, Oza Pawandeep wrote:
>>>>> +++ b/include/linux/dpc.h
>>>>> @@ -0,0 +1,9 @@
>>>>> +/* SPDX-License-Identifier: GPL-2.0 */
>>>>> +
>>>>> +#ifndef _DPC_H_
>>>>> +#define _DPC_H_
>>>>> +
>>>>> +#define DPC_FATAL        4
>>>>> +
>>>>> +#endif //_DPC_H_
>>>>> +
>>>> 
>>>> can you keep this in drivers/pci.h and get rid of this file?
>>> 
>>> I thought about this, but if I keep it in drivers/pci.h,
>>> then AER's defines have to be in that as well. (for unification)
>>> 
>>> and then all the dependent files who are using AER_FATAL such as
>>> drivers/acpi/apei/ghees.c
>>> have to go on including this drivers file which is odd way of doing 
>>> it.
>>> 
>>> So I am not very sure about this....since AER_FATAL are in aer.h, I
>>> have made dpc.h
>>> 
>>> 
>>> Regards,
>>> Oza.
>> 
>> Should I be doing in next patch-set series ?
>> 
> 
> 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.