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From: Sinan Kaya <okaya@kernel.org>
To: "Kuppuswamy,
	Sathyanarayanan"  <sathyanarayanan.kuppuswamy@linux.intel.com>,
	Bjorn Helgaas <helgaas@kernel.org>
Cc: bhelgaas@google.com, linux-pci@vger.kernel.org,
	linux-kernel@vger.kernel.org, ashok.raj@intel.com,
	Jay Vosburgh <jay.vosburgh@canonical.com>
Subject: Re: [PATCH v3 1/1] PCI/ERR: Fix reset logic in pcie_do_recovery() call
Date: Mon, 12 Oct 2020 10:51:42 -0400
Message-ID: <95fb03e3-97c0-296f-25ba-5d7ce857ad86@kernel.org> (raw)
In-Reply-To: <0013f3d2-569a-27ba-336e-3d4668834545@linux.intel.com>

On 10/12/2020 1:13 AM, Kuppuswamy, Sathyanarayanan wrote:
> Hi Sinan,
> 
> On 9/28/20 11:32 AM, Kuppuswamy, Sathyanarayanan wrote:
>>
>>
>> On 9/28/20 11:25 AM, Sinan Kaya wrote:
>>> On 9/28/2020 2:02 PM, Sinan Kaya wrote:
>>>> Since there is no state restoration for FATAL errors, I am wondering
>>>> whether
>>>> calls to ->error_detected(), ->mmio_enabled() and ->slot_reset() are
>>>> required?
>>>
>>> I also would like to ask someone closer to the spec language double
>>> check this.
>>>
>>> When we recover the link at the end of the DPC handler, what is the
>>> expected state of the endpoint?
>>>
>>> Is it a some kind of a reset like secondary bus reset? (I assumed this
>>>   one)
>> I think it will be in reset state.
>>>
>>> Undefined?
>>>
>>> or just plain link recovery with everything else as intact as it used
>>> to be?
>>>
>>
> 
> Please check the following version. It should fix most of the reset issues
> properly.
> 
> https://lore.kernel.org/linux-pci/5c5bca0bdb958e456176fe6ede10ba8f838fbafc.1602263264.git.sathyanarayanan.kuppuswamy@linux.intel.com/T/#t
> 
> 

Thanks, good stuff.

  reply index

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <3cad1a07-509b-ef51-f635-71def2ff8293@linux.intel.com>
2020-09-22 23:33 ` Bjorn Helgaas
2020-09-22 23:44   ` Kuppuswamy, Sathyanarayanan
2020-09-24  1:15     ` Sinan Kaya
2020-09-24  2:04       ` Kuppuswamy, Sathyanarayanan
2020-09-24  2:16         ` Sinan Kaya
2020-09-24  2:51           ` Kuppuswamy, Sathyanarayanan
2020-09-24  3:13             ` Sinan Kaya
2020-09-24  4:06               ` Kuppuswamy, Sathyanarayanan
2020-09-24 20:52                 ` Sinan Kaya
2020-09-25  5:11                   ` Kuppuswamy, Sathyanarayanan
2020-09-25 16:55                     ` Sinan Kaya
2020-09-25 17:11                       ` Kuppuswamy, Sathyanarayanan
2020-09-25 17:47                         ` Sinan Kaya
2020-09-25 18:16                           ` Kuppuswamy, Sathyanarayanan
2020-09-25 18:30                             ` Sinan Kaya
2020-09-28  2:43                               ` Kuppuswamy, Sathyanarayanan
2020-09-28  8:41                                 ` Ethan Zhao
2020-09-28 11:17                                 ` Sinan Kaya
2020-09-28 12:16                                   ` Sinan Kaya
2020-09-28 17:15                                   ` Kuppuswamy, Sathyanarayanan
2020-09-28 18:02                                     ` Sinan Kaya
2020-09-28 18:25                                       ` Sinan Kaya
2020-09-28 18:32                                         ` Kuppuswamy, Sathyanarayanan
2020-10-12  5:13                                           ` Kuppuswamy, Sathyanarayanan
2020-10-12 14:51                                             ` Sinan Kaya [this message]
2020-09-28 12:11                                 ` Sinan Kaya
2020-09-25 23:50                             ` Sinan Kaya
2020-07-24 19:07 sathyanarayanan.kuppuswamy
2020-09-01  5:41 ` Kuppuswamy, Sathyanarayanan
2020-09-22 18:52 ` Bjorn Helgaas

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