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From: "Kuppuswamy, Sathyanarayanan"  <sathyanarayanan.kuppuswamy@linux.intel.com>
To: Sinan Kaya <okaya@kernel.org>, 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, 28 Sep 2020 11:32:19 -0700
Message-ID: <d6da2246-cf82-315e-c716-62ab9ec13a22@linux.intel.com> (raw)
In-Reply-To: <93b4015f-df2b-728b-3ef7-ac5aa10f03ed@kernel.org>



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?
> 

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer

  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 [this message]
2020-10-12  5:13                                           ` Kuppuswamy, Sathyanarayanan
2020-10-12 14:51                                             ` Sinan Kaya
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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