On 5/26/20 11:41 PM, Yicong Yang wrote:
We should do slot reset if driver required, but it's different from the `slot
reset` in pci_bus_error_reset().
Previously we don't do a slot reset and call ->slot_reset() directly, I don't
know the certain reason.
IIUC, your concern is whether it is c
On 2020/5/27 12:04, Kuppuswamy, Sathyanarayanan wrote:
>
>
> On 5/26/20 8:50 PM, Yicong Yang wrote:
>> Hi,
>>
>>
>> On 2020/5/27 9:31, Kuppuswamy, Sathyanarayanan wrote:
>>> Hi,
>>>
>>> On 5/21/20 7:56 PM, Yicong Yang wrote:
On 2020/5/22 3:31, Kuppuswamy, Sathyanarayanan wrote:
>>>
On 5/26/20 8:50 PM, Yicong Yang wrote:
Hi,
On 2020/5/27 9:31, Kuppuswamy, Sathyanarayanan wrote:
Hi,
On 5/21/20 7:56 PM, Yicong Yang wrote:
On 2020/5/22 3:31, Kuppuswamy, Sathyanarayanan wrote:
On 5/21/20 3:58 AM, Yicong Yang wrote:
On 2020/5/21 1:04, Kuppuswamy, Sathyanarayanan wro
Hi,
On 2020/5/27 9:31, Kuppuswamy, Sathyanarayanan wrote:
> Hi,
>
> On 5/21/20 7:56 PM, Yicong Yang wrote:
>>
>>
>> On 2020/5/22 3:31, Kuppuswamy, Sathyanarayanan wrote:
>>>
>>>
>>> On 5/21/20 3:58 AM, Yicong Yang wrote:
On 2020/5/21 1:04, Kuppuswamy, Sathyanarayanan wrote:
>
>
>
On Wed, May 27, 2020 at 1:06 PM Kuppuswamy, Sathyanarayanan
wrote:
>
> Yes, in case of DPC (Fatal errors) link is already reset. So we
> don't need any special handling. This reset logic is mainly for
> non-fatal errors.
Why? In our experience most fatal errors aren't all that fatal and can
be re
Hi,
On 5/26/20 8:00 PM, Oliver O'Halloran wrote:
On Wed, May 27, 2020 at 12:00 PM Kuppuswamy, Sathyanarayanan
wrote:
Hi,
On 5/21/20 7:56 PM, Yicong Yang wrote:
On 2020/5/22 3:31, Kuppuswamy, Sathyanarayanan wrote:
Not exactly. In pci_bus_error_reset(), we call pci_slot_reset() only if
On Wed, May 27, 2020 at 12:00 PM Kuppuswamy, Sathyanarayanan
wrote:
>
> Hi,
>
> On 5/21/20 7:56 PM, Yicong Yang wrote:
> >
> >
> > On 2020/5/22 3:31, Kuppuswamy, Sathyanarayanan wrote:
> >>
> > Not exactly. In pci_bus_error_reset(), we call pci_slot_reset() only if it's
> > hotpluggable. But we al
Hi,
On 5/21/20 7:56 PM, Yicong Yang wrote:
On 2020/5/22 3:31, Kuppuswamy, Sathyanarayanan wrote:
On 5/21/20 3:58 AM, Yicong Yang wrote:
On 2020/5/21 1:04, Kuppuswamy, Sathyanarayanan wrote:
On 5/20/20 1:28 AM, Yicong Yang wrote:
On 2020/5/7 11:32, sathyanarayanan.kuppusw...@linux.intel
On 2020/5/22 3:31, Kuppuswamy, Sathyanarayanan wrote:
>
>
> On 5/21/20 3:58 AM, Yicong Yang wrote:
>> On 2020/5/21 1:04, Kuppuswamy, Sathyanarayanan wrote:
>>>
>>>
>>> On 5/20/20 1:28 AM, Yicong Yang wrote:
On 2020/5/7 11:32, sathyanarayanan.kuppusw...@linux.intel.com wrote:
> From: Kup
On 5/21/20 3:58 AM, Yicong Yang wrote:
On 2020/5/21 1:04, Kuppuswamy, Sathyanarayanan wrote:
On 5/20/20 1:28 AM, Yicong Yang wrote:
On 2020/5/7 11:32, sathyanarayanan.kuppusw...@linux.intel.com wrote:
From: Kuppuswamy Sathyanarayanan
If there are non-hotplug capable devices connected to
On 2020/5/21 1:04, Kuppuswamy, Sathyanarayanan wrote:
>
>
> On 5/20/20 1:28 AM, Yicong Yang wrote:
>> On 2020/5/7 11:32, sathyanarayanan.kuppusw...@linux.intel.com wrote:
>>> From: Kuppuswamy Sathyanarayanan
>>>
>>>
>>> If there are non-hotplug capable devices connected to a given
>>> port, then
On 5/20/20 1:28 AM, Yicong Yang wrote:
On 2020/5/7 11:32, sathyanarayanan.kuppusw...@linux.intel.com wrote:
From: Kuppuswamy Sathyanarayanan
If there are non-hotplug capable devices connected to a given
port, then during the fatal error recovery(triggered by DPC or
AER), after calling reset
On 2020/5/7 11:32, sathyanarayanan.kuppusw...@linux.intel.com wrote:
> From: Kuppuswamy Sathyanarayanan
>
> If there are non-hotplug capable devices connected to a given
> port, then during the fatal error recovery(triggered by DPC or
> AER), after calling reset_link() function, we cannot rely on
Hi Bjorn,
On 5/13/20 3:44 PM, Bjorn Helgaas wrote:
On Wed, May 06, 2020 at 08:32:59PM -0700,
sathyanarayanan.kuppusw...@linux.intel.com wrote:
From: Kuppuswamy Sathyanarayanan
If there are non-hotplug capable devices connected to a given
port, then during the fatal error recovery(triggered b
On Wed, May 06, 2020 at 08:32:59PM -0700,
sathyanarayanan.kuppusw...@linux.intel.com wrote:
> From: Kuppuswamy Sathyanarayanan
>
> If there are non-hotplug capable devices connected to a given
> port, then during the fatal error recovery(triggered by DPC or
> AER), after calling reset_link() fun
On 2020/5/13 3:20, Jay Vosburgh wrote:
> sathyanarayanan.kuppusw...@linux.intel.com wrote:
>
>> From: Kuppuswamy Sathyanarayanan
>>
>> If there are non-hotplug capable devices connected to a given
>> port, then during the fatal error recovery(triggered by DPC or
>> AER), after calling reset_link()
sathyanarayanan.kuppusw...@linux.intel.com wrote:
>From: Kuppuswamy Sathyanarayanan
>
>If there are non-hotplug capable devices connected to a given
>port, then during the fatal error recovery(triggered by DPC or
>AER), after calling reset_link() function, we cannot rely on
>hotplug handler to de
From: Kuppuswamy Sathyanarayanan
If there are non-hotplug capable devices connected to a given
port, then during the fatal error recovery(triggered by DPC or
AER), after calling reset_link() function, we cannot rely on
hotplug handler to detach and re-enumerate the device drivers
in the affected
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