Re: [PATCH 0/2] PCI/AER: Consistently use _OSC to determine who owns AER

2019-03-05 Thread Bjorn Helgaas
On Thu, Nov 15, 2018 at 05:16:01PM -0600, Alexandru Gagniuc wrote: > Thanks to Keith for pointing out that it doesn't make sense to disable > AER services when only one device has a FIRMWARE_FIRST HEST. > > AER ownership is an interesting issue brought in by FFS (firmware-first) > model. In a

Re: [PATCH 0/2] PCI/AER: Consistently use _OSC to determine who owns AER

2018-11-27 Thread Tyler Baicar
On Tue, Nov 27, 2018 at 1:32 PM Sinan Kaya wrote: > > On 11/27/2018 1:22 PM, alex_gagn...@dellteam.com wrote: > > On 11/20/2018 04:08 PM, Sinan Kaya wrote: > >> I followed the ASWG thread yesterday. There will be a meeting next week to > >> discuss this. > > > > Any updates on the meeting? > > >

Re: [PATCH 0/2] PCI/AER: Consistently use _OSC to determine who owns AER

2018-11-27 Thread Tyler Baicar
On Tue, Nov 27, 2018 at 1:32 PM Sinan Kaya wrote: > > On 11/27/2018 1:22 PM, alex_gagn...@dellteam.com wrote: > > On 11/20/2018 04:08 PM, Sinan Kaya wrote: > >> I followed the ASWG thread yesterday. There will be a meeting next week to > >> discuss this. > > > > Any updates on the meeting? > > >

Re: [PATCH 0/2] PCI/AER: Consistently use _OSC to determine who owns AER

2018-11-20 Thread Sinan Kaya
On 11/20/2018 4:42 PM, Keith Busch wrote: How does that work? If the OS takes control, it sets up MSIs that FW don't react to, and disables system errors through PCIe Root Control. Aren't those sys errs the mechanism FW knows it has something to do, which means the OS can effectively fence it

Re: [PATCH 0/2] PCI/AER: Consistently use _OSC to determine who owns AER

2018-11-20 Thread Sinan Kaya
On 11/20/2018 4:42 PM, Keith Busch wrote: How does that work? If the OS takes control, it sets up MSIs that FW don't react to, and disables system errors through PCIe Root Control. Aren't those sys errs the mechanism FW knows it has something to do, which means the OS can effectively fence it

Re: [PATCH 0/2] PCI/AER: Consistently use _OSC to determine who owns AER

2018-11-19 Thread Sinan Kaya
On 11/19/2018 11:53 AM, Keith Busch wrote: On Mon, Nov 19, 2018 at 11:53:05AM -0500, Tyler Baicar wrote: On Thu, Nov 15, 2018 at 8:49 PM Sinan Kaya wrote: On 11/15/2018 3:16 PM, Alexandru Gagniuc wrote: I've asked around a few people at Dell and they unanimously agree that _OSC is the

Re: [PATCH 0/2] PCI/AER: Consistently use _OSC to determine who owns AER

2018-11-19 Thread Sinan Kaya
On 11/19/2018 11:53 AM, Keith Busch wrote: On Mon, Nov 19, 2018 at 11:53:05AM -0500, Tyler Baicar wrote: On Thu, Nov 15, 2018 at 8:49 PM Sinan Kaya wrote: On 11/15/2018 3:16 PM, Alexandru Gagniuc wrote: I've asked around a few people at Dell and they unanimously agree that _OSC is the

Re: [PATCH 0/2] PCI/AER: Consistently use _OSC to determine who owns AER

2018-11-19 Thread Keith Busch
On Mon, Nov 19, 2018 at 11:53:05AM -0500, Tyler Baicar wrote: > On Thu, Nov 15, 2018 at 8:49 PM Sinan Kaya wrote: > > > > On 11/15/2018 3:16 PM, Alexandru Gagniuc wrote: > > > I've asked around a few people at Dell and they unanimously agree that > > > _OSC is the correct way to determine

Re: [PATCH 0/2] PCI/AER: Consistently use _OSC to determine who owns AER

2018-11-19 Thread Keith Busch
On Mon, Nov 19, 2018 at 11:53:05AM -0500, Tyler Baicar wrote: > On Thu, Nov 15, 2018 at 8:49 PM Sinan Kaya wrote: > > > > On 11/15/2018 3:16 PM, Alexandru Gagniuc wrote: > > > I've asked around a few people at Dell and they unanimously agree that > > > _OSC is the correct way to determine