Re: [PATCH 1/5] PCI/DPC: Ignore devices with no AER Capability

2020-12-01 Thread Bjorn Helgaas
On Sat, Nov 28, 2020 at 08:32:32PM -0800, Kuppuswamy, Sathyanarayanan wrote: > On 11/28/20 3:25 PM, Bjorn Helgaas wrote: > > On Sat, Nov 28, 2020 at 01:56:23PM -0800, Kuppuswamy, Sathyanarayanan wrote: > > > On 11/28/20 1:53 PM, Bjorn Helgaas wrote: > > > > On Sat, Nov 28, 2020 at 01:49:46PM

Re: [PATCH 1/5] PCI/DPC: Ignore devices with no AER Capability

2020-11-28 Thread Kuppuswamy, Sathyanarayanan
On 11/28/20 3:25 PM, Bjorn Helgaas wrote: On Sat, Nov 28, 2020 at 01:56:23PM -0800, Kuppuswamy, Sathyanarayanan wrote: On 11/28/20 1:53 PM, Bjorn Helgaas wrote: On Sat, Nov 28, 2020 at 01:49:46PM -0800, Kuppuswamy, Sathyanarayanan wrote: On 11/28/20 12:24 PM, Bjorn Helgaas wrote: On Wed,

Re: [PATCH 1/5] PCI/DPC: Ignore devices with no AER Capability

2020-11-28 Thread Bjorn Helgaas
On Sat, Nov 28, 2020 at 01:56:23PM -0800, Kuppuswamy, Sathyanarayanan wrote: > On 11/28/20 1:53 PM, Bjorn Helgaas wrote: > > On Sat, Nov 28, 2020 at 01:49:46PM -0800, Kuppuswamy, Sathyanarayanan wrote: > > > On 11/28/20 12:24 PM, Bjorn Helgaas wrote: > > > > On Wed, Nov 25, 2020 at 06:01:57PM

Re: [PATCH 1/5] PCI/DPC: Ignore devices with no AER Capability

2020-11-28 Thread Kuppuswamy, Sathyanarayanan
On 11/28/20 12:24 PM, Bjorn Helgaas wrote: On Wed, Nov 25, 2020 at 06:01:57PM -0800, Kuppuswamy, Sathyanarayanan wrote: On 11/25/20 5:18 PM, Bjorn Helgaas wrote: From: Bjorn Helgaas Downstream Ports may support DPC regardless of whether they support AER (see PCIe r5.0, sec 6.2.10.2).

Re: [PATCH 1/5] PCI/DPC: Ignore devices with no AER Capability

2020-11-28 Thread Kuppuswamy, Sathyanarayanan
On 11/28/20 1:53 PM, Bjorn Helgaas wrote: On Sat, Nov 28, 2020 at 01:49:46PM -0800, Kuppuswamy, Sathyanarayanan wrote: On 11/28/20 12:24 PM, Bjorn Helgaas wrote: On Wed, Nov 25, 2020 at 06:01:57PM -0800, Kuppuswamy, Sathyanarayanan wrote: On 11/25/20 5:18 PM, Bjorn Helgaas wrote: From:

Re: [PATCH 1/5] PCI/DPC: Ignore devices with no AER Capability

2020-11-28 Thread Bjorn Helgaas
On Sat, Nov 28, 2020 at 01:49:46PM -0800, Kuppuswamy, Sathyanarayanan wrote: > On 11/28/20 12:24 PM, Bjorn Helgaas wrote: > > On Wed, Nov 25, 2020 at 06:01:57PM -0800, Kuppuswamy, Sathyanarayanan wrote: > > > On 11/25/20 5:18 PM, Bjorn Helgaas wrote: > > > > From: Bjorn Helgaas > > > > > > > >

Re: [PATCH 1/5] PCI/DPC: Ignore devices with no AER Capability

2020-11-28 Thread Bjorn Helgaas
On Wed, Nov 25, 2020 at 06:01:57PM -0800, Kuppuswamy, Sathyanarayanan wrote: > On 11/25/20 5:18 PM, Bjorn Helgaas wrote: > > From: Bjorn Helgaas > > > > Downstream Ports may support DPC regardless of whether they support AER > > (see PCIe r5.0, sec 6.2.10.2). Previously, if the user booted with

Re: [PATCH 1/5] PCI/DPC: Ignore devices with no AER Capability

2020-11-25 Thread Kuppuswamy, Sathyanarayanan
On 11/25/20 5:18 PM, Bjorn Helgaas wrote: From: Bjorn Helgaas Downstream Ports may support DPC regardless of whether they support AER (see PCIe r5.0, sec 6.2.10.2). Previously, if the user booted with "pcie_ports=dpc-native", it was possible for dpc_probe() to succeed even if the device

[PATCH 1/5] PCI/DPC: Ignore devices with no AER Capability

2020-11-25 Thread Bjorn Helgaas
From: Bjorn Helgaas Downstream Ports may support DPC regardless of whether they support AER (see PCIe r5.0, sec 6.2.10.2). Previously, if the user booted with "pcie_ports=dpc-native", it was possible for dpc_probe() to succeed even if the device had no AER Capability, but