Re: [PATCH] PCI: Check whether bridges allow access to extended config space

2018-05-09 Thread Frederick Lawler
Hi, Gilles Buloz wrote: Here are full dmesg + lspci -vv + ... for the following cases : - 4.17-rc1_probe_failed_without_pcieaspmoff.txt : I get a broken PCI config at most boots, without pcie_aspm=off - 4.17-rc1_probe_ok_without_pcieaspmoff.txt : I get a correct PCI config at some boots, even

Re: [PATCH] PCI: Check whether bridges allow access to extended config space

2018-05-07 Thread Bjorn Helgaas
On Fri, May 04, 2018 at 03:06:00PM -0500, Bjorn Helgaas wrote: > On Fri, May 04, 2018 at 03:45:07PM +, Gilles Buloz wrote: > > Le 04/05/2018 00:31, Bjorn Helgaas a écrit : > > > [+cc LKML] > > > > > > On Thu, May 03, 2018 at 12:40:27PM +, Gilles Buloz wrote: > > >> Subject:[PATCH] For e

Re: [PATCH] PCI: Check whether bridges allow access to extended config space

2018-05-04 Thread Gilles Buloz
Le 04/05/2018 00:31, Bjorn Helgaas a écrit : > [+cc LKML] > > On Thu, May 03, 2018 at 12:40:27PM +, Gilles Buloz wrote: >> Subject:[PATCH] For exception at PCI probe due to bridge reporting UR >> >> Even if a device supports extended config access, no such access must be >> done to this dev

[PATCH] PCI: Check whether bridges allow access to extended config space

2018-05-03 Thread Bjorn Helgaas
[+cc LKML] On Thu, May 03, 2018 at 12:40:27PM +, Gilles Buloz wrote: > Subject:[PATCH] For exception at PCI probe due to bridge reporting UR > > Even if a device supports extended config access, no such access must be > done to this device If there's a bridge not supporting that in the pa