Re: [PATCH 1/3] PCI/AER: Option to leave System Error Interrupts as-is

2018-11-02 Thread Keith Busch
On Fri, Nov 02, 2018 at 05:26:23PM +0100, Borislav Petkov wrote: > On Fri, Nov 02, 2018 at 10:17:30AM -0600, Keith Busch wrote: > > VMD acts a bit like a host-bus adapter. The firmware knows about the > > adapter, but not about anything on the bus that it attaches to. > > > > This "hybrid" approac

Re: [PATCH 1/3] PCI/AER: Option to leave System Error Interrupts as-is

2018-11-02 Thread Borislav Petkov
On Fri, Nov 02, 2018 at 10:17:30AM -0600, Keith Busch wrote: > VMD acts a bit like a host-bus adapter. The firmware knows about the > adapter, but not about anything on the bus that it attaches to. > > This "hybrid" approach is basically saying that the firmware knows about > the HBA, and it wants

Re: [PATCH 1/3] PCI/AER: Option to leave System Error Interrupts as-is

2018-11-02 Thread Keith Busch
On Fri, Nov 02, 2018 at 10:53:00AM +0100, Borislav Petkov wrote: > On Mon, Oct 29, 2018 at 04:06:51PM -0500, Bjorn Helgaas wrote: > > If I squint hard enough this sort of makes sense, but it also makes me > > confused about the normal APEI firmware-first model works. > > > > In the NON-firmare-fir

Re: [PATCH 1/3] PCI/AER: Option to leave System Error Interrupts as-is

2018-11-02 Thread Borislav Petkov
On Mon, Oct 29, 2018 at 04:06:51PM -0500, Bjorn Helgaas wrote: > [+cc Rafael, Len, Tony, Borislav, Tyler, Christoph, linux-acpi, LKML] > > On Fri, Oct 26, 2018 at 02:19:04PM -0600, Jon Derrick wrote: > > Add a bit in pci_host_bridge to indicate to leave the System Error > > Interrupts as configure

Re: [PATCH 1/3] PCI/AER: Option to leave System Error Interrupts as-is

2018-10-29 Thread Bjorn Helgaas
[+cc Rafael, Len, Tony, Borislav, Tyler, Christoph, linux-acpi, LKML] On Fri, Oct 26, 2018 at 02:19:04PM -0600, Jon Derrick wrote: > Add a bit in pci_host_bridge to indicate to leave the System Error > Interrupts as configured by the pre-boot environment. Propagate this to > the AER driver which d