Re: [PATCH 1/3] xen/pci: do not register devices outside of PCI segment scope

2025-01-13 Thread Bjorn Helgaas
On Mon, Jan 13, 2025 at 11:18:57AM +0100, Roger Pau Monné wrote: > On Fri, Jan 10, 2025 at 04:21:29PM -0600, Bjorn Helgaas wrote: > > On Fri, Jan 10, 2025 at 03:01:48PM +0100, Roger Pau Monne wrote: > > > The PCI segment value is limited to 16 bits, however there are buses like > > > VMD > > > tha

Re: [PATCH 1/3] xen/pci: do not register devices outside of PCI segment scope

2025-01-13 Thread Roger Pau Monné
On Fri, Jan 10, 2025 at 04:21:29PM -0600, Bjorn Helgaas wrote: > On Fri, Jan 10, 2025 at 03:01:48PM +0100, Roger Pau Monne wrote: > > The PCI segment value is limited to 16 bits, however there are buses like > > VMD > > that fake being part of the PCI topology by adding segment with a number > > o

Re: [PATCH 1/3] xen/pci: do not register devices outside of PCI segment scope

2025-01-13 Thread Roger Pau Monné
On Mon, Jan 13, 2025 at 08:17:23AM +0100, Jan Beulich wrote: > On 10.01.2025 15:01, Roger Pau Monne wrote: > > The PCI segment value is limited to 16 bits, however there are buses like > > VMD > > that fake being part of the PCI topology by adding segment with a number > > outside the scope of the

Re: [PATCH 1/3] xen/pci: do not register devices outside of PCI segment scope

2025-01-12 Thread Jan Beulich
On 10.01.2025 23:21, Bjorn Helgaas wrote: > On Fri, Jan 10, 2025 at 03:01:48PM +0100, Roger Pau Monne wrote: >> The PCI segment value is limited to 16 bits, however there are buses like VMD >> that fake being part of the PCI topology by adding segment with a number >> outside the scope of the PCI f

Re: [PATCH 1/3] xen/pci: do not register devices outside of PCI segment scope

2025-01-12 Thread Jan Beulich
On 10.01.2025 15:01, Roger Pau Monne wrote: > The PCI segment value is limited to 16 bits, however there are buses like VMD > that fake being part of the PCI topology by adding segment with a number > outside the scope of the PCI firmware specification range (>= 0x1). The > MCFG ACPI Table "PCI

Re: [PATCH 1/3] xen/pci: do not register devices outside of PCI segment scope

2025-01-10 Thread Bjorn Helgaas
On Fri, Jan 10, 2025 at 03:01:48PM +0100, Roger Pau Monne wrote: > The PCI segment value is limited to 16 bits, however there are buses like VMD > that fake being part of the PCI topology by adding segment with a number > outside the scope of the PCI firmware specification range (>= 0x1). The >

[PATCH 1/3] xen/pci: do not register devices outside of PCI segment scope

2025-01-10 Thread Roger Pau Monne
The PCI segment value is limited to 16 bits, however there are buses like VMD that fake being part of the PCI topology by adding segment with a number outside the scope of the PCI firmware specification range (>= 0x1). The MCFG ACPI Table "PCI Segment Group Number" field is defined as having a