Re: [PATCH] PCI: Probe bridge window attributes once at enumeration-time

2019-02-10 Thread Michael S. Tsirkin
On Mon, Feb 11, 2019 at 01:57:20AM +, Xuyandong (Yandong Xu, Euler5) wrote: > > On Tue, Jan 29, 2019 at 05:02:26PM -0600, Bjorn Helgaas wrote: > > > On Tue, Jan 29, 2019 at 05:47:32PM -0500, Michael S. Tsirkin wrote: > > > > On Tue, Jan 29, 2019 at 04:43:33PM -0600, Bjorn Helgaas wrote: > > >

RE: [PATCH] PCI: Probe bridge window attributes once at enumeration-time

2019-02-10 Thread Xuyandong (Yandong Xu, Euler5)
> On Tue, Jan 29, 2019 at 05:02:26PM -0600, Bjorn Helgaas wrote: > > On Tue, Jan 29, 2019 at 05:47:32PM -0500, Michael S. Tsirkin wrote: > > > On Tue, Jan 29, 2019 at 04:43:33PM -0600, Bjorn Helgaas wrote: > > > > On Tue, Jan 22, 2019 at 01:02:54PM -0600, Bjorn Helgaas wrote: > > > > > From: Bjorn

Re: [PATCH] PCI: Probe bridge window attributes once at enumeration-time

2019-02-05 Thread Michael S. Tsirkin
On Tue, Jan 29, 2019 at 05:02:26PM -0600, Bjorn Helgaas wrote: > On Tue, Jan 29, 2019 at 05:47:32PM -0500, Michael S. Tsirkin wrote: > > On Tue, Jan 29, 2019 at 04:43:33PM -0600, Bjorn Helgaas wrote: > > > On Tue, Jan 22, 2019 at 01:02:54PM -0600, Bjorn Helgaas wrote: > > > > From: Bjorn Helgaas

Re: [PATCH] PCI: Probe bridge window attributes once at enumeration-time

2019-01-29 Thread Bjorn Helgaas
On Tue, Jan 29, 2019 at 05:47:32PM -0500, Michael S. Tsirkin wrote: > On Tue, Jan 29, 2019 at 04:43:33PM -0600, Bjorn Helgaas wrote: > > On Tue, Jan 22, 2019 at 01:02:54PM -0600, Bjorn Helgaas wrote: > > > From: Bjorn Helgaas > > > > > > pci_bridge_check_ranges() determines whether a bridge

Re: [PATCH] PCI: Probe bridge window attributes once at enumeration-time

2019-01-29 Thread Michael S. Tsirkin
On Tue, Jan 29, 2019 at 04:43:33PM -0600, Bjorn Helgaas wrote: > On Tue, Jan 22, 2019 at 01:02:54PM -0600, Bjorn Helgaas wrote: > > From: Bjorn Helgaas > > > > pci_bridge_check_ranges() determines whether a bridge supports the optional > > I/O and prefetchable memory windows and sets the flag

Re: [PATCH] PCI: Probe bridge window attributes once at enumeration-time

2019-01-29 Thread Bjorn Helgaas
On Tue, Jan 22, 2019 at 01:02:54PM -0600, Bjorn Helgaas wrote: > From: Bjorn Helgaas > > pci_bridge_check_ranges() determines whether a bridge supports the optional > I/O and prefetchable memory windows and sets the flag bits in the bridge > resources. This *could* be done once during

[PATCH] PCI: Probe bridge window attributes once at enumeration-time

2019-01-22 Thread Bjorn Helgaas
From: Bjorn Helgaas pci_bridge_check_ranges() determines whether a bridge supports the optional I/O and prefetchable memory windows and sets the flag bits in the bridge resources. This *could* be done once during enumeration except that the resource allocation code completely clears the flag