Re: [Qemu-devel] A question about PCI device address spaces

2016-12-26 Thread David Gibson
On Mon, Dec 26, 2016 at 01:01:34PM +0200, Marcel Apfelbaum wrote: > On 12/22/2016 11:42 AM, Peter Xu wrote: > > Hello, > > > > Hi Peter, > > > Since this is a general topic, I picked it out from the VT-d > > discussion and put it here, just want to be more clear of it. > > > > The issue is, whe

Re: [Qemu-devel] A question about PCI device address spaces

2016-12-26 Thread Marcel Apfelbaum
On 12/22/2016 11:42 AM, Peter Xu wrote: Hello, Hi Peter, Since this is a general topic, I picked it out from the VT-d discussion and put it here, just want to be more clear of it. The issue is, whether we have exposed too much address spaces for emulated PCI devices? Now for each PCI devic

Re: [Qemu-devel] A question about PCI device address spaces

2016-12-25 Thread Peter Xu
On Fri, Dec 23, 2016 at 11:21:53AM +, Peter Maydell wrote: > On 22 December 2016 at 09:42, Peter Xu wrote: > > Hello, > > > > Since this is a general topic, I picked it out from the VT-d > > discussion and put it here, just want to be more clear of it. > > > > The issue is, whether we have exp

Re: [Qemu-devel] A question about PCI device address spaces

2016-12-23 Thread Peter Maydell
On 22 December 2016 at 09:42, Peter Xu wrote: > Hello, > > Since this is a general topic, I picked it out from the VT-d > discussion and put it here, just want to be more clear of it. > > The issue is, whether we have exposed too much address spaces for > emulated PCI devices? > > Now for each PCI

Re: [Qemu-devel] A question about PCI device address spaces

2016-12-22 Thread David Gibson
On Thu, Dec 22, 2016 at 05:42:40PM +0800, Peter Xu wrote: > Hello, > > Since this is a general topic, I picked it out from the VT-d > discussion and put it here, just want to be more clear of it. > > The issue is, whether we have exposed too much address spaces for > emulated PCI devices? > > No

Re: [Qemu-devel] A question about PCI device address spaces

2016-12-22 Thread Paolo Bonzini
On 22/12/2016 10:42, Peter Xu wrote: > Hello, > > Since this is a general topic, I picked it out from the VT-d > discussion and put it here, just want to be more clear of it. > > The issue is, whether we have exposed too much address spaces for > emulated PCI devices? > > Now for each PCI devi

[Qemu-devel] A question about PCI device address spaces

2016-12-22 Thread Peter Xu
Hello, Since this is a general topic, I picked it out from the VT-d discussion and put it here, just want to be more clear of it. The issue is, whether we have exposed too much address spaces for emulated PCI devices? Now for each PCI device, we are having PCIDevice::bus_master_as for the device