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Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the de
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device |
Date: |
Sun, 21 Nov 2010 22:39:31 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Sun, Nov 21, 2010 at 09:29:59PM +0200, Gleb Natapov wrote:
> > We can control the bus numbers that the BIOS will assign to pci root.
> And if you need to insert device that sits behind pci-to-pci bridge? Do
> you want to control that bus address too? And bus number do not unambiguously
> describe pci root since two roots can have same bus number just fine.
They have to have different segment numbers.
> > It's probably required to make them stable anyway.
> >
> Why?
To avoid bus renumbering on reboot after you add a pci-to-pci bridge.
--
MST
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, (continued)
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Michael S. Tsirkin, 2010/11/21
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Gleb Natapov, 2010/11/21
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Michael S. Tsirkin, 2010/11/21
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Gleb Natapov, 2010/11/21
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Michael S. Tsirkin, 2010/11/21
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Gleb Natapov, 2010/11/21
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Michael S. Tsirkin, 2010/11/21
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Gleb Natapov, 2010/11/21
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Michael S. Tsirkin, 2010/11/21
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Gleb Natapov, 2010/11/21
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device,
Michael S. Tsirkin <=
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Gleb Natapov, 2010/11/22
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Michael S. Tsirkin, 2010/11/22
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Gleb Natapov, 2010/11/22
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Michael S. Tsirkin, 2010/11/22
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Gleb Natapov, 2010/11/22
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Michael S. Tsirkin, 2010/11/22
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Gleb Natapov, 2010/11/22
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Michael S. Tsirkin, 2010/11/22
- Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not the device, Gleb Natapov, 2010/11/22