Re: [Qemu-devel] [PATCH] pci: Add generic PCI device option to disable 64bit MMIO BARs

2012-02-01 Thread Alex Williamson
On Wed, 2012-02-01 at 15:57 -0700, Alex Williamson wrote: > As we start to enable 64bit I/O devices, there's a good chance > we'll find bugs and compatibility issues. This allows a user > to toggle off (default on) 64bit PCI MMIO BARs, downgrading > them to 32bit BARs. > > Signed-off-by: Alex Wil

Re: [Qemu-devel] [PATCH] pci: Add generic PCI device option to disable 64bit MMIO BARs

2012-02-01 Thread Alex Williamson
On Thu, 2012-02-02 at 01:14 +0200, Michael S. Tsirkin wrote: > On Wed, Feb 01, 2012 at 03:57:02PM -0700, Alex Williamson wrote: > > As we start to enable 64bit I/O devices, there's a good chance > > we'll find bugs and compatibility issues. This allows a user > > to toggle off (default on) 64bit P

Re: [Qemu-devel] [PATCH] pci: Add generic PCI device option to disable 64bit MMIO BARs

2012-02-01 Thread Michael S. Tsirkin
On Wed, Feb 01, 2012 at 03:57:02PM -0700, Alex Williamson wrote: > As we start to enable 64bit I/O devices, there's a good chance > we'll find bugs and compatibility issues. This allows a user > to toggle off (default on) 64bit PCI MMIO BARs, downgrading > them to 32bit BARs. > > Signed-off-by: A

[Qemu-devel] [PATCH] pci: Add generic PCI device option to disable 64bit MMIO BARs

2012-02-01 Thread Alex Williamson
As we start to enable 64bit I/O devices, there's a good chance we'll find bugs and compatibility issues. This allows a user to toggle off (default on) 64bit PCI MMIO BARs, downgrading them to 32bit BARs. Signed-off-by: Alex Williamson --- Should this be an "x-mem64" option implying that it's re