Re: [PATCH qemu-kvm] device assignment: default requires IOMMU

2010-01-18 Thread Alexander Graf
Chris Wright wrote: [ resend, fixing email header, sorry for duplicate ] The default mode for device assignment is to rely on an IOMMU for proper translations and a functioning device in the guest. The current logic makes this requirement advisory, and simply disables the request for IOMMU

Re: [PATCH qemu-kvm] device assignment: default requires IOMMU

2010-01-18 Thread Avi Kivity
On 01/18/2010 04:18 PM, Alexander Graf wrote: Chris Wright wrote: [ resend, fixing email header, sorry for duplicate ] The default mode for device assignment is to rely on an IOMMU for proper translations and a functioning device in the guest. The current logic makes this requirement

Re: [PATCH qemu-kvm] device assignment: default requires IOMMU

2009-12-24 Thread Marcelo Tosatti
On Wed, Dec 23, 2009 at 02:40:20PM -0800, Chris Wright wrote: [ resend, fixing email header, sorry for duplicate ] The default mode for device assignment is to rely on an IOMMU for proper translations and a functioning device in the guest. The current logic makes this requirement advisory,

[PATCH qemu-kvm] device assignment: default requires IOMMU

2009-12-23 Thread Chris Wright
[ resend, fixing email header, sorry for duplicate ] The default mode for device assignment is to rely on an IOMMU for proper translations and a functioning device in the guest. The current logic makes this requirement advisory, and simply disables the request for IOMMU if one is not found on

Re: [PATCH qemu-kvm] device assignment: default requires IOMMU

2009-12-23 Thread Alexander Graf
Am 23.12.2009 um 23:40 schrieb Chris Wright chr...@sous-sol.org: [ resend, fixing email header, sorry for duplicate ] The default mode for device assignment is to rely on an IOMMU for proper translations and a functioning device in the guest. The current logic makes this requirement

Re: [PATCH qemu-kvm] device assignment: default requires IOMMU

2009-12-23 Thread Simon Horman
On Thu, Dec 24, 2009 at 01:45:34AM +0100, Alexander Graf wrote: Am 23.12.2009 um 23:40 schrieb Chris Wright chr...@sous-sol.org: [ resend, fixing email header, sorry for duplicate ] The default mode for device assignment is to rely on an IOMMU for proper translations and a functioning

Re: [PATCH qemu-kvm] device assignment: default requires IOMMU

2009-12-23 Thread Sheng Yang
On Thursday 24 December 2009 14:51:23 Simon Horman wrote: On Thu, Dec 24, 2009 at 01:45:34AM +0100, Alexander Graf wrote: Am 23.12.2009 um 23:40 schrieb Chris Wright chr...@sous-sol.org: [ resend, fixing email header, sorry for duplicate ] The default mode for device assignment is to

Re: [PATCH qemu-kvm] device assignment: default requires IOMMU

2009-12-23 Thread Muli Ben-Yehuda
On Thu, Dec 24, 2009 at 02:56:00PM +0800, Sheng Yang wrote: And, of course, disabling the IOMMU requirement using the old: -pcidevice host=[addr],dma=none or the newer: -device pci-assign,host=[addr],iommu=0 will do what it always did (not require an IOMMU, and

Re: [PATCH qemu-kvm] device assignment: default requires IOMMU

2009-12-23 Thread Simon Horman
On Thu, Dec 24, 2009 at 02:56:00PM +0800, Sheng Yang wrote: On Thursday 24 December 2009 14:51:23 Simon Horman wrote: On Thu, Dec 24, 2009 at 01:45:34AM +0100, Alexander Graf wrote: Am 23.12.2009 um 23:40 schrieb Chris Wright chr...@sous-sol.org: [ resend, fixing email header, sorry for