RE: [PATCH] kvm: qemu: Sync idcache after emualted DMA operations for ia64

2009-04-24 Thread Hollis Blanchard
On Fri, 2009-04-24 at 15:45 +0800, Zhang, Xiantao wrote: As I said before, synchronize instruction and data caches is a meaningful and important operation on architectures other than IA64. *However*, that operation is not relevant on those architectures in this particular location. As

RE: [PATCH] kvm: qemu: Sync idcache after emualted DMA operations for ia64

2009-04-24 Thread Zhang, Xiantao
Hollis Blanchard wrote: On Fri, 2009-04-24 at 15:45 +0800, Zhang, Xiantao wrote: As I said before, synchronize instruction and data caches is a meaningful and important operation on architectures other than IA64. *However*, that operation is not relevant on those architectures in this

RE: [PATCH] kvm: qemu: Sync idcache after emualted DMA operations for ia64

2009-04-22 Thread Hollis Blanchard
On Wed, 2009-04-22 at 09:59 +0800, Zhang, Xiantao wrote: Hollis Blanchard wrote: On Tue, 2009-04-21 at 20:21 +0300, Avi Kivity wrote: Hollis Blanchard wrote: On Tue, 2009-04-21 at 10:08 +, Avi Kivity wrote: From: Xiantao Zhang xiantao.zh...@intel.com ia64 depends on platform

Re: [PATCH] kvm: qemu: Sync idcache after emualted DMA operations for ia64

2009-04-21 Thread Hollis Blanchard
On Tue, 2009-04-21 at 10:08 +, Avi Kivity wrote: From: Xiantao Zhang xiantao.zh...@intel.com ia64 depends on platform provides synced idcache after DMA operation. For virtual dma operations in qemu, it also need to provide similar machanism. Signed-off-by: Xiantao Zhang

Re: [PATCH] kvm: qemu: Sync idcache after emualted DMA operations for ia64

2009-04-21 Thread Avi Kivity
Hollis Blanchard wrote: On Tue, 2009-04-21 at 10:08 +, Avi Kivity wrote: From: Xiantao Zhang xiantao.zh...@intel.com ia64 depends on platform provides synced idcache after DMA operation. For virtual dma operations in qemu, it also need to provide similar machanism. Signed-off-by:

Re: [PATCH] kvm: qemu: Sync idcache after emualted DMA operations for ia64

2009-04-21 Thread Hollis Blanchard
On Tue, 2009-04-21 at 20:21 +0300, Avi Kivity wrote: Hollis Blanchard wrote: On Tue, 2009-04-21 at 10:08 +, Avi Kivity wrote: From: Xiantao Zhang xiantao.zh...@intel.com ia64 depends on platform provides synced idcache after DMA operation. For virtual dma operations in qemu, it

Re: [PATCH] kvm: qemu: Sync idcache after emualted DMA operations for ia64

2009-04-21 Thread Avi Kivity
Hollis Blanchard wrote: So I can release kvm-85. I don't like it either. You don't need to commit it: 1. KVM on ia64 has made it for this long without that patch. Apparently, this was triggered by recent changes to the dma-api? Xiantao? 2. The ia64 guys didn't even

RE: [PATCH] kvm: qemu: Sync idcache after emualted DMA operations for ia64

2009-04-21 Thread Zhang, Xiantao
Hollis Blanchard wrote: On Tue, 2009-04-21 at 20:21 +0300, Avi Kivity wrote: Hollis Blanchard wrote: On Tue, 2009-04-21 at 10:08 +, Avi Kivity wrote: From: Xiantao Zhang xiantao.zh...@intel.com ia64 depends on platform provides synced idcache after DMA operation. For virtual dma