Re: [Xen-devel] [PATCH v7 2/3] Differentiate IO/mem resources tracked by ioreq server

2015-08-21 Thread Yu, Zhang
On 8/21/2015 2:35 PM, Tian, Kevin wrote: From: Yu Zhang [mailto:yu.c.zh...@linux.intel.com] Sent: Friday, August 21, 2015 11:31 AM Currently in ioreq server, guest write-protected ram pages are tracked in the same rangeset with device mmio resources. Yet unlike device mmio, which can be in big

Re: [Xen-devel] [PATCH v7 2/3] Differentiate IO/mem resources tracked by ioreq server

2015-08-20 Thread Tian, Kevin
> From: Yu Zhang [mailto:yu.c.zh...@linux.intel.com] > Sent: Friday, August 21, 2015 11:31 AM > > Currently in ioreq server, guest write-protected ram pages are > tracked in the same rangeset with device mmio resources. Yet > unlike device mmio, which can be in big chunks, the guest write- > prote

[Xen-devel] [PATCH v7 2/3] Differentiate IO/mem resources tracked by ioreq server

2015-08-20 Thread Yu Zhang
Currently in ioreq server, guest write-protected ram pages are tracked in the same rangeset with device mmio resources. Yet unlike device mmio, which can be in big chunks, the guest write- protected pages may be discrete ranges with 4K bytes each. This patch uses a seperate rangeset for the guest r