Re: [PATCH] memory: Skip dirty tracking for un-migratable memory regions

2020-11-16 Thread Paolo Bonzini
On 16/11/20 14:22, Zenghui Yu wrote: It makes no sense to track dirty pages for those un-migratable memory regions (e.g., Memory BAR region of the VFIO PCI device) and doing so will potentially lead to some unpleasant issues during migration [1]. Skip dirty tracking for those regions by evaluati

Re: [PATCH] memory: Skip dirty tracking for un-migratable memory regions

2020-11-16 Thread Cornelia Huck
On Mon, 16 Nov 2020 21:22:10 +0800 Zenghui Yu wrote: > It makes no sense to track dirty pages for those un-migratable memory > regions (e.g., Memory BAR region of the VFIO PCI device) and doing so > will potentially lead to some unpleasant issues during migration [1]. > > Skip dirty tracking for

[PATCH] memory: Skip dirty tracking for un-migratable memory regions

2020-11-16 Thread Zenghui Yu
It makes no sense to track dirty pages for those un-migratable memory regions (e.g., Memory BAR region of the VFIO PCI device) and doing so will potentially lead to some unpleasant issues during migration [1]. Skip dirty tracking for those regions by evaluating if the region is migratable before s