Re: [Qemu-devel] [PATCH 14/22] exec: only check relevant bitmaps for cleanliness

2015-03-27 Thread Paolo Bonzini
On 27/03/2015 07:10, Fam Zheng wrote: >> static inline bool cpu_physical_memory_range_includes_clean(ram_addr_t >> start, >> -ram_addr_t >> length) >> +ram_addr_t >> length,

Re: [Qemu-devel] [PATCH 14/22] exec: only check relevant bitmaps for cleanliness

2015-03-26 Thread Fam Zheng
On Thu, 03/26 18:38, Paolo Bonzini wrote: > Most of the time, not all bitmaps have to be marked as dirty; > do not do anything if the interesting ones are already dirty. > Previously, any clean bitmap would have cause all the bitmaps to be > marked dirty. > > In fact, unless running TCG most of th