Re: [Qemu-devel] [PATCH v2 00/29] Dirty bitmap atomic access and optimizations

[Fam Zheng]

On Mon, 04/27 18:28, Paolo Bonzini wrote:
> Patches 1-4 are cleanups to DIRTY_MEMORY_VGA users.
> 
> Patches 5-12 are the first cleanup (KVM treats migration as just
> another client).  Patches 13-14 are a simple optimization that is enabled
> by these patches.
> 
> Patches 15-18 are bonus cleanups to translate-all.c's dirty memory
> tracking for TCG.
> 
> Patches 19-22 are the second cleanup (avoid modifications to unused
> dirty bitmaps).
> 
> Patches 23-28 are Stefan's patches for atomic access to the dirty
> bitmap, which has no performance impact in the common case thanks to
> the previous work.
> 
> Patch 29 is an unrelated strengthening of assertions, that mst spotted
> while reviewing v1.

I've looked at everything except patch 18, which is really beyond my
understanding. Since it's running late for me now, I'll probably try patch 3
again tomorrow.

Thanks,

Fam