Re: [Qemu-block] [Qemu-devel] [PATCH] bitmap: Update count after a merge

[Eric Blake]

On 9/27/18 12:23 PM, John Snow wrote:
> On 09/26/2018 11:11 PM, Eric Blake wrote:
> > We need an accurate count of the number of bits set in a bitmap
> > after a merge. In particular, since the merge operation short-circuits
> > a merge from an empty source, if you have bitmaps A, B, and C where
> > B started empty, then merge C into B, and B into A, an inaccurate
> > count meant that A did not get the contents of C.

> OK, tests coming up. Thanks for the CC to stable.

Did we ever add tests for this yet?

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org