qemu-stable
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-stable] [Qemu-devel] [PATCH] bitmap: Update count after a merg


From: John Snow
Subject: Re: [Qemu-stable] [Qemu-devel] [PATCH] bitmap: Update count after a merge
Date: Fri, 9 Nov 2018 18:34:40 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1


On 11/09/2018 12:57 PM, Eric Blake wrote:
> 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?
> 

Running behind. Not yet. On my list.



reply via email to

[Prev in Thread] Current Thread [Next in Thread]