On Tue, 05/26 18:54, Paolo Bonzini wrote:
> From: Stefan Hajnoczi
>
> Use atomic_or() for atomic bitmaps where several threads may set bits at
> the same time. This avoids the race condition between threads loading
> an element, bitwise ORing, and then storing the element.
>
> When setting all
On 27/05/2015 09:58, Fam Zheng wrote:
> On Tue, 05/26 18:54, Paolo Bonzini wrote:
>> From: Stefan Hajnoczi
>>
>> Use atomic_or() for atomic bitmaps where several threads may set bits at
>> the same time. This avoids the race condition between threads loading
>> an element, bitwise ORing, and th
On Tue, 05/26 18:54, Paolo Bonzini wrote:
> From: Stefan Hajnoczi
>
> Use atomic_or() for atomic bitmaps where several threads may set bits at
> the same time. This avoids the race condition between threads loading
> an element, bitwise ORing, and then storing the element.
>
> When setting all
From: Stefan Hajnoczi
Use atomic_or() for atomic bitmaps where several threads may set bits at
the same time. This avoids the race condition between threads loading
an element, bitwise ORing, and then storing the element.
When setting all bits in a word we can avoid atomic ops and instead just
