At 14:49 +0100 on 05 May (1430837355), Ian Campbell wrote:
> On Thu, 2015-04-30 at 16:33 +0100, David Vrabel wrote:
> > add_sized(ptr, inc) adds inc to the value at ptr using only the correct
> > size of loads and stores for the type of *ptr.  The add is /not/ atomic.
> 
> atomic.h is an odd place for it then ;-)

The reads and writes _are_ atomic, though.  It's just that the whole
r/m/w is not.

Tim.

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel

Reply via email to