On Wed, 2015-01-07 at 16:37 +0000, Ian Jackson wrote: > > As the result of the hypercall is going to be the same, the > > worse that a race could achieve is a wasted hypercall. > > This kind of analysis is unfounded in the presence of modern compilers > with aggressive optimisations. At the very least, if you're going to > do some caching like this, it needs a lock around it.
Even for a hypercall which is just "return 42" (at least between boots)? Ian. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
