On Thu, 2013-01-24 at 17:45 +0100, Andi Kleen wrote: > > > > > + uint32_t *__gtm_global_lock; > > > > Same, and rearrange the serial lock's fields (see below). > > My understanding is that C++ makes no guarantees of class layout. > That is why i ended up not relying on the layout.
gtm_rwlock is a POD type, so you get the guarantees that C would provide. Torvald
