> Alexander Graf wrote: > > They should be atomic. TCG SMP swaps between different vCPUs only > > after translation blocks are done. In fact, the only way I'm aware > > of to stop the execution of a TB mid-way is a page fault. > > A page fault would interrupt it if the atomic is implemented as > a read followed by a write, and the write faults.
Yes, but in that case the whole instruction should be abandoned. Paul
