However, the advantage of giant lock is that it is easy to implement, and there is no need to modify many parts of the operating systems, thus giant lock approach is mostly used by operating systems to implement an initial support for SMP.
It is easy to implement. The advantage of giant lock is this. This is however. However, there is no need to modify many parts of the operating systems, thus giant lock approach is mostly used by operating systems. This was to implement an initial support for SMP.