cvs-reuse-cvs-buffer

cvs-reuse-cvs-buffer is a variable defined in `pcvs-defs.el'.
Its value is

subdir

Documentation:
When to reuse an existing cvs buffer.
Alternatives are:
`current': just reuse the current buffer if it is a cvs buffer
`samedir': reuse any cvs buffer displaying the same directory
`subdir': or reuse any cvs buffer displaying any sub- or super- directory
`always': reuse any cvs buffer.

You can customize this variable.