As I have seen thus far, China is working openly with the open source projects to get their changes upstream into the Linux Kernel, glibc & tools, and other applications.
I even have a port of Open Grid Scheduler (Grid Engine fork, a batch scheduler for HPC clusters) for Loongson:
Slashdot Mirror
The Loongson 2E & 2F processors have flaws, but it's not like the Chinese is hiding anything.
One of the flaws is this one, and there is a software workaround for it: http://bugs.gentoo.org/show_bug.cgi?id=338405
As I have seen thus far, China is working openly with the open source projects to get their changes upstream into the Linux Kernel, glibc & tools, and other applications.
I even have a port of Open Grid Scheduler (Grid Engine fork, a batch scheduler for HPC clusters) for Loongson:
http://gridscheduler.sourceforge.net/