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Linus Torvalds Tactfully Discusses Value of getrandom() Upgrade for Linux vDSO

Linux's vDSO (or virtual dynamic shared object) is "a small shared library that the kernel automatically maps into the address space of all user-space applications," according to its man page. "There are some system calls the kernel provides that user-space code ends up using frequently, to the po...

In other words, I want to see actual *users* piping up and saying "this is a problem, here's my real load that spends 10% of time on getrandom(), and this fixes it". One final note: the reason I'm so negative about this all is that the random number subsystem has such an absolutely _horrendous_ history of two main conflicting issues: people wanting reasonable usable random numbers on one side, and then the people that discuss what the word "entropy" means on the other side. And honestly, I don't want the kernel stuck even *more* in the middle of that morass.... Torvalds made additional comments.

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