Messages in this thread | | | Date | Sun, 30 Oct 2005 14:35:35 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: [patch 0/5] HW RNG cleanup & new drivers |
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On Sun, 30 Oct 2005, Deepak Saxena wrote: > > I think moving it to user space will add more complexity for > the case where the HW unit is shared with an in in-kernel driver.
Moving it to user space is just generally stupid.
Often, the random stuff comes from chipsets, not the CPU itself. Not user-accessible at all, and even if it were, it would be a bad idea to have user space do things the kernel does normally ("what northbridge do I have").
There may be use for a user-level library that handles the native CPU instructions for high performance, but that in no way negates the reason why /dev/random and friends exist in the first place.
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