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A comment on Fixing Getrandom(). Parent comment

Re:Fixing Getrandom() by magicalhippo on Tuesday October 01, 2019 @07:14PM (#21131914)
It's also said that adding entropy to the pool can never make it worse, no? So why not just add it anyway. If you get to replace it, great! If not, well you tried.
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Re:Fixing Getrandom() by bonzini on Wednesday October 02, 2019 @03:14AM (#21134043)
Yes, but you should not credit the entropy you added if you're not sure it's never been used before. And you need to credit it to avoid hangs.
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