Am Tue, May 03, 2022 at 09:51:41PM +0200 schrieb Jason A. Donenfeld: > The add_hwgenerator_randomness() function is called in a loop from a > kthread by the hwgenerator core. It's supposed to sleep when there's > nothing to do, and wake up periodically for more entropy. Right now it > receives entropy, sleeps, and then mixes it in. This commit reverses the > order, so that it always mixes in entropy sooner and sleeps after. This > way the entropy is more fresh. ... however, the hwgenerator may take quite some time to accumulate entropy after wakeup. So now we might have a delay between a wakeup ("we need more entropy!") and that entropy becoming available. Beforehand, the thread only went to sleep when there is no current need for "fresh" entropy. Thanks, Dominik