![]() ![]() (Based on an original patch by Linus, but significantly modified by ![]() ThisĪssures that /dev/urandom is returning unpredictable data as soon as Initialized before we start feeding the normal input pool. Also, we make sure the the nonblocking pool used by urandom is To just once a second or after 64 interrupts, whicever comes first.ĭuring that time, the interrupt cycle data is buffered up in a per-cpu This solves both problems by limiting the actual randomness addition Reasons: it's too expensive to do on every interrupt, and flooding theĬPU with interrupts could theoretically cause bogus floods of entropyįrom a somewhat externally controllable source. ![]() We've been moving away from add_interrupt_randomness() for various If you see a problem with using this for longterm, please comment.Ĭommit 775f4b297b780601e61787b766f306ed3e1d23eb upstream. This is a commit scheduled for the next v2.6.34 longterm release. Subject: random: make 'add_interrupt_randomness()' do something saneĭate: Wed, 15:48:15 -0400 Random: make 'add_interrupt_randomness()' do something sane - Paul Gortmaker archive mirror help / color / mirror / Atom feed From: Paul Gortmaker ![]()
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