> On Apr 18, 2019, at 13:48, Conrad Meyer <c...@freebsd.org> wrote: > > Author: cem > Date: Thu Apr 18 20:48:54 2019 > New Revision: 346358 > URL: https://svnweb.freebsd.org/changeset/base/346358 > > Log: > random(4): Restore availability tradeoff prior to r346250 > > As discussed in that commit message, it is a dangerous default. But the > safe default causes enough pain on a variety of platforms that for now, > restore the prior default. > > Some of this is self-induced pain we should/could do better about; for > example, programmatic CI systems and VM managers should introduce entropy > from the host for individual VM instances. This is considered a future work > item. > > On modern x86 and Power9 systems, this may be wholly unnecessary after > D19928 lands (even in the non-ideal case where early /boot/entropy is > unavailable), because they have fast hardware random sources available early > in boot. But D19928 is not yet landed and we have a host of architectures > which do not provide fast random sources. > > This change adds several tunables and diagnostic sysctls, documented > thoroughly in UPDATING and sys/dev/random/random_infra.c.
Thank you for doing this Conrad! One request: can these sysctls/tunables please be documented in random(4)? Not everyone has access to UPDATING with binary distributions. Thank you so very much! -Enji _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"