Messages in this thread |  | | Date | Thu, 30 Jun 2022 15:06:31 +0200 | From | "Jason A. Donenfeld" <> | Subject | Re: [PATCH v4] timekeeping: contribute wall clock to rng on time change |
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Hi Thomas,
On Thu, Jun 23, 2022 at 12:36:23PM -0700, Eric Biggers wrote: > On Thu, Jun 23, 2022 at 09:12:49PM +0200, Jason A. Donenfeld wrote: > > The rng's random_init() function contributes the real time to the rng at > > boot time, so that events can at least start in relation to something > > particular in the real world. But this clock might not yet be set that > > point in boot, so nothing is contributed. In addition, the relation > > between minor clock changes from, say, NTP, and the cycle counter is > > potentially useful entropic data. > > > > This commit addresses this by mixing in a time stamp on calls to > > settimeofday and adjtimex. No entropy is credited in doing so, so it > > doesn't make initialization faster, but it is still useful input to > > have. > > > > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") > > Cc: stable@vger.kernel.org > > Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> > > --- > > kernel/time/timekeeping.c | 7 ++++++- > > 1 file changed, 6 insertions(+), 1 deletion(-) > > Reviewed-by: Eric Biggers <ebiggers@google.com>
Thought I should bump this patch in case you missed it.
Jason
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