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| author | Ingo Molnar <mingo@kernel.org> | 2013-12-19 13:56:10 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-12-19 13:56:10 +0100 |
| commit | 3331e924e7c5b98d245531b181551cb2a7380d0e (patch) | |
| tree | 25c4432afd79bedc1e8941415166a5cef0c168fb /lib/random32.c | |
| parent | fd8526ad14c182605e42b64646344b95befd9f94 (diff) | |
| parent | 319e2e3f63c348a9b66db4667efa73178e18b17d (diff) | |
| download | op-kernel-dev-3331e924e7c5b98d245531b181551cb2a7380d0e.zip op-kernel-dev-3331e924e7c5b98d245531b181551cb2a7380d0e.tar.gz | |
Merge tag 'v3.13-rc4' into x86/mm
Pick up the latest fixes before applying new patches.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/random32.c')
| -rw-r--r-- | lib/random32.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/random32.c b/lib/random32.c index 82da4f4..1e5b2df 100644 --- a/lib/random32.c +++ b/lib/random32.c @@ -214,18 +214,22 @@ static DEFINE_TIMER(seed_timer, __prandom_timer, 0, 0); static void __prandom_timer(unsigned long dontcare) { u32 entropy; + unsigned long expires; get_random_bytes(&entropy, sizeof(entropy)); prandom_seed(entropy); + /* reseed every ~60 seconds, in [40 .. 80) interval with slack */ - seed_timer.expires = jiffies + (40 * HZ + (prandom_u32() % (40 * HZ))); + expires = 40 + (prandom_u32() % 40); + seed_timer.expires = jiffies + msecs_to_jiffies(expires * MSEC_PER_SEC); + add_timer(&seed_timer); } -static void prandom_start_seed_timer(void) +static void __init __prandom_start_seed_timer(void) { set_timer_slack(&seed_timer, HZ); - seed_timer.expires = jiffies + 40 * HZ; + seed_timer.expires = jiffies + msecs_to_jiffies(40 * MSEC_PER_SEC); add_timer(&seed_timer); } @@ -270,7 +274,7 @@ void prandom_reseed_late(void) static int __init prandom_reseed(void) { __prandom_reseed(false); - prandom_start_seed_timer(); + __prandom_start_seed_timer(); return 0; } late_initcall(prandom_reseed); |
