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| author | David S. Miller <davem@davemloft.net> | 2020-08-02 01:02:12 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-02 01:02:12 -0700 |
| commit | bd0b33b24897ba9ddad221e8ac5b6f0e38a2e004 (patch) | |
| tree | 3f03062a9e759dba7b09df0feccbb58b8f7ab4cc /kernel/time/timer.c | |
| parent | 7126bd5c8bcbc015cf89864cf71d750e8f33f924 (diff) | |
| parent | ac3a0c8472969a03c0496ae774b3a29eb26c8d5a (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Resolved kernel/bpf/btf.c using instructions from merge commit
69138b34a7248d2396ab85c8652e20c0c39beaba
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/time/timer.c')
| -rw-r--r-- | kernel/time/timer.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/time/timer.c b/kernel/time/timer.c index df1ff803acc4..026ac01af9da 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -43,6 +43,7 @@ #include <linux/sched/debug.h> #include <linux/slab.h> #include <linux/compat.h> +#include <linux/random.h> #include <linux/uaccess.h> #include <asm/unistd.h> @@ -1742,6 +1743,13 @@ void update_process_times(int user_tick) scheduler_tick(); if (IS_ENABLED(CONFIG_POSIX_TIMERS)) run_posix_cpu_timers(); + + /* The current CPU might make use of net randoms without receiving IRQs + * to renew them often enough. Let's update the net_rand_state from a + * non-constant value that's not affine to the number of calls to make + * sure it's updated when there's some activity (we don't care in idle). + */ + this_cpu_add(net_rand_state.s1, rol32(jiffies, 24) + user_tick); } /** |