According to the comment above rcu_cpu_has_callbacks(): "If there are no callbacks, all of them are deemed to be lazy".
So when both 'hc' and 'al' are false, '*all_lazy' should be true, not false. Signed-off-by: Chen Gang <gang.c...@asianux.com> --- kernel/rcutree.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/rcutree.c b/kernel/rcutree.c index 5b53a89..9ee9565 100644 --- a/kernel/rcutree.c +++ b/kernel/rcutree.c @@ -2725,7 +2725,7 @@ static int rcu_cpu_has_callbacks(int cpu, bool *all_lazy) hc = true; } if (all_lazy) - *all_lazy = al; + *all_lazy = !hc ? true : al; return hc; } -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/