With gcc-4.8 I get:
CC kernel/rcutree.o
kernel/rcutree.c: In function ‘rcu_init_one’:
kernel/rcutree.c:2850:13: warning: array subscript is above array bounds
[-Warray-bounds]
rsp->level[i] = rsp->level[i - 1] + rsp->levelcnt[i - 1];
^
2849 for (i = 1; i < rcu_num_lvls; i++)
2850 rsp->level[i] = rsp->level[i - 1] + rsp->levelcnt[i - 1];
At first I thought that the warning was bogus, but rcu_num_lvls isn't static
and gets modified prior to the for loop.
--
Markus
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