On Thu, 2015-05-28 at 21:50 +0800, Herbert Xu wrote: > This patch is indeed bogus but accessing an RCU-protected like > this will trigger sparse warnings. So better make it an > RCU_INIT_POINTER.
A = B; is perfectly fine since both A and B have the same __rcu attribute. Sparse has no warning and should not. root@edumazet-glaptop2:/usr/src/net# grep CONFIG_SPARSE_RCU_POINTER .config CONFIG_SPARSE_RCU_POINTER=y root@edumazet-glaptop2:/usr/src/net# make C=2 CF=-D__CHECK_ENDIAN__ net/core/neighbour.o ... CHECK net/core/neighbour.c -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
