Re: [PATCH bpf] bpf: fix rcu lockdep warning for lpm_trie map_free callback

2018-02-22 Thread Yonghong Song
On 2/22/18 5:37 AM, Eric Dumazet wrote: On Wed, 2018-02-21 at 22:38 -0800, Yonghong Song wrote: Commit 9a3efb6b661f ("bpf: fix memory leak in lpm_trie map_free callback function") fixed a memory leak and removed unnecessary locks in map_free callback function. Unfortrunately, it introduced a

Re: [PATCH bpf] bpf: fix rcu lockdep warning for lpm_trie map_free callback

2018-02-22 Thread kbuild test robot
Hi Yonghong, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on bpf/master] url: https://github.com/0day-ci/linux/commits/Yonghong-Song/bpf-fix-rcu-lockdep-warning-for-lpm_trie-map_free-callback/20180222-202658 base:

Re: [PATCH bpf] bpf: fix rcu lockdep warning for lpm_trie map_free callback

2018-02-22 Thread Eric Dumazet
On Wed, 2018-02-21 at 22:38 -0800, Yonghong Song wrote: > Commit 9a3efb6b661f ("bpf: fix memory leak in lpm_trie map_free callback > function") > fixed a memory leak and removed unnecessary locks in map_free callback > function. > Unfortrunately, it introduced a lockdep warning. When lockdep