Messages in this thread | | | Date | Fri, 29 Jun 2018 04:02:08 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH bpf-next 08/14] bpf: introduce the bpf_get_local_storage() helper function |
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Hi Roman,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on bpf-next/master]
url: https://github.com/0day-ci/linux/commits/Roman-Gushchin/bpf-cgroup-local-storage/20180629-031527 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: i386-randconfig-x017-201825 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386
All warnings (new ones prefixed by >>):
kernel/bpf/helpers.c: In function '____bpf_get_local_storage': >> kernel/bpf/helpers.c:206:9: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] return (u64)this_cpu_read(bpf_cgroup_storage); ^
vim +206 kernel/bpf/helpers.c
198 199 BPF_CALL_2(bpf_get_local_storage, struct bpf_map *, map, u64, flags) 200 { 201 /* map and flags arguments are not used now, 202 * but provide an ability to extend the API 203 * for other types of local storages. 204 * verifier checks that their values are correct. 205 */ > 206 return (u64)this_cpu_read(bpf_cgroup_storage); 207 } 208
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