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Should it be static? Message-ID: <202512120735.5wlwDYyC-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d358e5254674b70f34c847715ca509e46eb81e6f commit: 7a2dafda950b78611dc441c83d105dfdc7082681 bpf: net_sched: Add a qdisc watchdog timer date: 8 months ago config: s390-randconfig-r122-20251211 (https://download.01.org/0day-ci/archive/20251212/202512120735.5wlwDYyC-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251212/202512120735.5wlwDYyC-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202512120735.5wlwDYyC-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> net/sched/bpf_qdisc.c:224:18: sparse: sparse: symbol 'bpf_qdisc_init_prologue' was not declared. Should it be static? >> net/sched/bpf_qdisc.c:234:18: sparse: sparse: symbol 'bpf_qdisc_reset_destroy_epilogue' was not declared. Should it be static? vim +/bpf_qdisc_init_prologue +224 net/sched/bpf_qdisc.c 184 185 /* bpf_skb_get_hash - Get the flow hash of an skb. 186 * @skb: The skb to get the flow hash from. 187 */ > 188 __bpf_kfunc u32 bpf_skb_get_hash(struct sk_buff *skb) 189 { 190 return skb_get_hash(skb); 191 } 192 193 /* bpf_kfree_skb - Release an skb's reference and drop it immediately. 194 * @skb: The skb whose reference to be released and dropped. 195 */ 196 __bpf_kfunc void bpf_kfree_skb(struct sk_buff *skb) 197 { 198 kfree_skb(skb); 199 } 200 201 /* bpf_qdisc_skb_drop - Drop an skb by adding it to a deferred free list. 202 * @skb: The skb whose reference to be released and dropped. 203 * @to_free_list: The list of skbs to be dropped. 204 */ 205 __bpf_kfunc void bpf_qdisc_skb_drop(struct sk_buff *skb, 206 struct bpf_sk_buff_ptr *to_free_list) 207 { 208 __qdisc_drop(skb, (struct sk_buff **)to_free_list); 209 } 210 211 /* bpf_qdisc_watchdog_schedule - Schedule a qdisc to a later time using a timer. 212 * @sch: The qdisc to be scheduled. 213 * @expire: The expiry time of the timer. 214 * @delta_ns: The slack range of the timer. 215 */ 216 __bpf_kfunc void bpf_qdisc_watchdog_schedule(struct Qdisc *sch, u64 expire, u64 delta_ns) 217 { 218 struct bpf_sched_data *q = qdisc_priv(sch); 219 220 qdisc_watchdog_schedule_range_ns(&q->watchdog, expire, delta_ns); 221 } 222 223 /* bpf_qdisc_init_prologue - Hidden kfunc called in prologue of .init. */ > 224 __bpf_kfunc void bpf_qdisc_init_prologue(struct Qdisc *sch) 225 { 226 struct bpf_sched_data *q = qdisc_priv(sch); 227 228 qdisc_watchdog_init(&q->watchdog, sch); 229 } 230 231 /* bpf_qdisc_reset_destroy_epilogue - Hidden kfunc called in epilogue of .reset 232 * and .destroy 233 */ > 234 __bpf_kfunc void bpf_qdisc_reset_destroy_epilogue(struct Qdisc *sch) 235 { 236 struct bpf_sched_data *q = qdisc_priv(sch); 237 238 qdisc_watchdog_cancel(&q->watchdog); 239 } 240 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki