tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 96144c58abe7ff767e754b5b80995f7b8846d49b commit: 39d010504e6b4485d7ceee167743620dd33f4417 net_sched: sch_fq: add horizon attribute date: 6 weeks ago :::::: branch date: 3 hours ago :::::: commit date: 6 weeks ago config: arm-randconfig-r006-20200614 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project c669a1ed6386d57a75a602b53266466dae1e1d84) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi git checkout 39d010504e6b4485d7ceee167743620dd33f4417 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>, old ones prefixed by <<): >> net/sched/sch_fq.c:966:12: warning: stack frame size of 1400 bytes in >> function 'fq_dump' [-Wframe-larger-than=] static int fq_dump(struct Qdisc *sch, struct sk_buff *skb) ^ 1 warning generated. # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=39d010504e6b4485d7ceee167743620dd33f4417 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git remote update linus git checkout 39d010504e6b4485d7ceee167743620dd33f4417 vim +/fq_dump +966 net/sched/sch_fq.c afe4fd062416b1 Eric Dumazet 2013-08-29 965 afe4fd062416b1 Eric Dumazet 2013-08-29 @966 static int fq_dump(struct Qdisc *sch, struct sk_buff *skb) afe4fd062416b1 Eric Dumazet 2013-08-29 967 { afe4fd062416b1 Eric Dumazet 2013-08-29 968 struct fq_sched_data *q = qdisc_priv(sch); 48872c11b77271 Eric Dumazet 2018-11-11 969 u64 ce_threshold = q->ce_threshold; 39d010504e6b44 Eric Dumazet 2020-05-01 970 u64 horizon = q->horizon; afe4fd062416b1 Eric Dumazet 2013-08-29 971 struct nlattr *opts; afe4fd062416b1 Eric Dumazet 2013-08-29 972 ae0be8de9a53cd Michal Kubecek 2019-04-26 973 opts = nla_nest_start_noflag(skb, TCA_OPTIONS); afe4fd062416b1 Eric Dumazet 2013-08-29 974 if (opts == NULL) afe4fd062416b1 Eric Dumazet 2013-08-29 975 goto nla_put_failure; afe4fd062416b1 Eric Dumazet 2013-08-29 976 65c5189a2b57b9 Eric Dumazet 2013-11-15 977 /* TCA_FQ_FLOW_DEFAULT_RATE is not used anymore */ 65c5189a2b57b9 Eric Dumazet 2013-11-15 978 48872c11b77271 Eric Dumazet 2018-11-11 979 do_div(ce_threshold, NSEC_PER_USEC); 39d010504e6b44 Eric Dumazet 2020-05-01 980 do_div(horizon, NSEC_PER_USEC); 48872c11b77271 Eric Dumazet 2018-11-11 981 afe4fd062416b1 Eric Dumazet 2013-08-29 982 if (nla_put_u32(skb, TCA_FQ_PLIMIT, sch->limit) || afe4fd062416b1 Eric Dumazet 2013-08-29 983 nla_put_u32(skb, TCA_FQ_FLOW_PLIMIT, q->flow_plimit) || afe4fd062416b1 Eric Dumazet 2013-08-29 984 nla_put_u32(skb, TCA_FQ_QUANTUM, q->quantum) || afe4fd062416b1 Eric Dumazet 2013-08-29 985 nla_put_u32(skb, TCA_FQ_INITIAL_QUANTUM, q->initial_quantum) || afe4fd062416b1 Eric Dumazet 2013-08-29 986 nla_put_u32(skb, TCA_FQ_RATE_ENABLE, q->rate_enable) || 76a9ebe811fb3d Eric Dumazet 2018-10-15 987 nla_put_u32(skb, TCA_FQ_FLOW_MAX_RATE, 76a9ebe811fb3d Eric Dumazet 2018-10-15 988 min_t(unsigned long, q->flow_max_rate, ~0U)) || f52ed89971adbe Eric Dumazet 2013-11-15 989 nla_put_u32(skb, TCA_FQ_FLOW_REFILL_DELAY, f52ed89971adbe Eric Dumazet 2013-11-15 990 jiffies_to_usecs(q->flow_refill_delay)) || 06eb395fa9856b Eric Dumazet 2015-02-04 991 nla_put_u32(skb, TCA_FQ_ORPHAN_MASK, q->orphan_mask) || 77879147a3481b Eric Dumazet 2016-09-19 992 nla_put_u32(skb, TCA_FQ_LOW_RATE_THRESHOLD, 77879147a3481b Eric Dumazet 2016-09-19 993 q->low_rate_threshold) || 48872c11b77271 Eric Dumazet 2018-11-11 994 nla_put_u32(skb, TCA_FQ_CE_THRESHOLD, (u32)ce_threshold) || 583396f4ca4d6e Eric Dumazet 2020-03-16 995 nla_put_u32(skb, TCA_FQ_BUCKETS_LOG, q->fq_trees_log) || 39d010504e6b44 Eric Dumazet 2020-05-01 996 nla_put_u32(skb, TCA_FQ_TIMER_SLACK, q->timer_slack) || 39d010504e6b44 Eric Dumazet 2020-05-01 997 nla_put_u32(skb, TCA_FQ_HORIZON, (u32)horizon) || 39d010504e6b44 Eric Dumazet 2020-05-01 998 nla_put_u8(skb, TCA_FQ_HORIZON_DROP, q->horizon_drop)) afe4fd062416b1 Eric Dumazet 2013-08-29 999 goto nla_put_failure; afe4fd062416b1 Eric Dumazet 2013-08-29 1000 d59b7d8059ddc4 Yang Yingliang 2014-03-12 1001 return nla_nest_end(skb, opts); afe4fd062416b1 Eric Dumazet 2013-08-29 1002 afe4fd062416b1 Eric Dumazet 2013-08-29 1003 nla_put_failure: afe4fd062416b1 Eric Dumazet 2013-08-29 1004 return -1; afe4fd062416b1 Eric Dumazet 2013-08-29 1005 } afe4fd062416b1 Eric Dumazet 2013-08-29 1006 :::::: The code at line 966 was first introduced by commit :::::: afe4fd062416b158a8a8538b23adc1930a9b88dc pkt_sched: fq: Fair Queue packet scheduler :::::: TO: Eric Dumazet <eduma...@google.com> :::::: CC: David S. Miller <da...@davemloft.net> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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