[rt-devel:linux-5.15.y-rt-rebase 62/155] net/sched/sch_gred.c:350:1: warning: the frame size of 1164 bytes is larger than 1024 bytes

[rt-devel:linux-5.15.y-rt-rebase 62/155] net/sched/sch_gred.c:350:1: warning: the frame size of 1164 bytes is larger than 1024 bytes

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.15.y-rt-rebase
head:   d2f311fe375d0cf3b1f03bae1251036c93741332
commit: 2b93dab38e67ca2c37938cea1ce007e6a74f4365 [62/155] net: sched: Protect Qdisc::bstats with u64_stats
config: openrisc-randconfig-r031-20211008 (attached as .config)
compiler: or1k-linux-gcc (GCC) 11.2.0
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/commit/?id=2b93dab38e67ca2c37938cea1ce007e6a74f4365
        git remote add rt-devel https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
        git fetch --no-tags rt-devel linux-5.15.y-rt-rebase
        git checkout 2b93dab38e67ca2c37938cea1ce007e6a74f4365
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=openrisc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   net/sched/sch_gred.c: In function 'gred_offload':
>> net/sched/sch_gred.c:350:1: warning: the frame size of 1164 bytes is larger than 1024 bytes [-Wframe-larger-than=]
     350 | }
         | ^


vim +350 net/sched/sch_gred.c

^1da177e4c3f41 Linus Torvalds 2005-04-16  309  
890d8d23ec3c9e Jakub Kicinski 2018-11-19  310  static void gred_offload(struct Qdisc *sch, enum tc_gred_command command)
890d8d23ec3c9e Jakub Kicinski 2018-11-19  311  {
890d8d23ec3c9e Jakub Kicinski 2018-11-19  312  	struct gred_sched *table = qdisc_priv(sch);
890d8d23ec3c9e Jakub Kicinski 2018-11-19  313  	struct net_device *dev = qdisc_dev(sch);
890d8d23ec3c9e Jakub Kicinski 2018-11-19  314  	struct tc_gred_qopt_offload opt = {
890d8d23ec3c9e Jakub Kicinski 2018-11-19  315  		.command	= command,
890d8d23ec3c9e Jakub Kicinski 2018-11-19  316  		.handle		= sch->handle,
890d8d23ec3c9e Jakub Kicinski 2018-11-19  317  		.parent		= sch->parent,
890d8d23ec3c9e Jakub Kicinski 2018-11-19  318  	};
890d8d23ec3c9e Jakub Kicinski 2018-11-19  319  
890d8d23ec3c9e Jakub Kicinski 2018-11-19  320  	if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc)
890d8d23ec3c9e Jakub Kicinski 2018-11-19  321  		return;
890d8d23ec3c9e Jakub Kicinski 2018-11-19  322  
890d8d23ec3c9e Jakub Kicinski 2018-11-19  323  	if (command == TC_GRED_REPLACE) {
890d8d23ec3c9e Jakub Kicinski 2018-11-19  324  		unsigned int i;
890d8d23ec3c9e Jakub Kicinski 2018-11-19  325  
890d8d23ec3c9e Jakub Kicinski 2018-11-19  326  		opt.set.grio_on = gred_rio_mode(table);
890d8d23ec3c9e Jakub Kicinski 2018-11-19  327  		opt.set.wred_on = gred_wred_mode(table);
890d8d23ec3c9e Jakub Kicinski 2018-11-19  328  		opt.set.dp_cnt = table->DPs;
890d8d23ec3c9e Jakub Kicinski 2018-11-19  329  		opt.set.dp_def = table->def;
890d8d23ec3c9e Jakub Kicinski 2018-11-19  330  
890d8d23ec3c9e Jakub Kicinski 2018-11-19  331  		for (i = 0; i < table->DPs; i++) {
890d8d23ec3c9e Jakub Kicinski 2018-11-19  332  			struct gred_sched_data *q = table->tab[i];
890d8d23ec3c9e Jakub Kicinski 2018-11-19  333  
890d8d23ec3c9e Jakub Kicinski 2018-11-19  334  			if (!q)
890d8d23ec3c9e Jakub Kicinski 2018-11-19  335  				continue;
890d8d23ec3c9e Jakub Kicinski 2018-11-19  336  			opt.set.tab[i].present = true;
890d8d23ec3c9e Jakub Kicinski 2018-11-19  337  			opt.set.tab[i].limit = q->limit;
890d8d23ec3c9e Jakub Kicinski 2018-11-19  338  			opt.set.tab[i].prio = q->prio;
890d8d23ec3c9e Jakub Kicinski 2018-11-19  339  			opt.set.tab[i].min = q->parms.qth_min >> q->parms.Wlog;
890d8d23ec3c9e Jakub Kicinski 2018-11-19  340  			opt.set.tab[i].max = q->parms.qth_max >> q->parms.Wlog;
890d8d23ec3c9e Jakub Kicinski 2018-11-19  341  			opt.set.tab[i].is_ecn = gred_use_ecn(q);
890d8d23ec3c9e Jakub Kicinski 2018-11-19  342  			opt.set.tab[i].is_harddrop = gred_use_harddrop(q);
890d8d23ec3c9e Jakub Kicinski 2018-11-19  343  			opt.set.tab[i].probability = q->parms.max_P;
890d8d23ec3c9e Jakub Kicinski 2018-11-19  344  			opt.set.tab[i].backlog = &q->backlog;
890d8d23ec3c9e Jakub Kicinski 2018-11-19  345  		}
890d8d23ec3c9e Jakub Kicinski 2018-11-19  346  		opt.set.qstats = &sch->qstats;
890d8d23ec3c9e Jakub Kicinski 2018-11-19  347  	}
890d8d23ec3c9e Jakub Kicinski 2018-11-19  348  
890d8d23ec3c9e Jakub Kicinski 2018-11-19  349  	dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_GRED, &opt);
890d8d23ec3c9e Jakub Kicinski 2018-11-19 @350  }
890d8d23ec3c9e Jakub Kicinski 2018-11-19  351  

:::::: The code at line 350 was first introduced by commit
:::::: 890d8d23ec3c9eca847be0593c0cf5f650b97271 net: sched: gred: add basic Qdisc offload

:::::: TO: Jakub Kicinski <jakub.kicinski@netronome.com>
:::::: CC: David S. Miller <davem@davemloft.net>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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