From: kernel test robot <lkp@intel.com>
To: "Ahmed S. Darwish" <a.darwish@linutronix.de>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: [rt-devel:linux-5.15.y-rt-rebase 62/155] net/sched/sch_gred.c:902:13: warning: stack frame size (1184) exceeds limit (1024) in 'gred_destroy'
Date: Mon, 11 Oct 2021 18:35:00 +0800 [thread overview]
Message-ID: <202110111844.45x4OfWm-lkp@intel.com> (raw)
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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: f9f1cb3ac5916290046ad676c33789215f65f80c
commit: 4490e089355ef16ed18f0ff62a88803d70ddf469 [62/155] net: sched: Protect Qdisc::bstats with u64_stats
config: hexagon-randconfig-r002-20211011 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f95d9c95bbf4cf662b9a181245fc6dcede39f590)
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=4490e089355ef16ed18f0ff62a88803d70ddf469
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 4490e089355ef16ed18f0ff62a88803d70ddf469
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon
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:902:13: warning: stack frame size (1184) exceeds limit (1024) in 'gred_destroy' [-Wframe-larger-than]
static void gred_destroy(struct Qdisc *sch)
^
>> net/sched/sch_gred.c:310:13: warning: stack frame size (1184) exceeds limit (1024) in 'gred_offload' [-Wframe-larger-than]
static void gred_offload(struct Qdisc *sch, enum tc_gred_command command)
^
2 warnings generated.
vim +/gred_destroy +902 net/sched/sch_gred.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 901
^1da177e4c3f41 Linus Torvalds 2005-04-16 @902 static void gred_destroy(struct Qdisc *sch)
^1da177e4c3f41 Linus Torvalds 2005-04-16 903 {
^1da177e4c3f41 Linus Torvalds 2005-04-16 904 struct gred_sched *table = qdisc_priv(sch);
^1da177e4c3f41 Linus Torvalds 2005-04-16 905 int i;
^1da177e4c3f41 Linus Torvalds 2005-04-16 906
^1da177e4c3f41 Linus Torvalds 2005-04-16 907 for (i = 0; i < table->DPs; i++) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 908 if (table->tab[i])
6639607ed9deae Thomas Graf 2005-11-05 909 gred_destroy_vq(table->tab[i]);
^1da177e4c3f41 Linus Torvalds 2005-04-16 910 }
890d8d23ec3c9e Jakub Kicinski 2018-11-19 911 gred_offload(sch, TC_GRED_DESTROY);
^1da177e4c3f41 Linus Torvalds 2005-04-16 912 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 913
:::::: The code at line 902 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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reply other threads:[~2021-10-11 10:35 UTC|newest]
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