drivers/of/unittest.c:910:1: warning: the frame size of 1424 bytes is larger than 1024 bytes

From: kernel test robot
Date: Thu Nov 18 2021 - 16:11:31 EST

Hi Jim,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 42eb8fdac2fc5d62392dcfcf0253753e821a97b0
commit: e0d072782c734d27f5af062c62266f2598f68542 dma-mapping: introduce DMA range map, supplanting dma_pfn_offset
date: 1 year, 2 months ago
config: powerpc64-randconfig-r012-20211118 (attached as .config)
compiler: powerpc64-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/torvalds/linux.git/commit/?id=e0d072782c734d27f5af062c62266f2598f68542
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout e0d072782c734d27f5af062c62266f2598f68542
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=powerpc

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

All warnings (new ones prefixed by >>):

drivers/of/unittest.c: In function 'of_unittest_dma_ranges_one.constprop':
>> drivers/of/unittest.c:910:1: warning: the frame size of 1424 bytes is larger than 1024 bytes [-Wframe-larger-than=]
910 | }
| ^

Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for HOTPLUG_PCI_POWERNV
Depends on PCI && HOTPLUG_PCI && PPC_POWERNV && EEH
Selected by
- OCXL && PPC_POWERNV && PCI && EEH


vim +910 drivers/of/unittest.c

201c910bd6898d8 drivers/of/selftest.c Pantelis Antoniou 2014-07-04 871
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 872 static void __init of_unittest_dma_ranges_one(const char *path,
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 873 u64 expect_dma_addr, u64 expect_paddr)
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 874 {
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 875 #ifdef CONFIG_HAS_DMA
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 876 struct device_node *np;
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 877 const struct bus_dma_region *map = NULL;
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 878 int rc;
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 879
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 880 np = of_find_node_by_path(path);
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 881 if (!np) {
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 882 pr_err("missing testcase data\n");
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 883 return;
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 884 }
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 885
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 886 rc = of_dma_get_range(np, &map);
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 887
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 888 unittest(!rc, "of_dma_get_range failed on node %pOF rc=%i\n", np, rc);
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 889
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 890 if (!rc) {
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 891 phys_addr_t paddr;
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 892 dma_addr_t dma_addr;
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 893 struct device dev_bogus;
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 894
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 895 dev_bogus.dma_range_map = map;
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 896 paddr = dma_to_phys(&dev_bogus, expect_dma_addr);
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 897 dma_addr = phys_to_dma(&dev_bogus, expect_paddr);
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 898
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 899 unittest(paddr == expect_paddr,
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 900 "of_dma_get_range: wrong phys addr %pap (expecting %llx) on node %pOF\n",
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 901 &paddr, expect_paddr, np);
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 902 unittest(dma_addr == expect_dma_addr,
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 903 "of_dma_get_range: wrong DMA addr %pad (expecting %llx) on node %pOF\n",
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 904 &dma_addr, expect_dma_addr, np);
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 905
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 906 kfree(map);
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 907 }
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 908 of_node_put(np);
e0d072782c734d2 drivers/of/unittest.c Jim Quinlan 2020-09-17 909 #endif
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 @910 }
04db93a95aef392 drivers/of/unittest.c Rob Herring 2019-09-20 911

:::::: The code at line 910 was first introduced by commit
:::::: 04db93a95aef392a98f9ffa8745da2e7c58ba75b of/unittest: Add dma-ranges address translation tests

:::::: TO: Rob Herring <robh@xxxxxxxxxx>
:::::: CC: Rob Herring <robh@xxxxxxxxxx>

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

Attachment: .config.gz
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