* [jgunthorpe:iommufd 7/9] drivers/iommu/iommufd/selftest.c:204:1: warning: the frame size of 1052 bytes is larger than 1024 bytes
@ 2021-12-03 21:35 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-12-03 21:35 UTC (permalink / raw)
To: Jason Gunthorpe; +Cc: kbuild-all, linux-kernel
tree: https://github.com/jgunthorpe/linux iommufd
head: adaf58fcdccd96a03a9d6783e08303612fa3da85
commit: 947b2f74edc5dcad1f9532abd9bdd42a25a00490 [7/9] iommufd: Add a selftest
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20211204/202112040504.mo85qmGT-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/jgunthorpe/linux/commit/947b2f74edc5dcad1f9532abd9bdd42a25a00490
git remote add jgunthorpe https://github.com/jgunthorpe/linux
git fetch --no-tags jgunthorpe iommufd
git checkout 947b2f74edc5dcad1f9532abd9bdd42a25a00490
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/iommu/iommufd/
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 >>):
drivers/iommu/iommufd/selftest.c: In function 'iommufd_test_mock_domain.isra.0':
>> drivers/iommu/iommufd/selftest.c:204:1: warning: the frame size of 1052 bytes is larger than 1024 bytes [-Wframe-larger-than=]
204 | }
| ^
vim +204 drivers/iommu/iommufd/selftest.c
181
182 /* Create an hw_pagetable with the mock domain so we can test the domain ops */
183 static int iommufd_test_mock_domain(struct iommufd_ucmd *ucmd,
184 struct iommu_test_cmd *cmd)
185 {
186 struct bus_type mock_bus = {.iommu_ops = &domain_mock_ops};
187 struct device mock_dev = {.bus = &mock_bus};
188 struct iommufd_hw_pagetable *hwpt;
189
190 hwpt = iommufd_hw_pagetable_from_id(ucmd->ictx, cmd->id, &mock_dev);
191 if (IS_ERR(hwpt))
192 return PTR_ERR(hwpt);
193 if (WARN_ON(refcount_read(&hwpt->obj.users) != 1)) {
194 iommufd_hw_pagetable_put(ucmd->ictx, hwpt);
195 return -EINVAL;
196 }
197
198 /* Convert auto domain to user created */
199 list_del_init(&hwpt->auto_domains_item);
200
201 /* Leak on error */
202 cmd->id = hwpt->obj.id;
203 return iommufd_ucmd_respond(ucmd, sizeof(*cmd));
> 204 }
205
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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