tree:
https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git tip-x86-sgx
head: 56e2d0eff4f8db87cf77d9c8481041878177c680
commit: 4b634f57cac2e1d28cfa0ca961e561362fc3f957 [11/25] x86/sgx: Add an SGX misc driver
interface
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
#
https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git/commit/?id=4b63...
git remote add bp
https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git
git fetch --no-tags bp tip-x86-sgx
git checkout 4b634f57cac2e1d28cfa0ca961e561362fc3f957
# save the attached .config to linux build tree
make W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
In file included from arch/x86/kernel/cpu/sgx/driver.c:11:
arch/x86/kernel/cpu/sgx/encl.h: In function 'sgx_encl_find':
> arch/x86/kernel/cpu/sgx/encl.h:45:19: warning: variable
'encl' set but not used [-Wunused-but-set-variable]
45 | struct
sgx_encl *encl;
| ^~~~
vim +/encl +45 arch/x86/kernel/cpu/sgx/encl.h
40
41 static inline int sgx_encl_find(struct mm_struct *mm, unsigned long addr,
42 struct vm_area_struct **vma)
43 {
44 struct vm_area_struct *result;
45 struct sgx_encl *encl;
46
47 result = find_vma(mm, addr);
48 if (!result || result->vm_ops != &sgx_vm_ops || addr <
result->vm_start)
49 return -EINVAL;
50
51 encl = result->vm_private_data;
52 *vma = result;
53
54 return 0;
55 }
56
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org