From: kernel test robot <lkp@intel.com>
To: Jarkko Sakkinen <jarkko@kernel.org>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org, Borislav Petkov <bp@suse.de>,
Sean Christopherson <sean.j.christopherson@intel.com>
Subject: [bp:tip-x86-sgx 11/25] arch/x86/kernel/cpu/sgx/encl.h:45:19: warning: variable 'encl' set but not used
Date: Thu, 30 Sep 2021 10:30:13 +0800 [thread overview]
Message-ID: <202109301005.3kzC97IQ-lkp@intel.com> (raw)
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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-randconfig-a014-20210929 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 28981015526f2192440c18f18e8a20cd11b0779c)
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/bp/bp.git/commit/?id=4b634f57cac2e1d28cfa0ca961e561362fc3f957
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
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
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 >>):
In file included from arch/x86/kernel/cpu/sgx/driver.c:11:
>> arch/x86/kernel/cpu/sgx/encl.h:45:19: warning: variable 'encl' set but not used [-Wunused-but-set-variable]
struct sgx_encl *encl;
^
1 warning generated.
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
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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [bp:tip-x86-sgx 11/25] arch/x86/kernel/cpu/sgx/encl.h:45:19: warning: variable 'encl' set but not used
Date: Thu, 30 Sep 2021 10:30:13 +0800 [thread overview]
Message-ID: <202109301005.3kzC97IQ-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 2122 bytes --]
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-randconfig-a014-20210929 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 28981015526f2192440c18f18e8a20cd11b0779c)
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/bp/bp.git/commit/?id=4b634f57cac2e1d28cfa0ca961e561362fc3f957
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
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
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 >>):
In file included from arch/x86/kernel/cpu/sgx/driver.c:11:
>> arch/x86/kernel/cpu/sgx/encl.h:45:19: warning: variable 'encl' set but not used [-Wunused-but-set-variable]
struct sgx_encl *encl;
^
1 warning generated.
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(a)lists.01.org
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next reply other threads:[~2021-09-30 2:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-30 2:30 kernel test robot [this message]
2021-09-30 2:30 ` [bp:tip-x86-sgx 11/25] arch/x86/kernel/cpu/sgx/encl.h:45:19: warning: variable 'encl' set but not used kernel test robot
-- strict thread matches above, loose matches on Subject: below --
2020-11-18 3:23 kernel test robot
2020-11-18 10:42 ` Borislav Petkov
2020-11-18 15:01 ` Jarkko Sakkinen
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