From: kernel test robot <lkp@intel.com> To: Abhishek Bhardwaj <abhishekbh@google.com>, LKML <linux-kernel@vger.kernel.org> Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com, Abhishek Bhardwaj <abhishekbh@google.com>, Anthony Steinhauser <asteinhauser@google.com>, Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>, Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>, Josh Poimboeuf <jpoimboe@redhat.com>, Mark Gross <mgross@linux.intel.com> Subject: Re: [PATCH] x86/speculation/l1tf: Add KConfig for setting the L1D cache flush mode Date: Fri, 3 Jul 2020 05:33:01 +0800 [thread overview] Message-ID: <202007030518.kO52eoJ9%lkp@intel.com> (raw) In-Reply-To: <20200702161916.2456342-1-abhishekbh@google.com> [-- Attachment #1: Type: text/plain, Size: 2916 bytes --] Hi Abhishek, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tip/auto-latest] [also build test WARNING on linux/master tip/x86/core kvm/linux-next linus/master v5.8-rc3 next-20200702] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Abhishek-Bhardwaj/x86-speculation-l1tf-Add-KConfig-for-setting-the-L1D-cache-flush-mode/20200703-002135 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 7e44a91e0445a854af5d34ca0f5baceccd518e73 config: x86_64-defconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 003a086ffc0d1affbb8300b36225fb8150a2d40a) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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 >>): >> arch/x86/kernel/cpu/bugs.c:1402:6: warning: 'CONFIG_KVM_VMENTRY_L1D_FLUSH' is not defined, evaluates to 0 [-Wundef] #if (CONFIG_KVM_VMENTRY_L1D_FLUSH == 1) ^ arch/x86/kernel/cpu/bugs.c:1404:8: warning: 'CONFIG_KVM_VMENTRY_L1D_FLUSH' is not defined, evaluates to 0 [-Wundef] #elif (CONFIG_KVM_VMENTRY_L1D_FLUSH == 2) ^ arch/x86/kernel/cpu/bugs.c:1406:8: warning: 'CONFIG_KVM_VMENTRY_L1D_FLUSH' is not defined, evaluates to 0 [-Wundef] #elif (CONFIG_KVM_VMENTRY_L1D_FLUSH == 3) ^ 3 warnings generated. vim +/CONFIG_KVM_VMENTRY_L1D_FLUSH +1402 arch/x86/kernel/cpu/bugs.c 1396 1397 /* Default mitigation for L1TF-affected CPUs */ 1398 enum l1tf_mitigations l1tf_mitigation __ro_after_init = L1TF_MITIGATION_FLUSH; 1399 #if IS_ENABLED(CONFIG_KVM_INTEL) 1400 EXPORT_SYMBOL_GPL(l1tf_mitigation); 1401 #endif > 1402 #if (CONFIG_KVM_VMENTRY_L1D_FLUSH == 1) 1403 enum vmx_l1d_flush_state l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_NEVER; 1404 #elif (CONFIG_KVM_VMENTRY_L1D_FLUSH == 2) 1405 enum vmx_l1d_flush_state l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_COND; 1406 #elif (CONFIG_KVM_VMENTRY_L1D_FLUSH == 3) 1407 enum vmx_l1d_flush_state l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_ALWAYS; 1408 #else 1409 enum vmx_l1d_flush_state l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_AUTO; 1410 #endif 1411 EXPORT_SYMBOL_GPL(l1tf_vmx_mitigation); 1412 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org [-- Attachment #2: .config.gz --] [-- Type: application/gzip, Size: 29462 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com> To: kbuild-all@lists.01.org Subject: Re: [PATCH] x86/speculation/l1tf: Add KConfig for setting the L1D cache flush mode Date: Fri, 03 Jul 2020 05:33:01 +0800 [thread overview] Message-ID: <202007030518.kO52eoJ9%lkp@intel.com> (raw) In-Reply-To: <20200702161916.2456342-1-abhishekbh@google.com> [-- Attachment #1: Type: text/plain, Size: 2979 bytes --] Hi Abhishek, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tip/auto-latest] [also build test WARNING on linux/master tip/x86/core kvm/linux-next linus/master v5.8-rc3 next-20200702] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Abhishek-Bhardwaj/x86-speculation-l1tf-Add-KConfig-for-setting-the-L1D-cache-flush-mode/20200703-002135 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 7e44a91e0445a854af5d34ca0f5baceccd518e73 config: x86_64-defconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 003a086ffc0d1affbb8300b36225fb8150a2d40a) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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 >>): >> arch/x86/kernel/cpu/bugs.c:1402:6: warning: 'CONFIG_KVM_VMENTRY_L1D_FLUSH' is not defined, evaluates to 0 [-Wundef] #if (CONFIG_KVM_VMENTRY_L1D_FLUSH == 1) ^ arch/x86/kernel/cpu/bugs.c:1404:8: warning: 'CONFIG_KVM_VMENTRY_L1D_FLUSH' is not defined, evaluates to 0 [-Wundef] #elif (CONFIG_KVM_VMENTRY_L1D_FLUSH == 2) ^ arch/x86/kernel/cpu/bugs.c:1406:8: warning: 'CONFIG_KVM_VMENTRY_L1D_FLUSH' is not defined, evaluates to 0 [-Wundef] #elif (CONFIG_KVM_VMENTRY_L1D_FLUSH == 3) ^ 3 warnings generated. vim +/CONFIG_KVM_VMENTRY_L1D_FLUSH +1402 arch/x86/kernel/cpu/bugs.c 1396 1397 /* Default mitigation for L1TF-affected CPUs */ 1398 enum l1tf_mitigations l1tf_mitigation __ro_after_init = L1TF_MITIGATION_FLUSH; 1399 #if IS_ENABLED(CONFIG_KVM_INTEL) 1400 EXPORT_SYMBOL_GPL(l1tf_mitigation); 1401 #endif > 1402 #if (CONFIG_KVM_VMENTRY_L1D_FLUSH == 1) 1403 enum vmx_l1d_flush_state l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_NEVER; 1404 #elif (CONFIG_KVM_VMENTRY_L1D_FLUSH == 2) 1405 enum vmx_l1d_flush_state l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_COND; 1406 #elif (CONFIG_KVM_VMENTRY_L1D_FLUSH == 3) 1407 enum vmx_l1d_flush_state l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_ALWAYS; 1408 #else 1409 enum vmx_l1d_flush_state l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_AUTO; 1410 #endif 1411 EXPORT_SYMBOL_GPL(l1tf_vmx_mitigation); 1412 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org [-- Attachment #2: config.gz --] [-- Type: application/gzip, Size: 29462 bytes --]
next prev parent reply other threads:[~2020-07-02 21:33 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-02 16:19 [PATCH] x86/speculation/l1tf: Add KConfig for setting the L1D cache flush mode Abhishek Bhardwaj 2020-07-02 21:33 ` kernel test robot [this message] 2020-07-02 21:33 ` kernel test robot 2020-07-03 6:25 ` kernel test robot 2020-07-03 6:25 ` kernel test robot 2020-07-06 15:01 ` mark gross 2020-07-02 19:34 kernel test robot
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