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Sat, 19 Mar 2022 04:09:59 +0000 Date: Sat, 19 Mar 2022 12:09:50 +0800 From: kernel test robot To: Nick Desaulniers Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Peter Zijlstra Subject: [peterz-queue:locking/core 17/19] arch/x86/kvm/x86.h:29:30: error: too many arguments to function call, expected 0, have 1 Message-ID: <202203191213.tC0sjaY7-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/core head: 200a79c670d24d4d9a75a6a9cbfd14af2f5d0ad9 commit: 5c9f3806a4400c2957abeea9419547f856457a20 [17/19] lockdep: Fix -Wunused-parameter for _THIS_IP_ config: x86_64-randconfig-a014 (https://download.01.org/0day-ci/archive/20220319/202203191213.tC0sjaY7-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6e70e4056dff962ec634c5bd4f2f4105a0bef71) 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/peterz/queue.git/commit/?id=5c9f3806a4400c2957abeea9419547f856457a20 git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue locking/core git checkout 5c9f3806a4400c2957abeea9419547f856457a20 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from arch/x86/kvm/x86.c:22: In file included from arch/x86/kvm/mmu.h:7: In file included from arch/x86/kvm/cpuid.h:5: >> arch/x86/kvm/x86.h:29:30: error: too many arguments to function call, expected 0, have 1 lockdep_hardirqs_on_prepare(CALLER_ADDR0); ~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^~~~~~~~~~~~ include/linux/ftrace.h:879:22: note: expanded from macro 'CALLER_ADDR0' #define CALLER_ADDR0 ((unsigned long)ftrace_return_address0) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/irqflags.h:23:15: note: 'lockdep_hardirqs_on_prepare' declared here extern void lockdep_hardirqs_on_prepare(void); ^ In file included from arch/x86/kvm/x86.c:41: include/linux/mman.h:158:9: warning: division by zero is undefined [-Wdivision-by-zero] _calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mman.h:136:21: note: expanded from macro '_calc_vm_trans' : ((x) & (bit1)) / ((bit1) / (bit2)))) ^ ~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. -- In file included from arch/x86/kvm/emulate.c:28: >> arch/x86/kvm/x86.h:29:30: error: too many arguments to function call, expected 0, have 1 lockdep_hardirqs_on_prepare(CALLER_ADDR0); ~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^~~~~~~~~~~~ include/linux/ftrace.h:879:22: note: expanded from macro 'CALLER_ADDR0' #define CALLER_ADDR0 ((unsigned long)ftrace_return_address0) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/irqflags.h:23:15: note: 'lockdep_hardirqs_on_prepare' declared here extern void lockdep_hardirqs_on_prepare(void); ^ 1 error generated. vim +29 arch/x86/kvm/x86.h 65297341d8e15b Uros Bizjak 2021-08-09 12 bc908e091b3264 Sean Christopherson 2021-05-04 13 static __always_inline void kvm_guest_enter_irqoff(void) bc908e091b3264 Sean Christopherson 2021-05-04 14 { bc908e091b3264 Sean Christopherson 2021-05-04 15 /* bc908e091b3264 Sean Christopherson 2021-05-04 16 * VMENTER enables interrupts (host state), but the kernel state is bc908e091b3264 Sean Christopherson 2021-05-04 17 * interrupts disabled when this is invoked. Also tell RCU about bc908e091b3264 Sean Christopherson 2021-05-04 18 * it. This is the same logic as for exit_to_user_mode(). bc908e091b3264 Sean Christopherson 2021-05-04 19 * bc908e091b3264 Sean Christopherson 2021-05-04 20 * This ensures that e.g. latency analysis on the host observes bc908e091b3264 Sean Christopherson 2021-05-04 21 * guest mode as interrupt enabled. bc908e091b3264 Sean Christopherson 2021-05-04 22 * bc908e091b3264 Sean Christopherson 2021-05-04 23 * guest_enter_irqoff() informs context tracking about the bc908e091b3264 Sean Christopherson 2021-05-04 24 * transition to guest mode and if enabled adjusts RCU state bc908e091b3264 Sean Christopherson 2021-05-04 25 * accordingly. bc908e091b3264 Sean Christopherson 2021-05-04 26 */ bc908e091b3264 Sean Christopherson 2021-05-04 27 instrumentation_begin(); bc908e091b3264 Sean Christopherson 2021-05-04 28 trace_hardirqs_on_prepare(); bc908e091b3264 Sean Christopherson 2021-05-04 @29 lockdep_hardirqs_on_prepare(CALLER_ADDR0); bc908e091b3264 Sean Christopherson 2021-05-04 30 instrumentation_end(); bc908e091b3264 Sean Christopherson 2021-05-04 31 bc908e091b3264 Sean Christopherson 2021-05-04 32 guest_enter_irqoff(); bc908e091b3264 Sean Christopherson 2021-05-04 33 lockdep_hardirqs_on(CALLER_ADDR0); bc908e091b3264 Sean Christopherson 2021-05-04 34 } bc908e091b3264 Sean Christopherson 2021-05-04 35 :::::: The code at line 29 was first introduced by commit :::::: bc908e091b3264672889162733020048901021fb KVM: x86: Consolidate guest enter/exit logic to common helpers :::::: TO: Sean Christopherson :::::: CC: Thomas Gleixner --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org