From: kernel test robot <lkp@intel.com> To: Marco Elver <elver@google.com> Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com, linux-kernel@vger.kernel.org, nathan@kernel.org, ndesaulniers@google.com, ojeda@kernel.org, keescook@chromium.org, akpm@linux-foundation.org, will@kernel.org, ardb@kernel.org, luc.vanoostenryck@gmail.com Subject: Re: [PATCH] kcov: add __no_sanitize_coverage to fix noinstr for all architectures Date: Wed, 26 May 2021 07:21:04 +0800 [thread overview] Message-ID: <202105260711.lJWp7uI4-lkp@intel.com> (raw) In-Reply-To: <20210525175819.699786-1-elver@google.com> [-- Attachment #1: Type: text/plain, Size: 28968 bytes --] Hi Marco, I love your patch! Perhaps something to improve: [auto build test WARNING on linux/master] [also build test WARNING on kees/for-next/pstore linus/master v5.13-rc3 next-20210525] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Marco-Elver/kcov-add-__no_sanitize_coverage-to-fix-noinstr-for-all-architectures/20210526-020046 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git dd860052c99b1e088352bdd4fb7aef46f8d2ef47 config: x86_64-randconfig-a001-20210525 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 99155e913e9bad5f7f8a247f8bb3a3ff3da74af1) 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 # https://github.com/0day-ci/linux/commit/d898fa12bc72a46da1b9466bb7f8369949b714a9 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Marco-Elver/kcov-add-__no_sanitize_coverage-to-fix-noinstr-for-all-architectures/20210526-020046 git checkout d898fa12bc72a46da1b9466bb7f8369949b714a9 # 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 >>): In file included from arch/x86/kernel/traps.c:49: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:450:18: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] irqentry_state_t noinstr irqentry_enter(struct pt_regs *regs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/traps.c:49: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:476:6: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] void noinstr irqentry_exit(struct pt_regs *regs, irqentry_state_t state); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/traps.c:49: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:484:18: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] irqentry_state_t noinstr irqentry_nmi_enter(struct pt_regs *regs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/traps.c:49: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:495:6: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] void noinstr irqentry_nmi_exit(struct pt_regs *regs, irqentry_state_t irq_state); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/traps.c:49: In file included from arch/x86/include/asm/traps.h:9: >> arch/x86/include/asm/idtentry.h:614:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DECLARE_IDTENTRY_VC(X86_TRAP_VC, exc_vmm_communication); ^ arch/x86/include/asm/idtentry.h:315:12: note: expanded from macro 'DECLARE_IDTENTRY_VC' __visible noinstr void ist_##func(struct pt_regs *regs, unsigned long error_code); \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/traps.c:49: In file included from arch/x86/include/asm/traps.h:9: >> arch/x86/include/asm/idtentry.h:614:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] arch/x86/include/asm/idtentry.h:316:12: note: expanded from macro 'DECLARE_IDTENTRY_VC' __visible noinstr void safe_stack_##func(struct pt_regs *regs, unsigned long error_code) ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/traps.c:49: arch/x86/include/asm/traps.h:18:22: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] asmlinkage __visible noinstr struct pt_regs *vc_switch_off_ist(struct pt_regs *eregs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:201:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY(exc_divide_error) ^ arch/x86/include/asm/idtentry.h:50:11: note: expanded from macro 'DEFINE_IDTENTRY' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:207:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY(exc_overflow) ^ arch/x86/include/asm/idtentry.h:50:11: note: expanded from macro 'DEFINE_IDTENTRY' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:222:8: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] static noinstr bool handle_bug(struct pt_regs *regs) ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:250:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_RAW(exc_invalid_op) ^ arch/x86/include/asm/idtentry.h:136:11: note: expanded from macro 'DEFINE_IDTENTRY_RAW' __visible noinstr void func(struct pt_regs *regs) ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:269:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY(exc_coproc_segment_overrun) ^ arch/x86/include/asm/idtentry.h:50:11: note: expanded from macro 'DEFINE_IDTENTRY' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:275:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_ERRORCODE(exc_invalid_tss) ^ arch/x86/include/asm/idtentry.h:96:11: note: expanded from macro 'DEFINE_IDTENTRY_ERRORCODE' __visible noinstr void func(struct pt_regs *regs, \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:281:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_ERRORCODE(exc_segment_not_present) ^ arch/x86/include/asm/idtentry.h:96:11: note: expanded from macro 'DEFINE_IDTENTRY_ERRORCODE' __visible noinstr void func(struct pt_regs *regs, \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ -- In file included from arch/x86/kernel/idt.c:9: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:450:18: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] irqentry_state_t noinstr irqentry_enter(struct pt_regs *regs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/idt.c:9: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:476:6: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] void noinstr irqentry_exit(struct pt_regs *regs, irqentry_state_t state); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/idt.c:9: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:484:18: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] irqentry_state_t noinstr irqentry_nmi_enter(struct pt_regs *regs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/idt.c:9: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:495:6: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] void noinstr irqentry_nmi_exit(struct pt_regs *regs, irqentry_state_t irq_state); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/idt.c:9: In file included from arch/x86/include/asm/traps.h:9: >> arch/x86/include/asm/idtentry.h:614:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DECLARE_IDTENTRY_VC(X86_TRAP_VC, exc_vmm_communication); ^ arch/x86/include/asm/idtentry.h:315:12: note: expanded from macro 'DECLARE_IDTENTRY_VC' __visible noinstr void ist_##func(struct pt_regs *regs, unsigned long error_code); \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/idt.c:9: In file included from arch/x86/include/asm/traps.h:9: >> arch/x86/include/asm/idtentry.h:614:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] arch/x86/include/asm/idtentry.h:316:12: note: expanded from macro 'DECLARE_IDTENTRY_VC' __visible noinstr void safe_stack_##func(struct pt_regs *regs, unsigned long error_code) ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/idt.c:9: arch/x86/include/asm/traps.h:18:22: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] asmlinkage __visible noinstr struct pt_regs *vc_switch_off_ist(struct pt_regs *eregs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ 7 warnings generated. -- In file included from arch/x86/kernel/irq.c:23: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:450:18: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] irqentry_state_t noinstr irqentry_enter(struct pt_regs *regs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/irq.c:23: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:476:6: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] void noinstr irqentry_exit(struct pt_regs *regs, irqentry_state_t state); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/irq.c:23: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:484:18: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] irqentry_state_t noinstr irqentry_nmi_enter(struct pt_regs *regs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/irq.c:23: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:495:6: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] void noinstr irqentry_nmi_exit(struct pt_regs *regs, irqentry_state_t irq_state); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/irq.c:23: In file included from arch/x86/include/asm/traps.h:9: >> arch/x86/include/asm/idtentry.h:614:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DECLARE_IDTENTRY_VC(X86_TRAP_VC, exc_vmm_communication); ^ arch/x86/include/asm/idtentry.h:315:12: note: expanded from macro 'DECLARE_IDTENTRY_VC' __visible noinstr void ist_##func(struct pt_regs *regs, unsigned long error_code); \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/irq.c:23: In file included from arch/x86/include/asm/traps.h:9: >> arch/x86/include/asm/idtentry.h:614:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] arch/x86/include/asm/idtentry.h:316:12: note: expanded from macro 'DECLARE_IDTENTRY_VC' __visible noinstr void safe_stack_##func(struct pt_regs *regs, unsigned long error_code) ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/irq.c:23: arch/x86/include/asm/traps.h:18:22: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] asmlinkage __visible noinstr struct pt_regs *vc_switch_off_ist(struct pt_regs *eregs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/irq.c:240:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_IRQ(common_interrupt) ^ arch/x86/include/asm/idtentry.h:192:11: note: expanded from macro 'DEFINE_IDTENTRY_IRQ' __visible noinstr void func(struct pt_regs *regs, \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/irq.c:272:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_SYSVEC(sysvec_x86_platform_ipi) ^ arch/x86/include/asm/idtentry.h:234:11: note: expanded from macro 'DEFINE_IDTENTRY_SYSVEC' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/irq.c:302:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_SYSVEC_SIMPLE(sysvec_kvm_posted_intr_ipi) ^ arch/x86/include/asm/idtentry.h:261:11: note: expanded from macro 'DEFINE_IDTENTRY_SYSVEC_SIMPLE' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/irq.c:311:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_SYSVEC(sysvec_kvm_posted_intr_wakeup_ipi) ^ arch/x86/include/asm/idtentry.h:234:11: note: expanded from macro 'DEFINE_IDTENTRY_SYSVEC' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/irq.c:321:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_SYSVEC_SIMPLE(sysvec_kvm_posted_intr_nested_ipi) ^ arch/x86/include/asm/idtentry.h:261:11: note: expanded from macro 'DEFINE_IDTENTRY_SYSVEC_SIMPLE' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/irq.c:389:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_SYSVEC(sysvec_thermal) ^ arch/x86/include/asm/idtentry.h:234:11: note: expanded from macro 'DEFINE_IDTENTRY_SYSVEC' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ 13 warnings generated. .. vim +/coverage +614 arch/x86/include/asm/idtentry.h c29c775a554f70 Thomas Gleixner 2020-02-25 611 0786138c78e793 Tom Lendacky 2020-09-07 612 /* #VC */ 0786138c78e793 Tom Lendacky 2020-09-07 613 #ifdef CONFIG_AMD_MEM_ENCRYPT 0786138c78e793 Tom Lendacky 2020-09-07 @614 DECLARE_IDTENTRY_VC(X86_TRAP_VC, exc_vmm_communication); 0786138c78e793 Tom Lendacky 2020-09-07 615 #endif 0786138c78e793 Tom Lendacky 2020-09-07 616 --- 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: 37044 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] kcov: add __no_sanitize_coverage to fix noinstr for all architectures Date: Wed, 26 May 2021 07:21:04 +0800 [thread overview] Message-ID: <202105260711.lJWp7uI4-lkp@intel.com> (raw) In-Reply-To: <20210525175819.699786-1-elver@google.com> [-- Attachment #1: Type: text/plain, Size: 29425 bytes --] Hi Marco, I love your patch! Perhaps something to improve: [auto build test WARNING on linux/master] [also build test WARNING on kees/for-next/pstore linus/master v5.13-rc3 next-20210525] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Marco-Elver/kcov-add-__no_sanitize_coverage-to-fix-noinstr-for-all-architectures/20210526-020046 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git dd860052c99b1e088352bdd4fb7aef46f8d2ef47 config: x86_64-randconfig-a001-20210525 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 99155e913e9bad5f7f8a247f8bb3a3ff3da74af1) 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 # https://github.com/0day-ci/linux/commit/d898fa12bc72a46da1b9466bb7f8369949b714a9 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Marco-Elver/kcov-add-__no_sanitize_coverage-to-fix-noinstr-for-all-architectures/20210526-020046 git checkout d898fa12bc72a46da1b9466bb7f8369949b714a9 # 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 >>): In file included from arch/x86/kernel/traps.c:49: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:450:18: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] irqentry_state_t noinstr irqentry_enter(struct pt_regs *regs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/traps.c:49: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:476:6: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] void noinstr irqentry_exit(struct pt_regs *regs, irqentry_state_t state); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/traps.c:49: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:484:18: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] irqentry_state_t noinstr irqentry_nmi_enter(struct pt_regs *regs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/traps.c:49: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:495:6: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] void noinstr irqentry_nmi_exit(struct pt_regs *regs, irqentry_state_t irq_state); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/traps.c:49: In file included from arch/x86/include/asm/traps.h:9: >> arch/x86/include/asm/idtentry.h:614:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DECLARE_IDTENTRY_VC(X86_TRAP_VC, exc_vmm_communication); ^ arch/x86/include/asm/idtentry.h:315:12: note: expanded from macro 'DECLARE_IDTENTRY_VC' __visible noinstr void ist_##func(struct pt_regs *regs, unsigned long error_code); \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/traps.c:49: In file included from arch/x86/include/asm/traps.h:9: >> arch/x86/include/asm/idtentry.h:614:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] arch/x86/include/asm/idtentry.h:316:12: note: expanded from macro 'DECLARE_IDTENTRY_VC' __visible noinstr void safe_stack_##func(struct pt_regs *regs, unsigned long error_code) ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/traps.c:49: arch/x86/include/asm/traps.h:18:22: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] asmlinkage __visible noinstr struct pt_regs *vc_switch_off_ist(struct pt_regs *eregs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:201:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY(exc_divide_error) ^ arch/x86/include/asm/idtentry.h:50:11: note: expanded from macro 'DEFINE_IDTENTRY' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:207:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY(exc_overflow) ^ arch/x86/include/asm/idtentry.h:50:11: note: expanded from macro 'DEFINE_IDTENTRY' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:222:8: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] static noinstr bool handle_bug(struct pt_regs *regs) ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:250:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_RAW(exc_invalid_op) ^ arch/x86/include/asm/idtentry.h:136:11: note: expanded from macro 'DEFINE_IDTENTRY_RAW' __visible noinstr void func(struct pt_regs *regs) ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:269:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY(exc_coproc_segment_overrun) ^ arch/x86/include/asm/idtentry.h:50:11: note: expanded from macro 'DEFINE_IDTENTRY' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:275:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_ERRORCODE(exc_invalid_tss) ^ arch/x86/include/asm/idtentry.h:96:11: note: expanded from macro 'DEFINE_IDTENTRY_ERRORCODE' __visible noinstr void func(struct pt_regs *regs, \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/traps.c:281:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_ERRORCODE(exc_segment_not_present) ^ arch/x86/include/asm/idtentry.h:96:11: note: expanded from macro 'DEFINE_IDTENTRY_ERRORCODE' __visible noinstr void func(struct pt_regs *regs, \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ -- In file included from arch/x86/kernel/idt.c:9: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:450:18: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] irqentry_state_t noinstr irqentry_enter(struct pt_regs *regs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/idt.c:9: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:476:6: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] void noinstr irqentry_exit(struct pt_regs *regs, irqentry_state_t state); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/idt.c:9: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:484:18: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] irqentry_state_t noinstr irqentry_nmi_enter(struct pt_regs *regs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/idt.c:9: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:495:6: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] void noinstr irqentry_nmi_exit(struct pt_regs *regs, irqentry_state_t irq_state); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/idt.c:9: In file included from arch/x86/include/asm/traps.h:9: >> arch/x86/include/asm/idtentry.h:614:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DECLARE_IDTENTRY_VC(X86_TRAP_VC, exc_vmm_communication); ^ arch/x86/include/asm/idtentry.h:315:12: note: expanded from macro 'DECLARE_IDTENTRY_VC' __visible noinstr void ist_##func(struct pt_regs *regs, unsigned long error_code); \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/idt.c:9: In file included from arch/x86/include/asm/traps.h:9: >> arch/x86/include/asm/idtentry.h:614:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] arch/x86/include/asm/idtentry.h:316:12: note: expanded from macro 'DECLARE_IDTENTRY_VC' __visible noinstr void safe_stack_##func(struct pt_regs *regs, unsigned long error_code) ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/idt.c:9: arch/x86/include/asm/traps.h:18:22: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] asmlinkage __visible noinstr struct pt_regs *vc_switch_off_ist(struct pt_regs *eregs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ 7 warnings generated. -- In file included from arch/x86/kernel/irq.c:23: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:450:18: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] irqentry_state_t noinstr irqentry_enter(struct pt_regs *regs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/irq.c:23: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:476:6: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] void noinstr irqentry_exit(struct pt_regs *regs, irqentry_state_t state); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/irq.c:23: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:484:18: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] irqentry_state_t noinstr irqentry_nmi_enter(struct pt_regs *regs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/irq.c:23: In file included from arch/x86/include/asm/traps.h:9: In file included from arch/x86/include/asm/idtentry.h:9: include/linux/entry-common.h:495:6: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] void noinstr irqentry_nmi_exit(struct pt_regs *regs, irqentry_state_t irq_state); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/irq.c:23: In file included from arch/x86/include/asm/traps.h:9: >> arch/x86/include/asm/idtentry.h:614:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DECLARE_IDTENTRY_VC(X86_TRAP_VC, exc_vmm_communication); ^ arch/x86/include/asm/idtentry.h:315:12: note: expanded from macro 'DECLARE_IDTENTRY_VC' __visible noinstr void ist_##func(struct pt_regs *regs, unsigned long error_code); \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/irq.c:23: In file included from arch/x86/include/asm/traps.h:9: >> arch/x86/include/asm/idtentry.h:614:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] arch/x86/include/asm/idtentry.h:316:12: note: expanded from macro 'DECLARE_IDTENTRY_VC' __visible noinstr void safe_stack_##func(struct pt_regs *regs, unsigned long error_code) ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ In file included from arch/x86/kernel/irq.c:23: arch/x86/include/asm/traps.h:18:22: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] asmlinkage __visible noinstr struct pt_regs *vc_switch_off_ist(struct pt_regs *eregs); ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/irq.c:240:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_IRQ(common_interrupt) ^ arch/x86/include/asm/idtentry.h:192:11: note: expanded from macro 'DEFINE_IDTENTRY_IRQ' __visible noinstr void func(struct pt_regs *regs, \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/irq.c:272:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_SYSVEC(sysvec_x86_platform_ipi) ^ arch/x86/include/asm/idtentry.h:234:11: note: expanded from macro 'DEFINE_IDTENTRY_SYSVEC' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/irq.c:302:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_SYSVEC_SIMPLE(sysvec_kvm_posted_intr_ipi) ^ arch/x86/include/asm/idtentry.h:261:11: note: expanded from macro 'DEFINE_IDTENTRY_SYSVEC_SIMPLE' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/irq.c:311:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_SYSVEC(sysvec_kvm_posted_intr_wakeup_ipi) ^ arch/x86/include/asm/idtentry.h:234:11: note: expanded from macro 'DEFINE_IDTENTRY_SYSVEC' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/irq.c:321:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_SYSVEC_SIMPLE(sysvec_kvm_posted_intr_nested_ipi) ^ arch/x86/include/asm/idtentry.h:261:11: note: expanded from macro 'DEFINE_IDTENTRY_SYSVEC_SIMPLE' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ arch/x86/kernel/irq.c:389:1: warning: unknown sanitizer 'coverage' ignored [-Wunknown-sanitizers] DEFINE_IDTENTRY_SYSVEC(sysvec_thermal) ^ arch/x86/include/asm/idtentry.h:234:11: note: expanded from macro 'DEFINE_IDTENTRY_SYSVEC' __visible noinstr void func(struct pt_regs *regs) \ ^ include/linux/compiler_types.h:213:35: note: expanded from macro 'noinstr' __no_kcsan __no_sanitize_address __no_sanitize_coverage ^ include/linux/compiler-clang.h:49:59: note: expanded from macro '__no_sanitize_coverage' #define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) ^ 13 warnings generated. .. vim +/coverage +614 arch/x86/include/asm/idtentry.h c29c775a554f70 Thomas Gleixner 2020-02-25 611 0786138c78e793 Tom Lendacky 2020-09-07 612 /* #VC */ 0786138c78e793 Tom Lendacky 2020-09-07 613 #ifdef CONFIG_AMD_MEM_ENCRYPT 0786138c78e793 Tom Lendacky 2020-09-07 @614 DECLARE_IDTENTRY_VC(X86_TRAP_VC, exc_vmm_communication); 0786138c78e793 Tom Lendacky 2020-09-07 615 #endif 0786138c78e793 Tom Lendacky 2020-09-07 616 --- 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: 37044 bytes --]
next prev parent reply other threads:[~2021-05-25 23:21 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-25 17:58 [PATCH] kcov: add __no_sanitize_coverage to fix noinstr for all architectures Marco Elver 2021-05-25 18:25 ` Miguel Ojeda 2021-05-25 19:12 ` Marco Elver 2021-05-26 1:53 ` Miguel Ojeda 2021-05-26 6:25 ` Marco Elver 2021-05-26 12:38 ` Marco Elver 2021-05-26 18:12 ` Miguel Ojeda 2021-05-25 22:22 ` kernel test robot 2021-05-25 22:22 ` kernel test robot 2021-05-25 22:29 ` Marco Elver 2021-05-25 22:29 ` Marco Elver 2021-05-26 8:11 ` [kbuild-all] " Rong Chen 2021-05-26 8:11 ` Rong Chen 2021-05-25 23:21 ` kernel test robot [this message] 2021-05-25 23:21 ` kernel test robot 2021-05-26 8:19 ` Peter Zijlstra
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