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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git master head: 4df0681d0b0244368a8a0982b24ceb536c3b5165 commit: a7872f778554c4849d59def8dfe0d295328e5e10 [747/770] perf/headers: Clean up a bit config: powerpc-randconfig-002-20250524 (https://download.01.org/0day-ci/archive/20250524/202505242035.SN55pavs-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250524/202505242035.SN55pavs-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202505242035.SN55pavs-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from include/linux/perf_event.h:33:0, from kernel/events/ring_buffer.c:11: include/linux/perf_regs.h:16:32: error: expected identifier or '(' before numeric constant #define PERF_REG_EXTENDED_MASK 0 ^ arch/powerpc/include/asm/perf_event.h:46:12: note: in expansion of macro 'PERF_REG_EXTENDED_MASK' extern u64 PERF_REG_EXTENDED_MASK; ^~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/perf_event.h:50:0, from kernel/events/ring_buffer.c:11: >> arch/powerpc/include/asm/perf_event.h:47:0: warning: "PERF_REG_EXTENDED_MASK" redefined #define PERF_REG_EXTENDED_MASK PERF_REG_EXTENDED_MASK In file included from include/linux/perf_event.h:33:0, from kernel/events/ring_buffer.c:11: include/linux/perf_regs.h:16:0: note: this is the location of the previous definition #define PERF_REG_EXTENDED_MASK 0 cc1: warning: unrecognized command line option '-Wno-unterminated-string-initialization' -- In file included from include/linux/perf_event.h:33:0, from include/linux/trace_events.h:10, from include/trace/syscall.h:7, from include/linux/syscalls.h:94, from kernel/events/core.c:34: include/linux/perf_regs.h:16:32: error: expected identifier or '(' before numeric constant #define PERF_REG_EXTENDED_MASK 0 ^ arch/powerpc/include/asm/perf_event.h:46:12: note: in expansion of macro 'PERF_REG_EXTENDED_MASK' extern u64 PERF_REG_EXTENDED_MASK; ^~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/perf_event.h:50:0, from include/linux/trace_events.h:10, from include/trace/syscall.h:7, from include/linux/syscalls.h:94, from kernel/events/core.c:34: >> arch/powerpc/include/asm/perf_event.h:47:0: warning: "PERF_REG_EXTENDED_MASK" redefined #define PERF_REG_EXTENDED_MASK PERF_REG_EXTENDED_MASK In file included from include/linux/perf_event.h:33:0, from include/linux/trace_events.h:10, from include/trace/syscall.h:7, from include/linux/syscalls.h:94, from kernel/events/core.c:34: include/linux/perf_regs.h:16:0: note: this is the location of the previous definition #define PERF_REG_EXTENDED_MASK 0 In file included from include/linux/perf_event.h:50:0, from include/linux/trace_events.h:10, from include/trace/syscall.h:7, from include/linux/syscalls.h:94, from kernel/events/core.c:34: kernel/events/core.c: In function 'has_extended_regs': arch/powerpc/include/asm/perf_event.h:47:32: error: 'PERF_REG_EXTENDED_MASK' undeclared (first use in this function); did you mean 'PERF_REG_EXTENDED_MAX'? #define PERF_REG_EXTENDED_MASK PERF_REG_EXTENDED_MASK ^ kernel/events/core.c:12500:41: note: in expansion of macro 'PERF_REG_EXTENDED_MASK' return (event->attr.sample_regs_user & PERF_REG_EXTENDED_MASK) || ^~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/perf_event.h:47:32: note: each undeclared identifier is reported only once for each function it appears in #define PERF_REG_EXTENDED_MASK PERF_REG_EXTENDED_MASK ^ kernel/events/core.c:12500:41: note: in expansion of macro 'PERF_REG_EXTENDED_MASK' return (event->attr.sample_regs_user & PERF_REG_EXTENDED_MASK) || ^~~~~~~~~~~~~~~~~~~~~~ kernel/events/core.c:12502:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ kernel/events/core.c: At top level: cc1: warning: unrecognized command line option '-Wno-unterminated-string-initialization' vim +/PERF_REG_EXTENDED_MASK +47 arch/powerpc/include/asm/perf_event.h a6460b03f945ee Sandipan Das 2018-12-06 29 75382aa72f0682 Anton Blanchard 2012-06-26 30 /* 75382aa72f0682 Anton Blanchard 2012-06-26 31 * Overload regs->result to specify whether we should use the MSR (result 75382aa72f0682 Anton Blanchard 2012-06-26 32 * is zero) or the SIAR (result is non zero). 75382aa72f0682 Anton Blanchard 2012-06-26 33 */ b0f82b81fe6bbc Frederic Weisbecker 2010-05-20 34 #define perf_arch_fetch_caller_regs(regs, __ip) \ b0f82b81fe6bbc Frederic Weisbecker 2010-05-20 35 do { \ 75382aa72f0682 Anton Blanchard 2012-06-26 36 (regs)->result = 0; \ b0f82b81fe6bbc Frederic Weisbecker 2010-05-20 37 (regs)->nip = __ip; \ 3d13e839e801e0 Michael Ellerman 2020-02-20 38 (regs)->gpr[1] = current_stack_frame(); \ b0f82b81fe6bbc Frederic Weisbecker 2010-05-20 39 asm volatile("mfmsr %0" : "=r" ((regs)->msr)); \ b0f82b81fe6bbc Frederic Weisbecker 2010-05-20 40 } while (0) 333804dc3b7a92 Madhavan Srinivasan 2018-12-09 41 333804dc3b7a92 Madhavan Srinivasan 2018-12-09 42 /* To support perf_regs sier update */ 333804dc3b7a92 Madhavan Srinivasan 2018-12-09 43 extern bool is_sier_available(void); e79b76e03b712e Athira Rajeev 2021-02-03 44 extern unsigned long get_pmcs_ext_regs(int idx); 781fa4811d9531 Anju T Sudhakar 2020-08-07 45 /* To define perf extended regs mask value */ 781fa4811d9531 Anju T Sudhakar 2020-08-07 46 extern u64 PERF_REG_EXTENDED_MASK; 781fa4811d9531 Anju T Sudhakar 2020-08-07 @47 #define PERF_REG_EXTENDED_MASK PERF_REG_EXTENDED_MASK :::::: The code at line 47 was first introduced by commit :::::: 781fa4811d95314c1965c0c3337c9ac36ef26093 powerpc/perf: Add support for outputting extended regs in perf intr_regs :::::: TO: Anju T Sudhakar :::::: CC: Michael Ellerman -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki