Hi Neil, [auto build test ERROR on next-20160921] [cannot apply to linus/master linux/master v4.8-rc7 v4.8-rc6 v4.8-rc5 v4.8-rc7] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information] url: https://github.com/0day-ci/linux/commits/Neil-Leeder/soc-qcom-add-l2-cache-perf-events-driver/20160922-000500 config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All error/warnings (new ones prefixed by >>): drivers/soc/qcom/perf_event_l2.c: In function 'set_l2_indirect_reg': >> drivers/soc/qcom/perf_event_l2.c:92:2: error: implicit declaration of function 'write_sysreg' [-Werror=implicit-function-declaration] write_sysreg(reg, L2CPUSRSELR_EL1); ^~~~~~~~~~~~ >> drivers/soc/qcom/perf_event_l2.c:74:33: error: 'S3_3_c15_c0_6' undeclared (first use in this function) #define L2CPUSRSELR_EL1 S3_3_c15_c0_6 ^ >> drivers/soc/qcom/perf_event_l2.c:92:20: note: in expansion of macro 'L2CPUSRSELR_EL1' write_sysreg(reg, L2CPUSRSELR_EL1); ^~~~~~~~~~~~~~~ drivers/soc/qcom/perf_event_l2.c:74:33: note: each undeclared identifier is reported only once for each function it appears in #define L2CPUSRSELR_EL1 S3_3_c15_c0_6 ^ >> drivers/soc/qcom/perf_event_l2.c:92:20: note: in expansion of macro 'L2CPUSRSELR_EL1' write_sysreg(reg, L2CPUSRSELR_EL1); ^~~~~~~~~~~~~~~ >> drivers/soc/qcom/perf_event_l2.c:75:33: error: 'S3_3_c15_c0_7' undeclared (first use in this function) #define L2CPUSRDR_EL1 S3_3_c15_c0_7 ^ >> drivers/soc/qcom/perf_event_l2.c:94:20: note: in expansion of macro 'L2CPUSRDR_EL1' write_sysreg(val, L2CPUSRDR_EL1); ^~~~~~~~~~~~~ drivers/soc/qcom/perf_event_l2.c: In function 'get_l2_indirect_reg': >> drivers/soc/qcom/perf_event_l2.c:74:33: error: 'S3_3_c15_c0_6' undeclared (first use in this function) #define L2CPUSRSELR_EL1 S3_3_c15_c0_6 ^ drivers/soc/qcom/perf_event_l2.c:112:20: note: in expansion of macro 'L2CPUSRSELR_EL1' write_sysreg(reg, L2CPUSRSELR_EL1); ^~~~~~~~~~~~~~~ >> drivers/soc/qcom/perf_event_l2.c:114:8: error: implicit declaration of function 'read_sysreg' [-Werror=implicit-function-declaration] val = read_sysreg(L2CPUSRDR_EL1); ^~~~~~~~~~~ >> drivers/soc/qcom/perf_event_l2.c:75:33: error: 'S3_3_c15_c0_7' undeclared (first use in this function) #define L2CPUSRDR_EL1 S3_3_c15_c0_7 ^ drivers/soc/qcom/perf_event_l2.c:114:20: note: in expansion of macro 'L2CPUSRDR_EL1' val = read_sysreg(L2CPUSRDR_EL1); ^~~~~~~~~~~~~ drivers/soc/qcom/perf_event_l2.c: In function 'l2_cache_pmu_probe_cluster': >> drivers/soc/qcom/perf_event_l2.c:787:6: error: implicit declaration of function 'acpi_bus_get_device' [-Werror=implicit-function-declaration] if (acpi_bus_get_device(ACPI_HANDLE(dev), &device)) ^~~~~~~~~~~~~~~~~~~ >> drivers/soc/qcom/perf_event_l2.c:790:20: error: dereferencing pointer to incomplete type 'struct acpi_device' if (kstrtol(device->pnp.unique_id, 10, &fw_cluster_id) < 0) { ^~ cc1: some warnings being treated as errors vim +/write_sysreg +92 drivers/soc/qcom/perf_event_l2.c 68 69 #define L2_EVT_GROUP_MAX 7 70 71 #define L2_MAX_PERIOD U32_MAX 72 #define L2_CNT_PERIOD (U32_MAX - GENMASK(26, 0)) 73 > 74 #define L2CPUSRSELR_EL1 S3_3_c15_c0_6 > 75 #define L2CPUSRDR_EL1 S3_3_c15_c0_7 76 77 static DEFINE_RAW_SPINLOCK(l2_access_lock); 78 79 /** 80 * set_l2_indirect_reg: write value to an L2 register 81 * @reg: Address of L2 register. 82 * @value: Value to be written to register. 83 * 84 * Use architecturally required barriers for ordering between system register 85 * accesses 86 */ 87 static void set_l2_indirect_reg(u64 reg, u64 val) 88 { 89 unsigned long flags; 90 91 raw_spin_lock_irqsave(&l2_access_lock, flags); > 92 write_sysreg(reg, L2CPUSRSELR_EL1); 93 isb(); > 94 write_sysreg(val, L2CPUSRDR_EL1); 95 isb(); 96 raw_spin_unlock_irqrestore(&l2_access_lock, flags); 97 } 98 99 /** 100 * get_l2_indirect_reg: read an L2 register value 101 * @reg: Address of L2 register. 102 * 103 * Use architecturally required barriers for ordering between system register 104 * accesses 105 */ 106 static u64 get_l2_indirect_reg(u64 reg) 107 { 108 u64 val; 109 unsigned long flags; 110 111 raw_spin_lock_irqsave(&l2_access_lock, flags); 112 write_sysreg(reg, L2CPUSRSELR_EL1); 113 isb(); > 114 val = read_sysreg(L2CPUSRDR_EL1); 115 raw_spin_unlock_irqrestore(&l2_access_lock, flags); 116 117 return val; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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