:::::: 
:::::: Manual check reason: "low confidence static check warning: drivers/perf/riscv_pmu_sbi.c:474:59: sparse: sparse: shift too big (32) for type long"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: Atish Patra <Atish.Patra@wdc.com>
TO: Atish Patra <atishp@rivosinc.com>

tree:   https://github.com/atishp04/linux kvm_perf_snapshot_rfc
head:   5ae7188de04f861c3f4026005a0ace2cf2575bde
commit: 49f64ef2ce6b12fd54fc64df1ec2a0d28663b6cb [3/7] drivers/pmu: sbi: Read upper bits of a firmware counter
:::::: branch date: 7 days ago
:::::: commit date: 12 days ago
config: riscv-randconfig-s051-20230515
compiler: riscv32-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/atishp04/linux/commit/49f64ef2ce6b12fd54fc64df1ec2a0d28663b6cb
        git remote add atishp04 https://github.com/atishp04/linux
        git fetch --no-tags atishp04 kvm_perf_snapshot_rfc
        git checkout 49f64ef2ce6b12fd54fc64df1ec2a0d28663b6cb
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash drivers/perf/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/r/202305160845.eO2MgH7R-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   WARNING: invalid argument to '-march': '_zihintpause'
>> drivers/perf/riscv_pmu_sbi.c:474:59: sparse: sparse: shift too big (32) for type long

vim +474 drivers/perf/riscv_pmu_sbi.c

e9991434596f53 Atish Patra 2022-02-18  455  
e9991434596f53 Atish Patra 2022-02-18  456  static u64 pmu_sbi_ctr_read(struct perf_event *event)
e9991434596f53 Atish Patra 2022-02-18  457  {
e9991434596f53 Atish Patra 2022-02-18  458  	struct hw_perf_event *hwc = &event->hw;
e9991434596f53 Atish Patra 2022-02-18  459  	int idx = hwc->idx;
e9991434596f53 Atish Patra 2022-02-18  460  	struct sbiret ret;
e9991434596f53 Atish Patra 2022-02-18  461  	u64 val = 0;
49f64ef2ce6b12 Atish Patra 2023-05-03  462  	union sbi_pmu_ctr_info info = pmu_ctr_list[idx];
e9991434596f53 Atish Patra 2022-02-18  463  
e9991434596f53 Atish Patra 2022-02-18  464  	if (pmu_sbi_is_fw_event(event)) {
e9991434596f53 Atish Patra 2022-02-18  465  		ret = sbi_ecall(SBI_EXT_PMU, SBI_EXT_PMU_COUNTER_FW_READ,
e9991434596f53 Atish Patra 2022-02-18  466  				hwc->idx, 0, 0, 0, 0, 0);
e9991434596f53 Atish Patra 2022-02-18  467  		if (!ret.error)
e9991434596f53 Atish Patra 2022-02-18  468  			val = ret.value;
49f64ef2ce6b12 Atish Patra 2023-05-03  469  #if defined(CONFIG_32BIT)
49f64ef2ce6b12 Atish Patra 2023-05-03  470  		if (sbi_v2_available && info.width >= 32)
49f64ef2ce6b12 Atish Patra 2023-05-03  471  			ret = sbi_ecall(SBI_EXT_PMU, SBI_EXT_PMU_COUNTER_FW_READ_HI,
49f64ef2ce6b12 Atish Patra 2023-05-03  472  					hwc->idx, 0, 0, 0, 0, 0);
49f64ef2ce6b12 Atish Patra 2023-05-03  473  			if (!ret.error)
49f64ef2ce6b12 Atish Patra 2023-05-03 @474  				val = val | (ret.value << 32);
49f64ef2ce6b12 Atish Patra 2023-05-03  475  #endif
e9991434596f53 Atish Patra 2022-02-18  476  	} else {
e9991434596f53 Atish Patra 2022-02-18  477  		val = riscv_pmu_ctr_read_csr(info.csr);
e9991434596f53 Atish Patra 2022-02-18  478  		if (IS_ENABLED(CONFIG_32BIT))
e9991434596f53 Atish Patra 2022-02-18  479  			val = ((u64)riscv_pmu_ctr_read_csr(info.csr + 0x80)) << 31 | val;
e9991434596f53 Atish Patra 2022-02-18  480  	}
e9991434596f53 Atish Patra 2022-02-18  481  
e9991434596f53 Atish Patra 2022-02-18  482  	return val;
e9991434596f53 Atish Patra 2022-02-18  483  }
e9991434596f53 Atish Patra 2022-02-18  484  

-- 
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https://github.com/intel/lkp-tests