[avpatel:riscv_trace_acpi_support_v1 40/87] arch/riscv/kernel/sbi_sse.c:99:13: warning: 'arch_sse_flush_tlb_range' defined but not used

[avpatel:riscv_trace_acpi_support_v1 40/87] arch/riscv/kernel/sbi_sse.c:99:13: warning: 'arch_sse_flush_tlb_range' defined but not used

[kernel test robot]

tree:   https://github.com/avpatel/linux.git riscv_trace_acpi_support_v1
head:   dc5b9586f90cc15314085bdaa74661fc00d1688f
commit: 70bf52ad28d50b7278e87dacf8f7df9af50d05c8 [40/87] drivers: firmware: add riscv SSE support
config: riscv-randconfig-2001-20261001 (https://download.01.org/0day-ci/archive/20261002/202610020009.P3ILnDi1-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261002/202610020009.P3ILnDi1-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610020009.P3ILnDi1-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/riscv/kernel/sbi_sse.c:99:13: warning: 'arch_sse_flush_tlb_range' defined but not used [-Wunused-function]
    static void arch_sse_flush_tlb_range(struct sse_event_arch_data *arch_evt,
                ^~~~~~~~~~~~~~~~~~~~~~~~


vim +/arch_sse_flush_tlb_range +99 arch/riscv/kernel/sbi_sse.c

95dfe3a59cd091 Clément Léger 2026-09-11   98  
95dfe3a59cd091 Clément Léger 2026-09-11  @99  static void arch_sse_flush_tlb_range(struct sse_event_arch_data *arch_evt,
95dfe3a59cd091 Clément Léger 2026-09-11  100  				     unsigned long start, unsigned long size)
95dfe3a59cd091 Clément Léger 2026-09-11  101  {
95dfe3a59cd091 Clément Léger 2026-09-11  102  	unsigned long end = start + size;
95dfe3a59cd091 Clément Léger 2026-09-11  103  
95dfe3a59cd091 Clément Léger 2026-09-11  104  	if (sse_event_is_global(arch_evt->evt_id))
95dfe3a59cd091 Clément Léger 2026-09-11  105  		flush_tlb_kernel_range(start, end);
95dfe3a59cd091 Clément Léger 2026-09-11  106  	else
95dfe3a59cd091 Clément Léger 2026-09-11  107  		local_flush_tlb_kernel_range(start, end);
95dfe3a59cd091 Clément Léger 2026-09-11  108  }
95dfe3a59cd091 Clément Léger 2026-09-11  109  

:::::: The code at line 99 was first introduced by commit
:::::: 95dfe3a59cd091457b7c6af4cc9179307bdb83ad riscv: add support for SBI Supervisor Software Events extension

:::::: TO: Clément Léger <cleger@rivosinc.com>
:::::: CC: Anup Patel <anup@brainfault.org>

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