riscv: drop cpufeature_apply_feature tracking variable

The variable was tracking which feature patches got applied but that information was never actually used - and thus resulted in a warning as well. Drop the variable. Reported-by: kernel test robot <[email protected]> Signed-off-by: Heiko Stuebner <[email protected]> Reviewed-by: Guo Ren <[email protected]> Link: https://lore.kernel.org/r/[email protected] Fixes: ff689fd ("riscv: add RISC-V Svpbmt extension support") Signed-off-by: Palmer Dabbelt <[email protected]>
Stilmant · Jun 16, 2022 · 237c0ee · 237c0ee
1 parent 21f356f
commit 237c0ee
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
@@ -293,7 +293,6 @@ void __init_or_module riscv_cpufeature_patch_func(struct alt_entry *begin,
 						  unsigned int stage)
 {
 	u32 cpu_req_feature = cpufeature_probe(stage);
-	u32 cpu_apply_feature = 0;
 	struct alt_entry *alt;
 	u32 tmp;
 
@@ -307,10 +306,8 @@ void __init_or_module riscv_cpufeature_patch_func(struct alt_entry *begin,
 		}
 
 		tmp = (1U << alt->errata_id);
-		if (cpu_req_feature & tmp) {
+		if (cpu_req_feature & tmp)
 			patch_text_nosync(alt->old_ptr, alt->alt_ptr, alt->alt_len);
-			cpu_apply_feature |= tmp;
-		}
 	}
 }
 #endif