diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 6424584be01e6..a474a4f39c951 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -1443,6 +1443,7 @@ static inline void __cpu_enable_hw_dbm(void)
 
 	write_sysreg(tcr, tcr_el1);
 	isb();
+	local_flush_tlb_all();
 }
 
 static bool cpu_has_broken_dbm(void)