diff --git a/arch/arm64/configs/openeuler_defconfig b/arch/arm64/configs/openeuler_defconfig
index ce5a7aeaeecacf47432477a6322c5b9ca2a35db5..304c8e33355529c1ee362beb9355586fc2427788 100644
--- a/arch/arm64/configs/openeuler_defconfig
+++ b/arch/arm64/configs/openeuler_defconfig
@@ -7833,6 +7833,7 @@ CONFIG_LOCK_DEBUGGING_SUPPORT=y
 
 # CONFIG_DEBUG_IRQFLAGS is not set
 CONFIG_STACKTRACE=y
+CONFIG_RANDOM_BOOT_OPTIMIZATION=y
 # CONFIG_WARN_ALL_UNSEEDED_RANDOM is not set
 # CONFIG_DEBUG_KOBJECT is not set
 
diff --git a/arch/x86/configs/openeuler_defconfig b/arch/x86/configs/openeuler_defconfig
index b40100e166838208b2a77a09d011f190c52ceb53..60b6e994b4f1cbe23c9a1c41164577b2010cbe02 100644
--- a/arch/x86/configs/openeuler_defconfig
+++ b/arch/x86/configs/openeuler_defconfig
@@ -9012,6 +9012,7 @@ CONFIG_LOCK_DEBUGGING_SUPPORT=y
 # CONFIG_NMI_CHECK_CPU is not set
 # CONFIG_DEBUG_IRQFLAGS is not set
 CONFIG_STACKTRACE=y
+CONFIG_RANDOM_BOOT_OPTIMIZATION=y
 # CONFIG_WARN_ALL_UNSEEDED_RANDOM is not set
 # CONFIG_DEBUG_KOBJECT is not set
 
diff --git a/drivers/char/random.c b/drivers/char/random.c
index b9ae54c243a92d7025a0dd347d1ab994dcd036a8..2f31586d4188fad15fbf18901a14da04339e30fd 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1100,8 +1100,12 @@ void add_interrupt_randomness(int irq)
 	if (new_count & MIX_INFLIGHT)
 		return;
 
+#ifdef CONFIG_RANDOM_BOOT_OPTIMIZATION
 	if (new_count < 1024 && !time_is_before_jiffies(fast_pool->last + HZ) &&
 			crng_ready())
+#else
+	if (new_count < 1024 && !time_is_before_jiffies(fast_pool->last + HZ))
+#endif
 		return;
 
 	fast_pool->count |= MIX_INFLIGHT;
diff --git a/init/Kconfig b/init/Kconfig
index 6d35728b94b2b3b12bfb47c6fcea047dbf145be6..c8cd6af80337ebfbda1a55a7e5694f5b2fd78b5a 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1984,3 +1984,14 @@ config ARCH_HAS_SYNC_CORE_BEFORE_USERMODE
 # <asm/syscall_wrapper.h>.
 config ARCH_HAS_SYSCALL_WRAPPER
 	def_bool n
+
+config RANDOM_BOOT_OPTIMIZATION
+	bool "Random initialization optimization during bootup"
+	default n
+	help
+	  Enable optimization on random bootup initialization. It is tested
+	  to provide an optimization of up to 60%.
+
+	  It works by disabling batching of interrupt randomness events
+	  during boot time, allowing interrupt related entropy to flow in
+	  at a higher rate.