diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index fe0902b15..ca11b168f 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -431,6 +431,14 @@ inline static uint32_t has_rtm(void) {
 	return (cpu_info.feature4 & CPU_FEATURE_RTM);
 }
 
+inline static uint32_t has_clflushopt(void) {
+	return (cpu_info.feature4 & CPU_FEATURE_CLFLUSHOPT);
+}
+
+inline static uint32_t has_clwb(void) {
+	return (cpu_info.feature4 & CPU_FEATURE_CLWB);
+}
+
 inline static uint32_t has_avx512f(void) {
 	return (cpu_info.feature4 & CPU_FEATURE_AVX512F);
 }
@@ -722,6 +730,16 @@ static inline void clflush(volatile void *addr)
 	asm volatile("clflush %0" : "+m" (*(volatile char *)addr));
 }
 
+static inline void clwb(volatile void *addr)
+{
+	asm volatile("clwb %0" : "+m" (*(volatile char *)addr));
+}
+
+static inline void  clflushopt(volatile void *addr)
+{
+	asm volatile("clflushopt %0" : "+m" (*(volatile char *)addr));
+}
+
 #if 0
 // the old way to serialize the store and load operations
 static inline void mb(void) { asm volatile ("lock; addl $0,0(%%esp)" ::: "memory", "cc"); }
diff --git a/arch/x86/kernel/processor.c b/arch/x86/kernel/processor.c
index 15202f638..01b0bbfe3 100644
--- a/arch/x86/kernel/processor.c
+++ b/arch/x86/kernel/processor.c
@@ -553,7 +553,7 @@ int cpu_detection(void) {
 		a = b = c = d = 0;
                 cpuid(1, &a, &b, &cpu_info.feature2, &cpu_info.feature1);
 
-		LOG_INFO("CPU features: %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
+		LOG_INFO("CPU features: %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
 			has_sse() ? "SSE " : "",
 			has_sse2() ? "SSE2 " : "",
 			has_sse3() ? "SSE3 " : "",
@@ -580,6 +580,8 @@ int cpu_detection(void) {
 			has_rtm() ? "RTM " : "",
 			has_hle() ? "HLE " : "",
 			has_cqm() ? "CQM " : "",
+			has_clflushopt() ? "CLFLUSHOPT " : "",
+			has_clwb() ? "CLWB " : "",
 			has_avx512f() ? "AVX512F " : "",
 			has_avx512cd() ? "AVX512CD " : "",
 			has_avx512pf() ? "AVX512PF " : "",