diff --git a/configure.ac b/configure.ac
index c5445b737..4e943a8e9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1313,6 +1313,7 @@ RB_CHK_SYSHEADER(gnu/libc-version.h, [GNU_LIBC_VERSION_H])
 RB_CHK_SYSHEADER(gnu/lib-names.h, [GNU_LIB_NAMES_H])
 
 dnl linux platform
+RB_CHK_SYSHEADER(asm/prctl.h, [ASM_PRCTL_H])
 RB_CHK_SYSHEADER(sys/auxv.h, [SYS_AUXV_H])
 RB_CHK_SYSHEADER(sys/sysinfo.h, [SYS_SYSINFO_H])
 RB_CHK_SYSHEADER(sys/eventfd.h, [SYS_EVENTFD_H])
diff --git a/include/ircd/info.h b/include/ircd/info.h
index 53d78379f..93e1e60fa 100644
--- a/include/ircd/info.h
+++ b/include/ircd/info.h
@@ -110,6 +110,7 @@ namespace ircd::info::hardware::x86
 	uint8_t llc_assoc(const uint8_t) noexcept;
 	uint128_t cpuid(const uint &leaf, const uint &subleaf) noexcept;
 
+	extern const bool cpuid_enabled;
 	extern const uint128_t manufact;
 	extern const uint128_t features;
 	extern const uint128_t extended_features;
diff --git a/ircd/info.cc b/ircd/info.cc
index 22ba11f10..c4f6b192c 100644
--- a/ircd/info.cc
+++ b/ircd/info.cc
@@ -10,8 +10,10 @@
 
 #include <RB_INC_UNISTD_H
 #include <RB_INC_CPUID_H
+#include <RB_INC_ASM_PRCTL_H
 #include <RB_INC_SYS_AUXV_H
 #include <RB_INC_SYS_SYSINFO_H
+#include <RB_INC_SYS_SYSCALL_H
 #include <RB_INC_GNU_LIBC_VERSION_H
 
 namespace ircd::info
@@ -275,6 +277,16 @@ ircd::info::dump_cpu_info_x86()
 // x86::x86
 //
 
+decltype(ircd::info::hardware::x86::cpuid_enabled)
+ircd::info::hardware::x86::cpuid_enabled
+{
+	#if defined(__x86_64__) && defined(HAVE_ASM_PRCTL_H)
+		sys::call<SYS_arch_prctl, sys::call::NOTHROW>(ARCH_GET_CPUID, nullptr) == 1
+	#else
+		false
+	#endif
+};
+
 decltype(ircd::info::hardware::x86::manufact)
 ircd::info::hardware::x86::manufact
 {
@@ -430,17 +442,18 @@ ircd::info::hardware::x86::cpuid(const uint &leaf,
                                  const uint &subleaf)
 noexcept
 {
-	uint32_t reg[4];
-	asm volatile
-	(
-		"cpuid" "\n\t"
-		: "=a"  (reg[0]),
-		  "=b"  (reg[1]),
-		  "=c"  (reg[2]),
-		  "=d"  (reg[3])
-		: "0"  (leaf),
-		  "2"  (subleaf)
-	);
+	uint32_t reg[4] {0};
+	if(likely(cpuid_enabled))
+		asm volatile
+		(
+			"cpuid" "\n\t"
+			: "=a"  (reg[0]),
+			  "=b"  (reg[1]),
+			  "=c"  (reg[2]),
+			  "=d"  (reg[3])
+			: "0"  (leaf),
+			  "2"  (subleaf)
+		);
 
 	return uint128_t
 	{