diff --git a/[refs] b/[refs]
index fb0e0597e191..e3d11951cf50 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 05ad717c77b1b8e98a1dd768c3700036d634629e
+refs/heads/master: e90c83f757fffdacec8b3c5eee5617dcc038338f
diff --git a/trunk/arch/x86/Kconfig b/trunk/arch/x86/Kconfig
index 46c3bff3ced2..a4135b5e562e 100644
--- a/trunk/arch/x86/Kconfig
+++ b/trunk/arch/x86/Kconfig
@@ -108,6 +108,7 @@ config X86
 	select GENERIC_STRNLEN_USER
 	select HAVE_RCU_USER_QS if X86_64
 	select HAVE_IRQ_TIME_ACCOUNTING
+	select HAS_PERSISTENT_CLOCK
 	select GENERIC_KERNEL_THREAD
 	select GENERIC_KERNEL_EXECVE
 	select MODULES_USE_ELF_REL if X86_32