X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=arch%2Farm%2Fmm%2FKconfig;h=8a5f1e644104922ad427e7abb33c63144baf9174;hb=e5b61deb3af465f11db7e5e11944ba00a33ece1f;hp=c43c714555661337048b72a5a21a6b5357659567;hpb=3d883483dc0a7261d73d8b1857a7387a1dd99eee;p=firefly-linux-kernel-4.4.55.git

diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index c43c71455566..8a5f1e644104 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -825,6 +825,20 @@ config KUSER_HELPERS
 	  Say N here only if you are absolutely certain that you do not
 	  need these helpers; otherwise, the safe option is to say Y.
 
+config VDSO
+	bool "Enable VDSO for acceleration of some system calls"
+	depends on AEABI && MMU
+	default y if ARM_ARCH_TIMER
+	select GENERIC_TIME_VSYSCALL
+	help
+	  Place in the process address space an ELF shared object
+	  providing fast implementations of gettimeofday and
+	  clock_gettime.  Systems that implement the ARM architected
+	  timer will receive maximum benefit.
+
+	  You must have glibc 2.22 or later for programs to seamlessly
+	  take advantage of this.
+
 config DMA_CACHE_RWFO
 	bool "Enable read/write for ownership DMA cache maintenance"
 	depends on CPU_V6K && SMP
@@ -892,13 +906,6 @@ config CACHE_L2X0
 
 if CACHE_L2X0
 
-config CACHE_PL310
-	bool
-	default y if CPU_V7 && !(CPU_V6 || CPU_V6K)
-	help
-	  This option enables optimisations for the PL310 cache
-	  controller.
-
 config PL310_ERRATA_588369
 	bool "PL310 errata: Clean & Invalidate maintenance operations do not invalidate clean lines"
 	help