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-rw-r--r--arch/i386/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 6662f8c44798..3bb221db164a 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -780,6 +780,17 @@ config HOTPLUG_CPU
enable suspend on SMP systems. CPUs can be controlled through
/sys/devices/system/cpu.
+config COMPAT_VDSO
+ bool "Compat VDSO support"
+ default y
+ help
+ Map the VDSO to the predictable old-style address too.
+ ---help---
+ Say N here if you are running a sufficiently recent glibc
+ version (2.3.3 or later), to remove the high-mapped
+ VDSO mapping and to exclusively use the randomized VDSO.
+
+ If unsure, say Y.
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