arm64: vdso32: add CONFIG_THUMB2_COMPAT_VDSO

[sfrench/cifs-2.6.git] / arch / arm64 / Kconfig

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 77c440db9d46ca80327fababa2b6b93654ba3e64..63d711001dabbd568b319158652dbceaeccd4086 100644 (file)
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1297,6 +1297,14 @@ config COMPAT_VDSO
          You must have a 32-bit build of glibc 2.22 or later for programs
          to seamlessly take advantage of this.
 
          You must have a 32-bit build of glibc 2.22 or later for programs
          to seamlessly take advantage of this.
 

+config THUMB2_COMPAT_VDSO
+       bool "Compile the 32-bit vDSO for Thumb-2 mode" if EXPERT
+       depends on COMPAT_VDSO
+       default y
+       help
+         Compile the compat vDSO with '-mthumb -fomit-frame-pointer' if y,
+         otherwise with '-marm'.
+

 menuconfig ARMV8_DEPRECATED
        bool "Emulate deprecated/obsolete ARMv8 instructions"
        depends on SYSCTL
 menuconfig ARMV8_DEPRECATED
        bool "Emulate deprecated/obsolete ARMv8 instructions"
        depends on SYSCTL