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authorRussell King <rmk+kernel@armlinux.org.uk>2017-07-05 13:06:59 +0300
committerRussell King <rmk+kernel@armlinux.org.uk>2017-07-05 13:06:59 +0300
commit98becb781e3e27d74efe5f3653b948d39f694cfb (patch)
tree63d7bcd1ab22c73fb2ecd1670e6bc5c67f6ab560 /arch/arm/mm
parent9e25ebfe56ece7541cd10a20d715cbdd148a2e06 (diff)
parentcd83935be8f5c28ea099ad1efa6321c737e2e12a (diff)
downloadlinux-98becb781e3e27d74efe5f3653b948d39f694cfb.tar.xz
Merge branches 'fixes' and 'misc' into for-linus
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/Kconfig6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index c6c4c9c8824b..4f68659abe6c 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -679,7 +679,7 @@ config ARCH_DMA_ADDR_T_64BIT
bool
config ARM_THUMB
- bool "Support Thumb user binaries" if !CPU_THUMBONLY
+ bool "Support Thumb user binaries" if !CPU_THUMBONLY && EXPERT
depends on CPU_THUMB_CAPABLE
default y
help
@@ -690,6 +690,10 @@ config ARM_THUMB
instruction set resulting in smaller binaries at the expense of
slightly less efficient code.
+ If this option is disabled, and you run userspace that switches to
+ Thumb mode, signal handling will not work correctly, resulting in
+ segmentation faults or illegal instruction aborts.
+
If you don't know what this all is, saying Y is a safe choice.
config ARM_THUMBEE