ARM: initial stack protector (-fstack-protector) support

This is the very basic stuff without the changing canary upon
task switch yet.  Just the Kconfig option and a constant canary
value initialized at boot time.

Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
(cherry picked from commit c743f38013aeff58ef6252601e397b5ba281c633)

Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 8940bb3..4676476 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1941,3 +1941,4 @@ source "security/Kconfig"
 source "crypto/Kconfig"
 
 source "lib/Kconfig"
+