[PATCH] hardening: Document INIT_STACK_ALL_PATTERN behavior with GCC

[Geert Uytterhoeven]

The help text for INIT_STACK_ALL_PATTERN documents the patterns used by
Clang, but lacks documentation for GCC.

Signed-off-by: Geert Uytterhoeven <geert+rene...@glider.be>
---
 security/Kconfig.hardening | 1 +
 1 file changed, 1 insertion(+)

diff --git a/security/Kconfig.hardening b/security/Kconfig.hardening
index c9d5ca3d8d08de23..b56e001e0c6a9533 100644
--- a/security/Kconfig.hardening
+++ b/security/Kconfig.hardening
@@ -127,6 +127,7 @@ choice
                  repeating for all types and padding except float and double
                  which use 0xFF repeating (-NaN). Clang on 32-bit uses 0xFF
                  repeating for all types and padding.
+                 GCC uses 0xFE repeating for all types, and zero for padding.
 
        config INIT_STACK_ALL_ZERO
                bool "zero-init everything (strongest and safest)"
-- 
2.43.0