kernel: Set CONFIG_FRAME_WARN depending on target

[openwrt/staging/wigyori.git] / config / Config-kernel.in

diff --git a/config/Config-kernel.in b/config/Config-kernel.in
index 6c5e6a967a52988dfb4b26b4dbfd3ee9f97deaa4..7de0d17b5eaa58ceab885f4a931dc4acd118272c 100644 (file)
--- a/config/Config-kernel.in
+++ b/config/Config-kernel.in
@@ -397,6 +397,17 @@ config KERNEL_DEBUG_INFO_REDUCED
          DEBUG_INFO build and compile times are reduced too.
          Only works with newer gcc versions.
 
+config KERNEL_FRAME_WARN
+       int
+       range 0 8192
+       default 1280 if KERNEL_KASAN && !ARCH_64BIT
+       default 1024 if !ARCH_64BIT
+       default 2048 if ARCH_64BIT
+       help
+         Tell the compiler to warn at build time for stack frames larger than this.
+         Setting this too low will cause a lot of warnings.
+         Setting it to 0 disables the warning.
+
 # KERNEL_DEBUG_LL symbols must have the default value set as otherwise
 # KConfig wont evaluate them unless KERNEL_EARLY_PRINTK is selected
 # which means that buildroot wont override the DEBUG_LL symbols in target