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-rw-r--r--config/Config-kernel.in11
1 files changed, 11 insertions, 0 deletions
diff --git a/config/Config-kernel.in b/config/Config-kernel.in
index 3a2189d63a..32524f5aed 100644
--- a/config/Config-kernel.in
+++ b/config/Config-kernel.in
@@ -387,6 +387,17 @@ 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