author: Linus Torvalds <torvalds@linux-foundation.org> 2021-05-28 08:31:48 -1000
committer: Linus Torvalds <torvalds@linux-foundation.org> 2021-05-28 08:31:48 -1000
commit: 8508b97ae2b6c73c2c09798c9fa9d27ec57ff1dc
parent: afdd14704d7eb4d7634cb7ba8d117066fed44282
Commit Summary:
Diffstat:
1 file changed, 4 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index e4468353425a..82ef373caf4d 100644
--- a/Makefile
+++ b/Makefile
@@ -928,6 +928,11 @@ CC_FLAGS_LTO += -fvisibility=hidden
# Limit inlining across translation units to reduce binary size
KBUILD_LDFLAGS += -mllvm -import-instr-limit=5
+
+# Check for frame size exceeding threshold during prolog/epilog insertion.
+ifneq ($(CONFIG_FRAME_WARN),0)
+KBUILD_LDFLAGS += -plugin-opt=-warn-stack-size=$(CONFIG_FRAME_WARN)
+endif
endif
ifdef CONFIG_LTO