[PATCH 4.9 002/101] disable stringop truncation warnings for now

From: Greg Kroah-Hartman
Date: Thu Dec 06 2018 - 09:54:41 EST


4.9-stable review patch. If anyone has any objections, please let me know.

------------------

From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>

commit 217c3e0196758662aa0429863b09d1c13da1c5d6 upstream.

They are too noisy

Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
Makefile | 3 +++
1 file changed, 3 insertions(+)

--- a/Makefile
+++ b/Makefile
@@ -802,6 +802,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wdecl
# disable pointer signed / unsigned warnings in gcc 4.0
KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign)

+# disable stringop warnings in gcc 8+
+KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
+
# disable invalid "can't wrap" optimizations for signed / pointers
KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow)