nfp: bpf: fix static check error through tightening shift amount adjustment

[linux.git] / Makefile

diff --git a/Makefile b/Makefile
index f4b0ae1b5c6a07622962eb75a0f5b0271e5921c0..bcf2e7628fe50b7297761dc59919cc8e22fc9560 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -401,6 +401,7 @@ NM          = $(CROSS_COMPILE)nm
 STRIP          = $(CROSS_COMPILE)strip
 OBJCOPY                = $(CROSS_COMPILE)objcopy
 OBJDUMP                = $(CROSS_COMPILE)objdump
+PAHOLE         = pahole
 LEX            = flex
 YACC           = bison
 AWK            = awk
@@ -455,7 +456,7 @@ KBUILD_LDFLAGS :=
 GCC_PLUGINS_CFLAGS :=
 
 export ARCH SRCARCH CONFIG_SHELL HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE AS LD CC
-export CPP AR NM STRIP OBJCOPY OBJDUMP KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS
+export CPP AR NM STRIP OBJCOPY OBJDUMP PAHOLE KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS
 export MAKE LEX YACC AWK INSTALLKERNEL PERL PYTHON PYTHON2 PYTHON3 UTS_MACHINE
 export HOSTCXX KBUILD_HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS
 
@@ -748,6 +749,11 @@ KBUILD_CFLAGS      += -fomit-frame-pointer
 endif
 endif
 
+# Initialize all stack variables with a pattern, if desired.
+ifdef CONFIG_INIT_STACK_ALL
+KBUILD_CFLAGS  += -ftrivial-auto-var-init=pattern
+endif
+
 DEBUG_CFLAGS   := $(call cc-option, -fno-var-tracking-assignments)
 
 ifdef CONFIG_DEBUG_INFO