From: Ben Hutchings <ben@decadent.org.uk>
Date: Sun, 14 Jan 2018 19:27:18 +0000 (+0000)
Subject: Revert "objtool: Fix CONFIG_STACK_VALIDATION=y warning for out-of-tree modules"
X-Git-Tag: archive/raspbian/4.15.17-1+rpi1^2~57
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=fa323725bb0189fc17aac49a20d241c6a7114b84;p=linux.git

Revert "objtool: Fix CONFIG_STACK_VALIDATION=y warning for out-of-tree modules"

This reverts commit 9f0c18aec620bc9d82268b3cb937568dd07b43ff.  This
check doesn't make sense for OOT modules as they should always use
a pre-built objtool.

Gbp-Pq: Topic debian
Gbp-Pq: Name revert-objtool-fix-config_stack_validation-y-warning.patch
---

diff --git a/Makefile b/Makefile
index f8d54b51e79..a7b285f7130 100644
--- a/Makefile
+++ b/Makefile
@@ -938,22 +938,6 @@ mod_sign_cmd = true
 endif
 export mod_sign_cmd
 
-ifdef CONFIG_STACK_VALIDATION
-  has_libelf := $(call try-run,\
-		echo "int main() {}" | $(HOSTCC) -xc -o /dev/null -lelf -,1,0)
-  ifeq ($(has_libelf),1)
-    objtool_target := tools/objtool FORCE
-  else
-    ifdef CONFIG_UNWINDER_ORC
-      $(error "Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel")
-    else
-      $(warning "Cannot use CONFIG_STACK_VALIDATION=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel")
-    endif
-    SKIP_STACK_VALIDATION := 1
-    export SKIP_STACK_VALIDATION
-  endif
-endif
-
 
 ifeq ($(KBUILD_EXTMOD),)
 core-y		+= kernel/ certs/ mm/ fs/ ipc/ security/ crypto/ block/
@@ -1090,6 +1074,22 @@ uapi-asm-generic:
 	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
 	            src=uapi/asm obj=arch/$(SRCARCH)/include/generated/uapi/asm
 
+ifdef CONFIG_STACK_VALIDATION
+  has_libelf := $(call try-run,\
+		echo "int main() {}" | $(HOSTCC) -xc -o /dev/null -lelf -,1,0)
+  ifeq ($(has_libelf),1)
+    objtool_target := tools/objtool FORCE
+  else
+    ifdef CONFIG_UNWINDER_ORC
+      $(error "Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel")
+    else
+      $(warning "Cannot use CONFIG_STACK_VALIDATION=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel")
+    endif
+    SKIP_STACK_VALIDATION := 1
+    export SKIP_STACK_VALIDATION
+  endif
+endif
+
 PHONY += prepare-objtool
 prepare-objtool: $(objtool_target)