drm/msm: return -EFAULT instead of bytes remaining

[cascardo/linux.git] / scripts / Makefile.build

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index e1bc190..0d1ca5b 100644 (file)
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -152,11 +152,11 @@ cmd_cc_s_c       = $(CC) $(c_flags) $(DISABLE_LTO) -fverbose-asm -S -o $@ $<
 $(obj)/%.s: $(src)/%.c FORCE
        $(call if_changed_dep,cc_s_c)
 
-quiet_cmd_cc_i_c = CPP $(quiet_modtag) $@
-cmd_cc_i_c       = $(CPP) $(c_flags)   -o $@ $<
+quiet_cmd_cpp_i_c = CPP $(quiet_modtag) $@
+cmd_cpp_i_c       = $(CPP) $(c_flags) -o $@ $<
 
 $(obj)/%.i: $(src)/%.c FORCE
-       $(call if_changed_dep,cc_i_c)
+       $(call if_changed_dep,cpp_i_c)
 
 cmd_gensymtypes =                                                           \
     $(CPP) -D__GENKSYMS__ $(c_flags) $< |                                   \
@@ -266,26 +266,24 @@ endif # CONFIG_STACK_VALIDATION
 
 define rule_cc_o_c
        $(call echo-cmd,checksrc) $(cmd_checksrc)                         \
-       $(call echo-cmd,cc_o_c) $(cmd_cc_o_c);                            \
+       $(call cmd_and_fixdep,cc_o_c)                                     \
        $(cmd_modversions)                                                \
-       $(cmd_objtool)                                            \
-       $(call echo-cmd,record_mcount)                                    \
-       $(cmd_record_mcount)                                              \
-       scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,cc_o_c)' >    \
-                                                     $(dot-target).tmp;  \
-       rm -f $(depfile);                                                 \
-       mv -f $(dot-target).tmp $(dot-target).cmd
+       $(cmd_objtool)                                                    \
+       $(call echo-cmd,record_mcount) $(cmd_record_mcount)
 endef
 
 define rule_as_o_S
-       $(call echo-cmd,as_o_S) $(cmd_as_o_S);                            \
-       $(cmd_objtool)                                            \
-       scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,as_o_S)' >    \
-                                                     $(dot-target).tmp;  \
-       rm -f $(depfile);                                                 \
-       mv -f $(dot-target).tmp $(dot-target).cmd
+       $(call cmd_and_fixdep,as_o_S)                                     \
+       $(cmd_objtool)
 endef
 
+# List module undefined symbols (or empty line if not enabled)
+ifdef CONFIG_TRIM_UNUSED_KSYMS
+cmd_undef_syms = $(NM) $@ | sed -n 's/^ \+U //p' | xargs echo
+else
+cmd_undef_syms = echo
+endif
+
 # Built-in and composite module parts
 $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_obj) FORCE
        $(call cmd,force_checksrc)
@@ -296,7 +294,8 @@ $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_obj) FORCE
 $(single-used-m): $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_obj) FORCE
        $(call cmd,force_checksrc)
        $(call if_changed_rule,cc_o_c)
-       @{ echo $(@:.o=.ko); echo $@; } > $(MODVERDIR)/$(@F:.o=.mod)
+       @{ echo $(@:.o=.ko); echo $@; \
+          $(cmd_undef_syms); } > $(MODVERDIR)/$(@F:.o=.mod)
 
 quiet_cmd_cc_lst_c = MKLST   $@
       cmd_cc_lst_c = $(CC) $(c_flags) -g -c -o $*.o $< && \
@@ -314,11 +313,11 @@ modkern_aflags := $(KBUILD_AFLAGS_KERNEL) $(AFLAGS_KERNEL)
 $(real-objs-m)      : modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
 $(real-objs-m:.o=.s): modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
 
-quiet_cmd_as_s_S = CPP $(quiet_modtag) $@
-cmd_as_s_S       = $(CPP) $(a_flags)   -o $@ $<
+quiet_cmd_cpp_s_S = CPP $(quiet_modtag) $@
+cmd_cpp_s_S       = $(CPP) $(a_flags) -o $@ $<
 
 $(obj)/%.s: $(src)/%.S FORCE
-       $(call if_changed_dep,as_s_S)
+       $(call if_changed_dep,cpp_s_S)
 
 quiet_cmd_as_o_S = AS $(quiet_modtag)  $@
 cmd_as_o_S       = $(CC) $(a_flags) -c -o $@ $<
@@ -426,7 +425,8 @@ $(call multi_depend, $(multi-used-y), .o, -objs -y)
 
 $(multi-used-m): FORCE
        $(call if_changed,link_multi-m)
-       @{ echo $(@:.o=.ko); echo $(link_multi_deps); } > $(MODVERDIR)/$(@F:.o=.mod)
+       @{ echo $(@:.o=.ko); echo $(link_multi_deps); \
+          $(cmd_undef_syms); } > $(MODVERDIR)/$(@F:.o=.mod)
 $(call multi_depend, $(multi-used-m), .o, -objs -y -m)
 
 targets += $(multi-used-y) $(multi-used-m)