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Date: Thu, 19 May 2011 17:31:01 GMT From: tip-bot for Michal Marek <mmarek@...e.cz> To: linux-tip-commits@...r.kernel.org Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com, rostedt@...dmis.org, mmarek@...e.cz, tglx@...utronix.de Subject: [tip:perf/core] ftrace/kbuild: Add recordmcount files to force full build Commit-ID: d6971822c288ce5547190c6f812cc978d6520777 Gitweb: http://git.kernel.org/tip/d6971822c288ce5547190c6f812cc978d6520777 Author: Michal Marek <mmarek@...e.cz> AuthorDate: Tue, 17 May 2011 15:36:46 +0200 Committer: Steven Rostedt <rostedt@...dmis.org> CommitDate: Thu, 19 May 2011 07:58:28 -0400 ftrace/kbuild: Add recordmcount files to force full build Modifications to recordmcount must be performed on all object files to stay consistent with what the kernel code may expect. Add the recordmcount files to the main dependencies to make sure any change to them causes a full recompile. Signed-off-by: Michal Marek <mmarek@...e.cz> Link: http://lkml.kernel.org/r/20110517133646.GP13293@sepie.suse.cz Signed-off-by: Steven Rostedt <rostedt@...dmis.org> --- scripts/Makefile.build | 7 +++++-- 1 files changed, 5 insertions(+), 2 deletions(-) diff --git a/scripts/Makefile.build b/scripts/Makefile.build index fdca952..6165622 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -255,6 +255,8 @@ sub_cmd_record_mcount = \ if [ $(@) != "scripts/mod/empty.o" ]; then \ $(objtree)/scripts/recordmcount $(RECORDMCOUNT_FLAGS) "$(@)"; \ fi; +recordmcount_source := $(srctree)/scripts/recordmcount.c \ + $(srctree)/scripts/recordmcount.h else sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \ "$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \ @@ -262,6 +264,7 @@ sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH "$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CFLAGS)" \ "$(LD)" "$(NM)" "$(RM)" "$(MV)" \ "$(if $(part-of-module),1,0)" "$(@)"; +recordmcount_source := $(srctree)/scripts/recordmcount.pl endif cmd_record_mcount = \ if [ "$(findstring -pg,$(_c_flags))" = "-pg" ]; then \ @@ -282,13 +285,13 @@ define rule_cc_o_c endef # Built-in and composite module parts -$(obj)/%.o: $(src)/%.c FORCE +$(obj)/%.o: $(src)/%.c $(recordmcount_source) FORCE $(call cmd,force_checksrc) $(call if_changed_rule,cc_o_c) # Single-part modules are special since we need to mark them in $(MODVERDIR) -$(single-used-m): $(obj)/%.o: $(src)/%.c FORCE +$(single-used-m): $(obj)/%.o: $(src)/%.c $(recordmcount_source) FORCE $(call cmd,force_checksrc) $(call if_changed_rule,cc_o_c) @{ echo $(@:.o=.ko); echo $@; } > $(MODVERDIR)/$(@F:.o=.mod) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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