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SubjectRe: [PATCH v3 2/9] kbuild: Support for Symbols.list creation
On Wed, Apr 10, 2019 at 11:50:51AM -0400, Joe Lawrence wrote:
> -clean: archclean vmlinuxclean
> +klpclean:
> + $(Q) rm -f $(objtree)/Symbols.list

nit: $(SLIST) can be used here.

> +clean: archclean vmlinuxclean klpclean
>
> # mrproper - Delete all generated files, including .config
> #
> diff --git a/samples/livepatch/Makefile b/samples/livepatch/Makefile
> index 2472ce39a18d..8b9b42a258ad 100644
> --- a/samples/livepatch/Makefile
> +++ b/samples/livepatch/Makefile
> @@ -1,3 +1,4 @@
> +LIVEPATCH_livepatch-sample := y
> obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-sample.o
> obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-shadow-mod.o
> obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-shadow-fix1.o
> diff --git a/scripts/Makefile.build b/scripts/Makefile.build
> index 76ca30cc4791..ca76bd2080f0 100644
> --- a/scripts/Makefile.build
> +++ b/scripts/Makefile.build
> @@ -246,6 +246,11 @@ cmd_gen_ksymdeps = \
> $(CONFIG_SHELL) $(srctree)/scripts/gen_ksymdeps.sh $@ >> $(dot-target).cmd
> endif
>
> +ifdef CONFIG_LIVEPATCH
> +cmd_livepatch = $(if $(LIVEPATCH_$(basetarget)), \
> + $(shell touch $(MODVERDIR)/$(basetarget).livepatch))
> +endif
> +
> define rule_cc_o_c
> $(call cmd,checksrc)
> $(call cmd_and_fixdep,cc_o_c)
> @@ -280,6 +285,7 @@ $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE
> $(single-used-m): $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE
> $(call cmd,force_checksrc)
> $(call if_changed_rule,cc_o_c)
> + $(call cmd_livepatch)

nit: maybe use "cmd,livepatch" to be consistent with the other call of
this function.

> @{ echo $(@:.o=.ko); echo $@; \
> $(cmd_undef_syms); } > $(MODVERDIR)/$(@F:.o=.mod)
>
> @@ -456,6 +462,7 @@ cmd_link_multi-m = $(LD) $(ld_flags) -r -o $@ $(filter %.o,$^) $(cmd_secanalysis
>
> $(multi-used-m): FORCE
> $(call if_changed,link_multi-m)
> + $(call cmd,livepatch)
> @{ echo $(@:.o=.ko); echo $(filter %.o,$^); \
> $(cmd_undef_syms); } > $(MODVERDIR)/$(@F:.o=.mod)
> $(call multi_depend, $(multi-used-m), .o, -objs -y -m)
> --
> 2.20.1
>

--
Artem

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