On Sun, Mar 31, 2013 at 10:59:09PM +0200, Richard Weinberger wrote: > If we have to compile sha256.c on ia64 with -O0 to produce sane code > do it only on ia64. > > This change makes executing a new kernel on my AMD geode CPU much faster. > Without the patch "kexec -e" takes 27 seconds, with only 16. > > Signed-off-by: Richard Weinberger <richard at nod.at> > --- > purgatory/Makefile | 15 +-------------- > purgatory/arch/ia64/Makefile | 3 +++ > 2 files changed, 4 insertions(+), 14 deletions(-) > > diff --git a/purgatory/Makefile b/purgatory/Makefile > index e39adec..6be8362 100644 > --- a/purgatory/Makefile > +++ b/purgatory/Makefile > @@ -16,16 +16,7 @@ PURGATORY_SRCS += purgatory/string.c > dist += purgatory/Makefile $(PURGATORY_SRCS) \ > purgatory/include/purgatory.h purgatory/include/string.h > > -include $(srcdir)/purgatory/arch/alpha/Makefile > -include $(srcdir)/purgatory/arch/arm/Makefile > -include $(srcdir)/purgatory/arch/i386/Makefile > -include $(srcdir)/purgatory/arch/ia64/Makefile > -include $(srcdir)/purgatory/arch/mips/Makefile > -include $(srcdir)/purgatory/arch/ppc/Makefile > -include $(srcdir)/purgatory/arch/ppc64/Makefile > -include $(srcdir)/purgatory/arch/s390/Makefile > -include $(srcdir)/purgatory/arch/sh/Makefile > -include $(srcdir)/purgatory/arch/x86_64/Makefile > +include $(srcdir)/purgatory/arch/$(ARCH)/Makefile I believe the above portion will break make dist my causing it to omit purgatory/arch/* other than purgatory/arch/$(ARCH) > > PURGATORY_SRCS+=$($(ARCH)_PURGATORY_SRCS) > > @@ -36,10 +27,6 @@ clean += $(PURGATORY_OBJS) $(PURGATORY_DEPS) $(PURGATORY) > > -include $(PURGATORY_DEPS) > > -# sha256.c needs to be compiled without optimization, else > -# purgatory fails to execute on ia64. > -purgatory/sha256.o: CFLAGS += -O0 > - > purgatory/sha256.o: $(srcdir)/util_lib/sha256.c > mkdir -p $(@D) > $(COMPILE.c) -o $@ $^ > diff --git a/purgatory/arch/ia64/Makefile b/purgatory/arch/ia64/Makefile > index 32c3d97..a8a5c62 100644 > --- a/purgatory/arch/ia64/Makefile > +++ b/purgatory/arch/ia64/Makefile > @@ -11,3 +11,6 @@ ia64_PURGATORY_EXTRA_CFLAGS = -ffixed-r28 > dist += purgatory/arch/ia64/Makefile $(ia64_PURGATORY_SRCS) \ > purgatory/arch/ia64/io.h purgatory/arch/ia64/purgatory-ia64.h > > +# sha256.c needs to be compiled without optimization, else > +# purgatory fails to execute on ia64. > +purgatory/sha256.o: ia64_PURGATORY_EXTRA_CFLAGS += -O0 > -- > 1.8.1.4 > > > _______________________________________________ > kexec mailing list > kexec at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/kexec >
