On Tue, 17 Mar 2020, Jiri Kosina wrote: > > The flag change happened at https://gcc.gnu.org/PR92046. > > > > CC: Jiri Kosina <jkosina@xxxxxxx> > > CC: Masahiro Yamada <masahiroy@xxxxxxxxxx> > > CC: Michal Marek <michal.lkml@xxxxxxxxxxx> > > CC: linux-kbuild@xxxxxxxxxxxxxxx > > Signed-off-by: Sergei Trofimovich <slyfox@xxxxxxxxxx> > > --- > > Makefile | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/Makefile b/Makefile > > index 171f2b004c8a..9696eb2cd5a1 100644 > > --- a/Makefile > > +++ b/Makefile > > @@ -714,6 +714,7 @@ endif > > > > # Tell gcc to never replace conditional load with a non-conditional one > > KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0) > > +KBUILD_CFLAGS += $(call cc-option,-fno-allow-store-data-races) > > I have to say I can't really read gcc sources without major cerebral pain, > so let me me dense here: what happens to gcc<10 if you pass > -fno-allow-store-data-races to it? Sorry, brainfart on my side, your patch is good :) Acked-by: Jiri Kosina <jkosina@xxxxxxx> Thanks, -- Jiri Kosina SUSE Labs
