lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 17 Mar 2020 02:41:21 +0100 (CET) From: Jiri Kosina <jikos@...nel.org> To: Sergei Trofimovich <slyfox@...too.org> cc: linux-kernel@...r.kernel.org, Masahiro Yamada <masahiroy@...nel.org>, Michal Marek <michal.lkml@...kovi.net>, linux-kbuild@...r.kernel.org Subject: Re: [PATCH] Makefile: disallow data races on gcc-10 as well On Tue, 17 Mar 2020, Jiri Kosina wrote: > > The flag change happened at https://gcc.gnu.org/PR92046. > > > > CC: Jiri Kosina <jkosina@...e.cz> > > CC: Masahiro Yamada <masahiroy@...nel.org> > > CC: Michal Marek <michal.lkml@...kovi.net> > > CC: linux-kbuild@...r.kernel.org > > Signed-off-by: Sergei Trofimovich <slyfox@...too.org> > > --- > > 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@...e.cz> Thanks, -- Jiri Kosina SUSE Labs
Powered by blists - more mailing lists