linux-kernel - Re: more build problems with "Makefile: move stackprotector availability out of Kconfig"

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Date:   Tue, 17 Oct 2017 12:56:45 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Mark Brown <broonie@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Subject: Re: more build problems with
 "Makefile: move stackprotector availability out of Kconfig"

On Tue, 17 Oct 2017 11:53:10 -0700 Kees Cook <keescook@...omium.org> wrote:

> On Tue, Oct 17, 2017 at 11:52 AM, Mark Brown <broonie@...nel.org> wrote:
> > On Tue, Oct 17, 2017 at 08:47:06PM +0200, Arnd Bergmann wrote:
> >
> >> To clarify: with my gcc-4.9/gcc-5 build, -mstack-protector-guard=tls
> >> has no effect,
> >> the output is the same as with -mstack-protector-guard=global using the Ubuntu
> >> compilers of the same version.
> >
> > Jumping in here...  on IRC Arnd suggested reverting 123c48cf899d
> > ("Makefile: introduce CONFIG_CC_STACKPROTECTOR_AUTO") from -next.  What
> > do you think Kees?
> 
> Until we sort this out, yes, agreed. Andrew, can you pull the patches?

Sure.  All these?

sh-boot-add-static-stack-protector-to-pre-kernel.patch
makefile-move-stackprotector-availability-out-of-kconfig.patch
makefile-introduce-config_cc_stackprotector_auto.patch
makefile-introduce-config_cc_stackprotector_auto-fix.patch
makefile-introduce-config_cc_stackprotector_auto-fix-2.patch
makefile-introduce-config_cc_stackprotector_auto-fix-3.patch

Mark, can you please drop those from -next also?