From: Alexander Tsoy <alexander@tsoy.me>
To: Linus Torvalds <torvalds@linux-foundation.org>,
Andy Lutomirski <luto@amacapital.net>,
Dave Hansen <dave.hansen@intel.com>
Cc: "Toralf Förster" <toralf.foerster@gmx.de>,
stable <stable@vger.kernel.org>,
"Linux Kernel" <linux-kernel@vger.kernel.org>,
"the arch/x86 maintainers" <x86@kernel.org>,
"Josh Poimboeuf" <jpoimboe@redhat.com>
Subject: Re: 4.14.9 doesn't boot (regression)
Date: Sat, 30 Dec 2017 12:14:02 +0300 [thread overview]
Message-ID: <1514625242.2379.4.camel@tsoy.me> (raw)
In-Reply-To: <CA+55aFyJDzwih5yp6m=+NpKcJQhMD8OitTjh-+9FVOO_PmeqAw@mail.gmail.com>
В Пт, 29/12/2017 в 17:34 -0800, Linus Torvalds пишет:
> On Fri, Dec 29, 2017 at 5:00 PM, Linus Torvalds
> <torvalds@linux-foundation.org> wrote:
> >
> > Good. I was not feeling so happy about this bug report, but now I
> > can
> > firmly just blame the gentoo compiler for having some shit-for-
> > brains
> > "feature".
>
> Looks like I can generate similar bad code with the F26 version of
> gcc, it's just not enabled by default.
>
> So all gentoo did was change the default options.
Yes, and only in hardened profile, so most users don't have -fstack-
check by default. :)
>
> I suspect we should just add a
>
> KBUILD_CFLAGS += $(call cc-option,-fno-stack-check,)
>
> somewhere to the main Makefile, just to make sure.
>
> Maybe like the appended?
>
> Toralf, Alexander, does this make things JustWork(tm) for you?
I can confirm that with your patch my gcc produces working kernel.
next prev parent reply other threads:[~2017-12-30 9:14 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-29 11:14 Toralf Förster
2017-12-29 13:33 ` Sebastian Gottschall
2017-12-29 13:38 ` Toralf Förster
2017-12-29 15:29 ` Andy Shevchenko
2017-12-29 15:48 ` Alexander Tsoy
2017-12-29 15:52 ` Toralf Förster
2017-12-29 20:12 ` Linus Torvalds
2017-12-29 20:21 ` Ingo Molnar
2017-12-29 21:02 ` Toralf Förster
2017-12-29 21:17 ` Linus Torvalds
2017-12-29 21:39 ` Linus Torvalds
2017-12-29 22:04 ` Alexander Tsoy
2017-12-29 22:30 ` Toralf Förster
2017-12-29 22:53 ` Linus Torvalds
2017-12-29 23:14 ` Toralf Förster
2017-12-30 0:10 ` Andy Lutomirski
2017-12-30 1:00 ` Linus Torvalds
2017-12-30 1:34 ` Linus Torvalds
2017-12-30 9:14 ` Alexander Tsoy [this message]
2017-12-30 9:21 ` Toralf Förster
2017-12-30 1:13 ` Alexander Tsoy
2017-12-30 12:58 ` Toralf Förster
2017-12-30 13:14 ` Jiri Kosina
2017-12-30 3:49 ` Josh Poimboeuf
2017-12-30 8:45 ` Alexander Tsoy
2017-12-30 17:09 ` Josh Poimboeuf
2017-12-30 17:57 ` Josh Poimboeuf
2017-12-30 22:03 ` Alexander Tsoy
2017-12-30 22:16 ` Josh Poimboeuf
2017-12-30 9:30 ` Toralf Förster
2017-12-30 8:32 ` Toralf Förster
2017-12-30 9:53 ` Jiri Kosina
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