From: Peter Zijlstra <peterz@infradead.org>
To: "Yatsina, Marina" <marina.yatsina@intel.com>
Cc: Kees Cook <keescook@google.com>,
David Woodhouse <dwmw2@infradead.org>,
Chandler Carruth <chandlerc@google.com>,
"Kreitzer, David L" <david.l.kreitzer@intel.com>,
"Grischenko, Andrei L" <andrei.l.grischenko@intel.com>,
"rnk@google.com" <rnk@google.com>,
LLVM Developers <llvm-dev@lists.llvm.org>,
"ehsan@mozilla.com" <ehsan@mozilla.com>,
"Tayree, Coby" <coby.tayree@intel.com>,
Matthias Braun <matze@braunis.de>,
Dean Michael Berris <dean.berris@gmail.com>,
James Y Knight <jyknight@google.com>,
Guenter Roeck <linux@roeck-us.net>, X86 ML <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Alan Cox <gnomes@lxorguk.ukuu.org.uk>,
Rik van Riel <riel@redhat.com>, Andi Kleen <ak@linux.intel.com>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Tom Lendacky <thomas.lendacky@amd.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Jiri Kosina <jikos@kernel.org>,
Andy Lutomirski <luto@amacapital.net>,
"Hansen, Dave" <dave.hansen@intel.com>,
Tim Chen <tim.c.chen@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linux-foundation.org>,
Paul Turner <pjt@google.com>, Stephen Hines <srhines@google.com>,
Nick Desaulniers <ndesaulniers@google.com>
Subject: Re: clang asm-goto support (Was Re: [PATCH v2] x86/retpoline: Add clang support)
Date: Wed, 14 Feb 2018 10:08:51 +0100 [thread overview]
Message-ID: <20180214090851.GU25181@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <A3D6595E4CE1DA4A80538CC077C51A2B84771848@hasmsx107.ger.corp.intel.com>
On Wed, Feb 14, 2018 at 08:33:39AM +0000, Yatsina, Marina wrote:
> I hope this will give this issue a push forward and we will find a
> solution that will not prevent llvm from compiling linux kernel.
That solution is asm-goto. We (linux kernel) are not going to support
something like it. It's going to be asm-goto or bust. The feature is
over 7 years old by now, deal with it.
If you ever get to the point where it makes sense to build a kernel with
LLVM, then you can bike-shed with the GCC team on new features, until
then tough luck.
next prev parent reply other threads:[~2018-02-14 9:08 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-14 0:28 Kees Cook
2018-02-14 8:33 ` Yatsina, Marina
2018-02-14 8:41 ` Chandler Carruth
2018-02-14 9:10 ` Peter Zijlstra
2018-02-14 10:44 ` Thomas Gleixner
2018-02-14 9:53 ` Greg Kroah-Hartman
2018-02-14 10:07 ` Yatsina, Marina
2018-02-14 10:17 ` Chandler Carruth
2018-02-14 9:08 ` Peter Zijlstra [this message]
2018-02-14 9:52 ` Yatsina, Marina
2018-02-14 10:34 ` Peter Zijlstra
2018-02-14 12:04 ` Ingo Molnar
2018-02-14 23:07 ` Ingo Molnar
2018-02-14 17:39 ` Linus Torvalds
2018-02-14 17:31 ` Kees Cook
2018-02-14 18:39 ` Peter Zijlstra
2018-02-14 15:31 ` James Y Knight
2018-02-14 17:21 ` Andy Lutomirski
2018-02-14 17:43 ` Linus Torvalds
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