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From: Peter Zijlstra <peterz@infradead.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: kernel test robot <xiaolong.ye@intel.com>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Matthias Kaehlcke <mka@chromium.org>,
	Alexander Potapenko <glider@google.com>,
	Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	Dmitriy Vyukov <dvyukov@google.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Miguel Bernal Marin <miguel.bernal.marin@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>,
	lkp@01.org
Subject: Re: [lkp-robot] [x86/asm]  f5caf621ee: PANIC:double_fault
Date: Thu, 28 Sep 2017 13:49:52 +0200
Message-ID: <20170928114952.7m7zr4zr6i5d56ko@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20170928084941.ygmvb6qfn3otfvac@gmail.com>

On Thu, Sep 28, 2017 at 10:49:41AM +0200, Ingo Molnar wrote:
> > Sure, but its still an officially supported GCC version. So either it
> > must be made to work, or we must update the minimal GCC version
> > requirements for the kernel.
> 
> Of course! I just mean I'd not be surprised if this was a GCC bug/quirk
> with legacy GCC versions that probably won't be fixed.

Ah, I recently had a case where this old GCC-4.4 crashed on 'obviously'
broken code while newer GCC's somehow made it 'work'.

  reply index

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-28  7:47 kernel test robot
2017-09-28  7:59 ` Ingo Molnar
2017-09-28  8:18   ` Peter Zijlstra
2017-09-28  8:49     ` Ingo Molnar
2017-09-28 11:49       ` Peter Zijlstra [this message]
2017-09-28 16:21 ` Linus Torvalds
2017-09-28 16:44   ` Josh Poimboeuf
2017-09-28 17:01     ` Josh Poimboeuf
2017-09-28 19:10       ` Josh Poimboeuf
2017-09-28 21:58         ` [PATCH] x86/asm: Fix inline asm call constraints for GCC 4.4 Josh Poimboeuf
2017-09-28 23:53           ` Linus Torvalds
2017-09-29  1:40             ` Josh Poimboeuf
2017-09-29  8:01               ` Ingo Molnar
2017-09-29 10:32                 ` Ye Xiaolong
2017-09-29  7:51             ` Ingo Molnar
2017-09-29 15:29               ` Arnd Bergmann
2017-09-29  9:27           ` [tip:x86/urgent] " tip-bot for Josh Poimboeuf
2017-09-29 11:18           ` tip-bot for Josh Poimboeuf

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