From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Kevin Hilman <khilman@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Marc Zyngier <marc.zyngier@arm.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Will Deacon <Will.Deacon@arm.com>,
Simon Horman <horms@verge.net.au>,
Tyler Baker <tyler.baker@linaro.org>, Nishanth Menon <nm@ti.com>,
Arnd Bergmann <arnd@arndb.de>,
"linux-sh@vger.kernel.org" <linux-sh@vger.kernel.org>,
Catalin Marinas <Catalin.Marinas@arm.com>,
Magnus Damm <magnus.damm@gmail.com>,
"grygorii.strashko@linaro.org" <grygorii.strashko@linaro.org>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Linux Kernel Development <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH] mm/migrate: Mark unmap_and_move() "noinline" to avoid ICE in gcc 4.7.3
Date: Wed, 1 Apr 2015 22:59:50 +0100 [thread overview]
Message-ID: <20150401215950.GC4027@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <7hwq1v4iq4.fsf@deeprootsystems.com>
On Wed, Apr 01, 2015 at 02:54:59PM -0700, Kevin Hilman wrote:
> Your patch on top of Geert's still compiles fine for me with gcc-4.7.3.
> However, I'm not sure how specific we can be on the versions.
>
> /me goes to test a few more compilers... OK...
>
> ICE: 4.7.1, 4.7.3, 4.8.3
> OK: 4.6.3, 4.9.2, 4.9.3
>
> The diff below[2] on top of yours compiles fine here and at least covers
> the compilers I *know* to trigger the ICE.
Interesting. I'm using stock gcc 4.7.4 here, though I'm not building
-next (only mainline + my tree + arm-soc) and it hasn't shown a problem
yet.
I think we need to ask the question: is the bug in stock GCC or Linaro
GCC? If it's not in stock GCC, then it's a GCC vendor problem :)
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next prev parent reply other threads:[~2015-04-01 22:00 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20150324004537.GA24816@verge.net.au>
[not found] ` <CAKv+Gu-0jPk=KQ4gY32ELc+BVbe=1QdcrwQ+Pb=RkdwO9K3Vkw@mail.gmail.com>
[not found] ` <20150324161358.GA694@kahuna>
[not found] ` <20150326003939.GA25368@verge.net.au>
[not found] ` <20150326133631.GB2805@arm.com>
[not found] ` <CANMBJr68dsbYvvHUzy6U4m4fEM6nq8dVHBH4kLQ=0c4QNOhLPQ@mail.gmail.com>
[not found] ` <20150327002554.GA5527@verge.net.au>
[not found] ` <20150327100612.GB1562@arm.com>
[not found] ` <7hbnj99epe.fsf@deeprootsystems.com>
[not found] ` <CAKv+Gu_ZHZFm-1eXn+r7fkEHOxqSmj+Q+Mmy7k6LK531vSfAjQ@mail.gmail.com>
[not found] ` <7h8uec95t2.fsf@deeprootsystems.com>
2015-04-01 9:37 ` [PATCH] mm/migrate: Mark unmap_and_move() "noinline" to avoid ICE in gcc 4.7.3 (was: Re: Possible regression in gcc 4.7.3 next-20150323 due to "ARM, arm64: kvm: get rid of the bounce page") Geert Uytterhoeven
2015-04-01 9:47 ` [PATCH] mm/migrate: Mark unmap_and_move() "noinline" to avoid ICE in gcc 4.7.3 Marc Zyngier
2015-04-01 19:40 ` Andrew Morton
2015-04-01 21:54 ` Kevin Hilman
2015-04-01 21:59 ` Russell King - ARM Linux [this message]
2015-04-02 7:17 ` Geert Uytterhoeven
2015-04-02 19:12 ` Lina Iyer
2015-04-02 21:12 ` Kevin Hilman
2015-04-02 21:53 ` Lina Iyer
2015-04-07 17:57 ` Kevin Hilman
2015-04-07 20:17 ` Andrew Morton
2015-04-07 22:41 ` Kevin Hilman
2015-04-07 22:53 ` Andrew Morton
2015-04-07 23:27 ` Kevin Hilman
2015-04-07 23:36 ` Andrew Morton
2015-04-08 0:15 ` Kevin Hilman
2015-04-01 19:27 ` Kevin Hilman
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