linux-kernel - Re: [PATCH] mm/migrate: Mark unmap_and_move() "noinline" to avoid ICE in gcc 4.7.3

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Message-ID: <7hpp7fo92b.fsf@deeprootsystems.com>
Date:	Tue, 07 Apr 2015 15:41:32 -0700
From:	Kevin Hilman <khilman@...nel.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Marc Zyngier <marc.zyngier@....com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	Will Deacon <Will.Deacon@....com>,
	Simon Horman <horms@...ge.net.au>,
	Tyler Baker <tyler.baker@...aro.org>,
	Nishanth Menon <nm@...com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	"linux-sh\@vger.kernel.org" <linux-sh@...r.kernel.org>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Magnus Damm <magnus.damm@...il.com>,
	"grygorii.strashko\@linaro.org" <grygorii.strashko@...aro.org>,
	"linux-omap\@vger.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-arm-kernel\@lists.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	"linux-mm\@kvack.org" <linux-mm@...ck.org>
Subject: Re: [PATCH] mm/migrate: Mark unmap_and_move() "noinline" to avoid ICE in gcc 4.7.3

Andrew Morton <akpm@...ux-foundation.org> writes:

> On Tue, 7 Apr 2015 10:57:52 -0700 Kevin Hilman <khilman@...nel.org> wrote:
>
>> > The diff below[2] on top of yours compiles fine here and at least covers
>> > the compilers I *know* to trigger the ICE.
>> 
>> I see my fix in your mmots since last Thurs (4/2), but it's not in
>> mmotm (last updated today) so today's linux-next still has the ICE for
>> anything other than gcc-4.7.3.   Just checking to see when you plan to
>> update mmotm.
>
> It should all be there today?

Nope.  

In mmotm, only the original patch plus your first fix is there:

$ curl -sO http://www.ozlabs.org/~akpm/mmotm/broken-out.tar.gz
$ tar -tavf broken-out.tar.gz |grep gcc-473
-rw-r----- akpm/eng       1838 2015-04-01 14:41 broken-out/mm-migrate-mark-unmap_and_move-noinline-to-avoid-ice-in-gcc-473.patch
-rw-r----- akpm/eng       1309 2015-04-01 14:41 broken-out/mm-migrate-mark-unmap_and_move-noinline-to-avoid-ice-in-gcc-473-fix.patch

but in mmots, the additional ptch from me, plus another comment fixup
from you are also there:

$ curl -sO http://www.ozlabs.org/~akpm/mmots/broken-out.tar.gz
$ tar -tavf broken-out.tar.gz |grep gcc-473
-rw-r----- akpm/eng       1882 2015-04-06 16:24 broken-out/mm-migrate-mark-unmap_and_move-noinline-to-avoid-ice-in-gcc-473.patch
-rw-r----- akpm/eng       1271 2015-04-06 16:24 broken-out/mm-migrate-mark-unmap_and_move-noinline-to-avoid-ice-in-gcc-473-fix.patch
-rw-r----- akpm/eng       1382 2015-04-06 16:24 broken-out/mm-migrate-mark-unmap_and_move-noinline-to-avoid-ice-in-gcc-473-fix-fix.patch
-rw-r----- akpm/eng        968 2015-04-06 16:24 broken-out/mm-migrate-mark-unmap_and_move-noinline-to-avoid-ice-in-gcc-473-fix-fix-fix.patch


Kevin
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