From: agraf@suse.de (Alexander Graf)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: Enable CONFIG_COMPAT also for 64k page size
Date: Sat, 06 Dec 2014 18:23:59 +0100 [thread overview]
Message-ID: <54833BAF.1030405@suse.de> (raw)
In-Reply-To: <20141204182049.GB7749@arm.com>
On 04.12.14 19:20, Will Deacon wrote:
> On Thu, Dec 04, 2014 at 03:46:33PM +0000, Alexander Graf wrote:
>> With binutils 2.25 the default alignment for 32bit arm sections changed to
>> have everything 64k aligned. Armv7 binaries built with this binutils version
>> run successfully on an arm64 system.
>>
>> Since effectively there is now the chance to run armv7 code on arm64 even
>> with 64k page size, it doesn't make sense to block people from enabling
>> CONFIG_COMPAT on those configurations.
>
> Is there a distro available that is built with a recent enough binutils for
> this? I'd really like to run our regression tests to check that page-size
> assumptions don't exist for things like shm.
So how much of a distro do you need? I could probably assemble a simple
very minimalistic rootfs with only bash if that helps.
Alex
next prev parent reply other threads:[~2014-12-06 17:23 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-04 15:46 [PATCH] arm64: Enable CONFIG_COMPAT also for 64k page size Alexander Graf
2014-12-04 18:18 ` Laura Abbott
2014-12-04 18:20 ` Will Deacon
2014-12-04 23:37 ` Alexander Graf
2014-12-08 13:47 ` Michael Matz
2014-12-06 17:23 ` Alexander Graf [this message]
2014-12-08 10:10 ` Will Deacon
2014-12-08 10:47 ` Alexander Graf
2015-03-11 11:24 ` Alexander Graf
2015-03-11 12:43 ` Andreas Schwab
2015-03-11 12:47 ` Arnd Bergmann
2015-03-11 13:08 ` Alexander Graf
2015-03-11 13:35 ` Andreas Schwab
2015-03-11 13:51 ` Arnd Bergmann
2015-03-11 13:57 ` Andreas Schwab
2015-03-11 15:44 ` Alexander Graf
2015-03-11 16:09 ` Andreas Schwab
2015-03-11 18:11 ` Alexander Graf
2015-03-12 9:07 ` [PATCH] arm64: fix implementation of mmap2 compat syscall Andreas Schwab
2015-03-16 14:16 ` [PATCH] arm64: Enable CONFIG_COMPAT also for 64k page size Christopher Covington
2015-03-16 14:19 ` Arnd Bergmann
2014-12-04 21:15 ` Olof Johansson
2014-12-04 23:41 ` Alexander Graf
2014-12-04 23:48 ` Olof Johansson
2014-12-05 10:39 ` Arnd Bergmann
2014-12-05 11:05 ` Catalin Marinas
2014-12-05 12:24 ` Arnd Bergmann
2014-12-05 12:31 ` Catalin Marinas
2015-02-18 13:40 ` Christopher Covington
2014-12-05 12:06 ` Alexander Graf
2014-12-05 11:14 ` Catalin Marinas
2014-12-05 11:35 ` Will Deacon
2015-03-13 4:44 ` Jon Masters
2014-12-05 16:35 ` Liviu Dudau
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