From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: Run armv7 32 bit userspace on aarch64
Date: Thu, 8 Oct 2015 12:12:48 +0100 [thread overview]
Message-ID: <20151008111248.GE16807@arm.com> (raw)
In-Reply-To: <5615A0E1.1050402@linaro.org>
On Wed, Oct 07, 2015 at 03:46:57PM -0700, Shi, Yang wrote:
> I'm trying to run armv7 little endian userspace on qemu aarch64 with 4.1.x
> kernel. I was told by someone such usecase is valid and I have CONFIG_COMPAT
> enabled in my kernel.
>
> But, I ran into the below error. It looks the userspace application is
> trying to write a readonly page. I got the similar failure on arm vfp with
> Linaro images (4.1 kernel) too.
>
> Did anyone have tried it recently?
-rc4 seems to be working fine with Debian Jessie armhf on my Juno boards.
Do you have a good way of reproducing this with a mainline kernel?
Will
next prev parent reply other threads:[~2015-10-08 11:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-07 22:46 Run armv7 32 bit userspace on aarch64 Shi, Yang
2015-10-08 11:12 ` Will Deacon [this message]
2015-10-09 22:32 ` Shi, Yang
2015-10-10 0:28 ` Shi, Yang
2015-10-10 21:25 ` Arnd Bergmann
2015-10-12 17:26 ` Shi, Yang
2015-10-12 17:38 ` Shi, Yang
2015-10-12 17:50 ` Will Deacon
2015-10-12 18:41 ` Shi, Yang
2015-10-13 14:18 ` Will Deacon
2015-10-13 16:45 ` Shi, Yang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20151008111248.GE16807@arm.com \
--to=will.deacon@arm.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).