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Re: [Qemu-devel] linux-user: enabling binfmt P flag
From: |
Riku Voipio |
Subject: |
Re: [Qemu-devel] linux-user: enabling binfmt P flag |
Date: |
Mon, 25 Aug 2014 17:49:17 +0300 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Mon, Aug 25, 2014 at 04:30:40PM +0200, Joakim Tjernlund wrote:
> Riku Voipio <address@hidden> wrote on 2014/08/25 15:55:55:
> >
> > Hi,
> >
> > On Mon, Aug 25, 2014 at 03:39:19PM +0200, Joakim Tjernlund wrote:
> > > Then consider when you run a LXC without P flag.
> >
> > Please remember that your usecase of running Qemu in LXC is a new
> feature,
> > never before supported. Adding new features is always nice. However, it
> must
> > not happen with expense of regressing already working features
> > (traditional chroot).
> OK, but traditional chroot is unaffected with my patch. Only binfmt
> users which uses the binfmt flag O will have to change to PO. How
> many is that?
Traditional chroot is with binfmt_misc. Debian and ubuntu packages of
Qemu enable OC flags, so at least all debian/ubuntu users who use qemu
linux-user in chroots are affected.
Using OC seems quite typical:
http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/app-emulation/qemu/files/qemu-binfmt.initd-r1?view=markup
http://rwmj.wordpress.com/2013/12/22/how-to-run-aarch64-binaries-on-an-x86-64-host-using-qemu-userspace-emulation/#content
Others, like Suse, scratchbox use the P flag and wrapper binary.
- [Qemu-devel] linux-user: enabling binfmt P flag, Riku Voipio, 2014/08/25
- Re: [Qemu-devel] linux-user: enabling binfmt P flag, Alexander Graf, 2014/08/25
- Re: [Qemu-devel] linux-user: enabling binfmt P flag, Joakim Tjernlund, 2014/08/25
- Re: [Qemu-devel] linux-user: enabling binfmt P flag, Riku Voipio, 2014/08/25
- Re: [Qemu-devel] linux-user: enabling binfmt P flag, Joakim Tjernlund, 2014/08/25
- Re: [Qemu-devel] linux-user: enabling binfmt P flag, Riku Voipio, 2014/08/25
- Re: [Qemu-devel] linux-user: enabling binfmt P flag, Joakim Tjernlund, 2014/08/25
- Re: [Qemu-devel] linux-user: enabling binfmt P flag,
Riku Voipio <=
- Re: [Qemu-devel] linux-user: enabling binfmt P flag, Joakim Tjernlund, 2014/08/25
- Message not available
- Re: [Qemu-devel] linux-user: enabling binfmt P flag, Joakim Tjernlund, 2014/08/28
Re: [Qemu-devel] linux-user: enabling binfmt P flag, Peter Maydell, 2014/08/29