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Re: [Qemu-devel] linux-user: enabling binfmt P flag
From: |
Joakim Tjernlund |
Subject: |
Re: [Qemu-devel] linux-user: enabling binfmt P flag |
Date: |
Thu, 28 Aug 2014 18:06:15 +0200 |
Any resolution for how to handle P flag yet?
Jocke
Joakim Tjernlund/Transmode wrote on 2014/08/25 17:02:42:
>
> Riku Voipio <address@hidden> wrote on 2014/08/25 16:49:17:
> >
> > 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
>
> Sorry, I figured you meant plain chroot
>
> > 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.
> Yes, but I meant those not using the dist. default as dists will update
> their binfmt scripts when upgrading QEMU.
>
> Basically this will only be a potential problem for DIYs QEMU users.
>
> Jocke
- Re: [Qemu-devel] linux-user: enabling binfmt P flag, (continued)
- 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, 2014/08/25
- 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 <=
Re: [Qemu-devel] linux-user: enabling binfmt P flag, Peter Maydell, 2014/08/29