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Re: [Qemu-devel] [PULL 00/24] Linux-user updates
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PULL 00/24] Linux-user updates |
Date: |
Mon, 18 Aug 2014 13:45:49 +0100 |
On 18 August 2014 13:38, Joakim Tjernlund <address@hidden> wrote:
> Peter Maydell <address@hidden> wrote on 2014/08/18 12:58:48:
>> Well, binfmt-misc works fine for me as it is and presumably
>> for most people or we'd have had more complaints. So
>> breaking all those existing working setups is really something
>> we should avoid as much as possible.
>
> How do you use it? With LXC booting a VM with traditional init?
No. Just a straightforward chroot environment with a
statically linked qemu in it, and a binfmt_misc config like:
e104462:trusty:qemu$ cat /proc/sys/fs/binfmt_misc/qemu-arm
enabled
interpreter /usr/bin/qemu-arm-static
flags: OC
offset 0
magic 7f454c4601010100000000000000000002002800
mask ffffffffffffff00fffffffffffffffffeffffff
This works fine for the things I try to run in the chroot
(mostly test programs, also bash and basic command
line utilities).
> There are complaints which dists had to solve because QEMU didn't. Usually
> this is a separate static QEMU package/hack with a binfmt wrapper.
> Gentoo used to have one but this got removed.
I'm sure there are cases which don't work; but we should try
to find a way which allows us to make those work (with a
recommended change to binfmt misc registration) which
doesn't break the old configs in the process.
thanks
-- PMM
- [Qemu-devel] [PULL 01/24] linux-user: /proc/self/maps content, (continued)
- [Qemu-devel] [PULL 01/24] linux-user: /proc/self/maps content, riku . voipio, 2014/08/15
- [Qemu-devel] [PULL 22/24] linux-user: Support target-to-host translation of mlockall argument, riku . voipio, 2014/08/15
- [Qemu-devel] [PULL 19/24] linux-user: Move get_ppc64_abi, riku . voipio, 2014/08/15
- [Qemu-devel] [PULL 20/24] linux-user: Minimum Sig Handler Stack Size for PPC64 ELF V2, riku . voipio, 2014/08/15
- [Qemu-devel] [PULL 21/24] linux-user: clock_nanosleep errno Handling on PPC, riku . voipio, 2014/08/15
- Re: [Qemu-devel] [PULL 00/24] Linux-user updates, Peter Maydell, 2014/08/15
- Re: [Qemu-devel] [PULL 00/24] Linux-user updates, Riku Voipio, 2014/08/18
- Re: [Qemu-devel] [PULL 00/24] Linux-user updates, Joakim Tjernlund, 2014/08/18
- Re: [Qemu-devel] [PULL 00/24] Linux-user updates, Peter Maydell, 2014/08/18
- Re: [Qemu-devel] [PULL 00/24] Linux-user updates, Joakim Tjernlund, 2014/08/18
- Re: [Qemu-devel] [PULL 00/24] Linux-user updates,
Peter Maydell <=
- Re: [Qemu-devel] [PULL 00/24] Linux-user updates, Joakim Tjernlund, 2014/08/18
- Re: [Qemu-devel] [PULL 00/24] Linux-user updates, Peter Maydell, 2014/08/18
- Re: [Qemu-devel] [PULL 00/24] Linux-user updates, Joakim Tjernlund, 2014/08/18
- Re: [Qemu-devel] [PULL 00/24] Linux-user updates, Riku Voipio, 2014/08/18
- Re: [Qemu-devel] [PULL 00/24] Linux-user updates, Joakim Tjernlund, 2014/08/18
- Re: [Qemu-devel] [PULL 00/24] Linux-user updates, Laurent Vivier, 2014/08/18