I am probably missing something.
1. I compiled the kernel ( 4.7-rc1 from the git in the document).
2. built the cpio with buildroot with the build-root.config you sent me.
3. I compiled jailhouse on my ubuntu (64bit 14 LTS - which what I need ).
4. Then I "sudo make firmware_install"
5. insmod drivers/jailhouse.ko
6. Now according to non-root linux, I should :
sudo ./tools/jailhouse cell linux configs/linux-x86-demo.cell
queues/jailhouse/arch/x86_64/boot/bzImage -i x86/rootfs.cpio
I am getting :
Traceback (most recent call last):
File "./tools/jailhouse-cell-linux", line 280, in <module>
cell = JailhouseCell(config)
File "./tools/jailhouse-cell-linux", line 186, in __init__
raise e
IOError: [Errno 22] Invalid argument
The linux-x86-demo.cell is only cell I found ?
On Mon, Jun 27, 2016 at 8:43 PM, Jan Kiszka <[email protected]> wrote:
> On 2016-06-27 17:12, Raz wrote:
> >
> >
> > On Mon, Jun 27, 2016 at 4:43 PM, Jan Kiszka <[email protected]
> > <mailto:[email protected]>> wrote:
> >
> > On 2016-06-27 10:38, Raz wrote:
> > > Thanks Jan.
> > > You were right.
> > > As a user I have experience with RT-systems solution. So I am a bit
> > > puzzled because I would expect to see a cpu dropped from both the
> host
> > > and the guest.
> >
> > First of all, the QEMU setup is for testing purposes - do not confuse
> > with a real system (with potentially real RT requirements).
> >
> > Then, I do not yet understand which CPU should be dropped under with
> > conditions. Can you describe in more details what you mean?
> >
> > I thought the qemu guest would allocate a cpu for the host.
>
> What is the host here?
>
> If we remove QEMU from the picture, the host is controlled by Jailhouse.
> And Jailhouse decides about which physical CPU can be used by which of
> its guests (cells). When you create a cell, Jailhouse will deny the root
> cell to use any of the CPUs that are now assigned to the new cell - try
> onlining one of them again while the non-root exists.
>
> >
> >
> > > Also, How do we continue ? What do we need to make this boot an OS
> ?
> > >
> >
> > Which OS?
> >
> > I want to boot linux or linux. If you can provide me with guidance how
> > to boot a linux guest over some ramdisk
> > that will be nice. I understand that jailhouse is not ready, this is why
> > I want to contribute - if possible.
>
> Look at Documentation/non-root-linux.txt.
>
> I currently use an initramfs for testing purposes created via buildroot,
> .config attached. I also attached a reference config for the kernel.
>
> HTH,
> Jan
>
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