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Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directo
From: |
David Woodhouse |
Subject: |
Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory |
Date: |
Wed, 22 Nov 2023 23:03:13 +0000 |
User-agent: |
Evolution 3.44.4-0ubuntu2 |
On Wed, 2023-11-22 at 14:29 -0800, Stefano Stabellini wrote:
> On Wed, 22 Nov 2023, Paul Durrant wrote:
> > On 21/11/2023 22:10, Volodymyr Babchuk wrote:
> > > From: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
> > >
> > > Instead of forcing the owner to domid 0, use XS_PRESERVE_OWNER to
> > > inherit the owner of the directory.
> >
> > Ah... so that's why the previous patch is there.
> >
> > This is not the right way to fix it. The QEMU Xen support is *assuming* that
> > QEMU is either running in, or emulating, dom0. In the emulation case this is
> > probably fine, but the 'real Xen' case it should be using the correct domid
> > for node creation. I guess this could either be supplied on the command line
> > or discerned by reading the local domain 'domid' node.
>
> yes, it should be passed as command line option to QEMU
I'm not sure I like the idea of a command line option for something
which QEMU could discover for itself.
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- Re: [PATCH v2 2/6] xen: backends: touch some XenStore nodes only if device..., (continued)
Re: [PATCH v2 2/6] xen: backends: touch some XenStore nodes only if device..., Paul Durrant, 2023/11/22
[PATCH v2 5/6] xen_arm: Set mc->max_cpus to GUEST_MAX_VCPUS in xen_arm_init(), Volodymyr Babchuk, 2023/11/21
[PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory, Volodymyr Babchuk, 2023/11/21
- Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory, Paul Durrant, 2023/11/22
- Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory, Stefano Stabellini, 2023/11/22
- Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory,
David Woodhouse <=
- Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory, Stefano Stabellini, 2023/11/22
- Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory, David Woodhouse, 2023/11/22
- Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory, Stefano Stabellini, 2023/11/22
- Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory, Volodymyr Babchuk, 2023/11/22
- Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory, Volodymyr Babchuk, 2023/11/22
- Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory, Paul Durrant, 2023/11/23
- Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory, David Woodhouse, 2023/11/23
- Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory, Volodymyr Babchuk, 2023/11/23
- Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory, David Woodhouse, 2023/11/23
Re: [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory, Volodymyr Babchuk, 2023/11/23