Re: Linux xenfs vs privcmd

2025-10-18 Thread Jürgen Groß
On 08.10.25 16:41, Andrew Cooper wrote: On 08/10/2025 3:08 pm, Jürgen Groß wrote: On 08.10.25 15:33, Andrew Cooper wrote: Anyway - /dev/xen/privcmd (and /hypercall) shouldn't be tied to xenfs. They should be SIF_PRIVILEGED alone, should they not? I don't think they should be tied to SIF_PRIVI

Re: Linux xenfs vs privcmd

2025-10-18 Thread Jürgen Groß
On 08.10.25 15:33, Andrew Cooper wrote: Hello, I'm doing a deployment of Xen on a remote system provisioned with Ubuntu 24.04, and I've found what I'm pretty sure is a bug. In dom0, to start with: user@host:~$ ls -la /dev/xen/ total 0 drwxr-xr-x  2 root root 140 Oct  8 20:04 . drwxr-xr-x 1

Linux xenfs vs privcmd

2025-10-18 Thread Andrew Cooper
Hello, I'm doing a deployment of Xen on a remote system provisioned with Ubuntu 24.04, and I've found what I'm pretty sure is a bug. In dom0, to start with: user@host:~$ ls -la /dev/xen/ total 0 drwxr-xr-x  2 root root 140 Oct  8 20:04 . drwxr-xr-x 18 root root    4620 Oct  8 20:04 .. crw---

Re: Linux xenfs vs privcmd

2025-10-18 Thread Jan Beulich
On 08.10.2025 15:33, Andrew Cooper wrote: > Hello, > > I'm doing a deployment of Xen on a remote system provisioned with Ubuntu > 24.04, and I've found what I'm pretty sure is a bug. > > In dom0, to start with: > > user@host:~$ ls -la /dev/xen/ > total 0 > drwxr-xr-x  2 root root 140 Oct  8

Re: Linux xenfs vs privcmd

2025-10-08 Thread Andrew Cooper
On 08/10/2025 3:08 pm, Jürgen Groß wrote: > On 08.10.25 15:33, Andrew Cooper wrote: >> Anyway - /dev/xen/privcmd (and /hypercall) shouldn't be tied to xenfs. >> They should be SIF_PRIVILEGED alone, should they not? > > I don't think they should be tied to SIF_PRIVILEGED, as device model ops > are h

Re: Linux xenfs vs privcmd

2025-10-08 Thread Andrew Cooper
On 08/10/2025 2:54 pm, Jan Beulich wrote: > On 08.10.2025 15:33, Andrew Cooper wrote: >> Hello, >> >> I'm doing a deployment of Xen on a remote system provisioned with Ubuntu >> 24.04, and I've found what I'm pretty sure is a bug. >> >> In dom0, to start with: >> >> user@host:~$ ls -la /dev/xen/ >>