Re: [PATCH v5] um: switch to regset API and depend on XSTATE

[SeongJae Park <sj@kernel.org>]

On Tue, 03 Dec 2024 07:01:09 SeongJae Park <sj@kernel.org> wrote:

> On Tue, 03 Dec 2024 09:40:34 +0100 Benjamin Berg <benjamin@sipsolutions.net> wrote:
> 
> > Hi,
> > 
> > that probably means the size detection for the FPU state (i.e.
> > PTRACE_GETREGSET for NT_X86_XSTATE is incorrect on a 32bit host in some
> > way.
> > 
> > Is there anything special about the qemu setup or it is just a default
> > qemu-x86?
> 
> I use default qemu-system-x86_64 on my system.
> 
>     $ qemu-system-x86_64 --version
>     QEMU emulator version 8.2.2 (qemu-8.2.2-1.1.hs+fb.el9)
>     Copyright (c) 2003-2023 Fabrice Bellard and the QEMU Project developers
> 
> I forgot saying it is not just x86 but x86_64, sorry.

Oh, and seems my qemu has some downstream changes.  I will try to reproduce the
issue with upstream versions and report the result again.


Thanks,
SJ

[...]