From: Benjamin Berg
It was reported that qemu may not enable the XSTATE CPU extension, which
is a requirement after commit 3f17fed21491 ("um: switch to regset API
and depend on XSTATE"). Add a fallback to use FXSAVE (FP registers on
x86_64 and XFP on i386) which is just a shorter version of the s
On Tue, 03 Dec 2024 18:07:36 +0100 Benjamin Berg
wrote:
> On Tue, 2024-12-03 at 07:56 -0800, SeongJae Park wrote:
> > On Tue, 03 Dec 2024 07:01:09 SeongJae Park wrote:
> >
> > > On Tue, 03 Dec 2024 09:40:34 +0100 Benjamin Berg
> > > wrote:
> > >
> > > > Hi,
> > > >
> > > > that probably mea
On Tue, 2024-12-03 at 07:56 -0800, SeongJae Park wrote:
> On Tue, 03 Dec 2024 07:01:09 SeongJae Park wrote:
>
> > On Tue, 03 Dec 2024 09:40:34 +0100 Benjamin Berg
> > wrote:
> >
> > > Hi,
> > >
> > > that probably means the size detection for the FPU state (i.e.
> > > PTRACE_GETREGSET for NT_X
On Tue, 03 Dec 2024 07:01:09 SeongJae Park wrote:
> On Tue, 03 Dec 2024 09:40:34 +0100 Benjamin Berg
> 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
On Tue, 03 Dec 2024 09:40:34 +0100 Benjamin Berg
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-x8
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?
Benjamin
On Mon, 2024-12-02 at 23:02 -0800, SeongJae Park wrote:
> Hel