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xen-devel
RE: [Xen-devel] Re: Reproducable data corruption on xen-unstable
> A few minutes ago, I wrote:
> > So, it looks like we are looking for a code path in which
> TS doesn't end
> > up set after a task switch.
>
> Aha! Shouldn't the stts macro in xeno-linux be calling
> __HYPERVISOR_fpu_taskswitch instead of trying to write to CR0 itself?
> Writing to CR0 directly is impossible in ring 1, isn't it?
Please can you try the unstable tree: it has an extended instruction
emulator that was introduced to avoid some the code edits that some
people on the linux-kernel list were complaining about.
Ian
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