On 12/7/18 6:15 PM, David Woodhouse wrote:
>
> - load_TLS_descriptor(t, cpu, 0);
> - load_TLS_descriptor(t, cpu, 1);
> - load_TLS_descriptor(t, cpu, 2);
> + load_TLS_descriptor(t, cpu, 0, flush_gs);
> + load_TLS_descriptor(t, cpu, 1, flush_gs);
> + load_TLS_descriptor(t,
On Fri, Dec 7, 2018 at 3:15 PM David Woodhouse wrote:
>
> During a context switch, if clearing a descriptor which is currently
> referenced by the old process's user %gs, if Xen preempts the vCPU
> before %gs is set for the new process, a fault may occur.
>
> This fault actually seems to be
During a context switch, if clearing a descriptor which is currently
referenced by the old process's user %gs, if Xen preempts the vCPU
before %gs is set for the new process, a fault may occur.
This fault actually seems to be fairly harmless; xen_failsafe_callback
will just return to the
During a context switch, if clearing a descriptor which is currently
referenced by the old process's user %gs, if Xen preempts the vCPU
before %gs is set for the new process, a fault may occur.
This fault actually seems to be fairly harmless; xen_failsafe_callback
will just return to the
