On 02/01/2018 07:40 AM, Juergen Gross wrote: > When running as Xen pv guest %gs is initialized some time after > C code is started. Depending on stack protector usage this might be > too late, resulting in page faults. > > So setup %gs and MSR_GS_BASE in assembly code already. > > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Juergen Gross <jgross@xxxxxxxx> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>