Re: [Xen-devel] [PATCH-for-4.11] xpti: fix bug in double fault handling

2018-04-23 Thread Jan Beulich
>>> On 23.04.18 at 14:22, wrote: > On 23/04/18 14:11, Jan Beulich wrote: > On 23.04.18 at 13:37, wrote: >>> --- a/tools/firmware/xen-dir/shim.config >>> +++ b/tools/firmware/xen-dir/shim.config >>> @@ -1,6 +1,6 @@ >>> # >>> # Automatically generated file;

Re: [Xen-devel] [PATCH-for-4.11] xpti: fix bug in double fault handling

2018-04-23 Thread Juergen Gross
On 23/04/18 14:11, Jan Beulich wrote: On 23.04.18 at 13:37, wrote: >> When entering the hypervisor via the double fault handler resetting >> xen_cr3 was missing. This led to switching to pv_cr3 when returning >> from the next following interrupt, e.g. after re-enabling

[Xen-devel] [PATCH-for-4.11] xpti: fix bug in double fault handling

2018-04-23 Thread Juergen Gross
When entering the hypervisor via the double fault handler resetting xen_cr3 was missing. This led to switching to pv_cr3 when returning from the next following interrupt, e.g. after re-enabling interrupts in machine_restart(). Signed-off-by: Juergen Gross ---