Re: [Xen-devel] [PATCH v3] xpti: fix bug in double fault handling

2018-04-23 Thread Andrew Cooper
On 23/04/18 14:59, Juergen Gross 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 exception, so repair this in order to allow > exception handling to work even after a double

Re: [Xen-devel] [PATCH v3] xpti: fix bug in double fault handling

2018-04-23 Thread Jan Beulich
>>> On 23.04.18 at 15:59, 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 exception, so repair this in order to allow > exception handling to work even

[Xen-devel] [PATCH v3] 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 exception, so repair this in order to allow exception handling to work even after a double fault. Signed-off-by: Juergen Gross