[PATCH 3.13.y-ckt 50/60] x86/xen: Probe target addresses in set_aliased_prot() before the hypercall

2015-09-01 Thread Kamal Mostafa
3.13.11-ckt26 -stable review patch. If anyone has any objections, please let me know. -- From: Andy Lutomirski commit aa1acff356bbedfd03b544051f5b371746735d89 upstream. The update_va_mapping hypercall can fail if the VA isn't present in the guest's page tables. Under

[PATCH 3.13.y-ckt 50/60] x86/xen: Probe target addresses in set_aliased_prot() before the hypercall

2015-09-01 Thread Kamal Mostafa
3.13.11-ckt26 -stable review patch. If anyone has any objections, please let me know. -- From: Andy Lutomirski commit aa1acff356bbedfd03b544051f5b371746735d89 upstream. The update_va_mapping hypercall can fail if the VA isn't present in the guest's page