On 06/11/15 16:05, Roger Pau Monne wrote: > The HVM related code (SVM, VMX) generally assumed that a local apic is > always present. With the introduction of a HVM mode were the local apic can > be removed, some of this broken code paths arised. > > The SVM exit/resume paths unconditionally checked the state of the lapic, > which is wrong if it's been disabled by hardware, fix this by adding the > necessary checks. On the VMX side, make sure we don't add mappings for a > local apic if it's disabled. > > In the generic vlapic code, add checks to prevent setting the TSC deadline > timer if the lapic is disabled, and also prevent trying to inject interrupts > from the PIC is the lapic is also disabled. > > Signed-off-by: Roger Pau Monné <roger....@citrix.com> > Reviewed-by: Boris Ostrovsky <boris.ostrov...@oracle.com> > Cc: Boris Ostrovsky <boris.ostrov...@oracle.com> > Cc: Suravee Suthikulpanit <suravee.suthikulpa...@amd.com> > Cc: Aravind Gopalakrishnan <aravind.gopalakrish...@amd.com> > Cc: Jan Beulich <jbeul...@suse.com> > Cc: Andrew Cooper <andrew.coop...@citrix.com> > Cc: Jun Nakajima <jun.nakaj...@intel.com> > Cc: Eddie Dong <eddie.d...@intel.com> > Cc: Kevin Tian <kevin.t...@intel.com>
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
