[Xen-devel] [PATCH v2] x86emul: support LAR/LSL/VERR/VERW

2016-12-13 Thread Jan Beulich
This involves protmode_load_seg() accepting x86_seg_none as input, with the meaning to - suppress any exceptions other than #PF, - not commit any state. Signed-off-by: Jan Beulich --- v2: Extend commit message and add a respective code comment. Add ASSERT()s to ensure/document that only #PF c

[Xen-devel] [PATCH v2] x86emul: support LAR/LSL/VERR/VERW

2016-12-12 Thread Jan Beulich
This involves protmode_load_seg() accepting x86_seg_none as input, with the meaning to - suppress any exceptions other than #PF, - not commit any state. Signed-off-by: Jan Beulich --- v2: Extend commit message and add a respective code comment. Add ASSERT()s to ensure/document that only #PF c