On Thu, Nov 21, 2019 at 10:15:50PM +0000, Andrew Cooper wrote: > The VT-x task switch handler adds inst_len to rip before calling > hvm_task_switch(). This causes early faults to be delivered to the guest with
By early faults you mean faults injected by hvm_task_switch itself for example? > trap semantics, and break restartibility. > > Instead, pass the instruction length into hvm_task_switch() and write it into > the outgoing tss only, leaving rip in its original location. > > For now, pass 0 on the SVM side. This highlights a separate preexisting bug > which will be addressed in the following patch. > > While adjusting call sites, drop the unnecessary uint16_t cast. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com> Code LGTM: Reviewed-by: Roger Pau Monné <roger....@citrix.com> Thanks, Roger. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
