On 22.11.2019 13:37, Roger Pau Monné wrote: > 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 >> 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>
Acked-by: Jan Beulich <jbeul...@suse.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
