> From: Andrew Cooper [mailto:andrew.coop...@citrix.com] > Sent: Monday, October 15, 2018 6:36 PM > > Reusing debugreg[5] for the PV emulated IO breakpoint information is > confusing > to read. Instead, introduce a dr7_emul field in pv_vcpu for the pupose. > > With the PV emulation out of the way, debugreg[4,5] are entirely unused > and > don't need to be stored. > > Rename debugreg[0..3] to dr[0..3] to reduce code volume, but keep them > as an > array because their behaviour is identical and this helps simplfy some of > the > PV handling. Introduce dr6 and dr7 fields to replace debugreg[6,7] which > removes the storage for debugreg[4,5]. > > In arch_get_info_guest(), handle the merging of emulated dr7 state > alongside > all other dr handling, rather than much later. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
Reviewed-by: Kevin Tian <kevin.t...@intel.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
