At 15:29 -0500 on 16 Jan (1579188566), Jason Andryuk wrote: > This is the corresponding change to the shadow code as made by > bf08a8a08a2e "x86/HVM: use single (atomic) MOV for aligned emulated > writes" to the non-shadow HVM code. > > The bf08a8a08a2e commit message: > Using memcpy() may result in multiple individual byte accesses > (depending how memcpy() is implemented and how the resulting insns, > e.g. REP MOVSB, get carried out in hardware), which isn't what we > want/need for carrying out guest insns as correctly as possible. Fall > back to memcpy() only for accesses not 2, 4, or 8 bytes in size. > > Signed-off-by: Jason Andryuk <jandr...@gmail.com>
Acked-by: Tim Deegan <t...@xen.org> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
