[v8,0/3] x86/guest: use assisted TLB flush in guest mode

Message

Roger Pau Monné March 20, 2020, 6:42 p.m. UTC

Hello,

This is the remaining of the assisted TLB flush series. This last set of
patches enable the usage of the Xen assisted flush when running nested
on Xen.

Thanks, Roger.

Roger Pau Monne (3):
  x86/tlb: introduce a flush HVM ASIDs flag
  x86/tlb: allow disabling the TLB clock
  x86/tlb: use Xen L0 assisted TLB flush when available

 xen/arch/x86/flushtlb.c                | 25 +++++++++++++++++--------
 xen/arch/x86/guest/hypervisor.c        | 14 ++++++++++++++
 xen/arch/x86/guest/xen/xen.c           |  6 ++++++
 xen/arch/x86/mm/hap/hap.c              |  8 ++++----
 xen/arch/x86/mm/hap/nested_hap.c       |  2 +-
 xen/arch/x86/mm/p2m-pt.c               |  3 ++-
 xen/arch/x86/mm/paging.c               |  2 +-
 xen/arch/x86/mm/shadow/common.c        | 18 +++++++++---------
 xen/arch/x86/mm/shadow/hvm.c           |  2 +-
 xen/arch/x86/mm/shadow/multi.c         | 16 ++++++++--------
 xen/arch/x86/smp.c                     |  7 +++++++
 xen/include/asm-x86/flushtlb.h         | 23 ++++++++++++++++++++++-
 xen/include/asm-x86/guest/hypervisor.h | 17 +++++++++++++++++
 13 files changed, 109 insertions(+), 34 deletions(-)