[PATCH 0/5] x86/pv: Minor perf improvements in segment handling

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

This is follow-on work from the fixes for Linux 5.9 with FSGSBASE.

Andrew Cooper (5):
  x86/asm: Rename FS/GS base helpers
  x86/asm: Split __wr{fs,gs}base() out of write_{fs,gs}_base()
  x86/pv: Optimise prefetching in svm_load_segs()
  x86/pv: Optimise to the segment context switching paths
  x86/pv: Simplify emulation for the 64bit base MSRs

 xen/arch/x86/domain.c             | 72 +++++++++++++++++++++++++++------------
 xen/arch/x86/hvm/svm/svm.c        | 43 +++++++++++------------
 xen/arch/x86/hvm/vmx/vmx.c        |  8 ++---
 xen/arch/x86/pv/domain.c          |  2 +-
 xen/arch/x86/pv/emul-priv-op.c    | 42 ++++++++++++-----------
 xen/arch/x86/x86_64/mm.c          |  8 ++---
 xen/arch/x86/x86_64/traps.c       |  6 ++--
 xen/include/asm-x86/hvm/svm/svm.h |  5 +--
 xen/include/asm-x86/msr.h         | 42 ++++++++++++++---------
 9 files changed, 135 insertions(+), 93 deletions(-)

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2.11.0