Hello, The following series aims to improve the tlb flush times when running nested Xen, and it's specially beneficial when running in shim mode.
See patch #2 for a comparison on the performance of the L0 assisted flush vs using x2APIC shorthand. Thanks, Roger. Roger Pau Monne (2): x86/hvm: improve performance of HVMOP_flush_tlbs x86/tlb: use Xen L0 assisted TLB flush when available xen/arch/x86/guest/xen/xen.c | 11 +++++++ xen/arch/x86/hvm/hvm.c | 55 ++++++++++++++++++++++----------- xen/arch/x86/smp.c | 6 ++++ xen/include/asm-x86/guest/xen.h | 7 +++++ 4 files changed, 61 insertions(+), 18 deletions(-) -- 2.24.1 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
