My initial attempt at caching gva->gpa->hva translations. Pretty straight forward with details in the individual patches. I haven't yet looked into if there are other possibilities to speed things up, just thought of sending these out since the numbers are better 567 cycles/emulated jump instruction 718 cycles/emulated move instruction 730 cycles/emulated arithmetic instruction 946 cycles/emulated memory load instruction 956 cycles/emulated memory store instruction 921 cycles/emulated memory RMW instruction Old realmode.flat numbers from init ctxt changes - https://lkml.org/lkml/2014/4/16/848 639 cycles/emulated jump instruction (4.3%) 776 cycles/emulated move instruction (7.5%) 791 cycles/emulated arithmetic instruction (11%) 943 cycles/emulated memory load instruction (5.2%) 948 cycles/emulated memory store instruction (7.6%) 929 cycles/emulated memory RMW instruction (9.0%) Bandan Das (3): KVM: x86: pass ctxt to fetch helper function KVM: x86: use memory_prepare in fetch helper function KVM: x86: cache userspace address for faster fetches arch/x86/include/asm/kvm_emulate.h | 7 +++++- arch/x86/kvm/x86.c | 46 ++++++++++++++++++++++++++++---------- 2 files changed, 40 insertions(+), 13 deletions(-) -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
