This series adds new IOCTL which make it possible to tune PTE_PREFETCH_NUM value on per-VM basis. v2: - added ioctl (previously was sysfs param) [David] - preallocate prefetch buffers [David] - converted arch/x86/kvm/mmu/paging_tmpl.h [David] Sergey Senozhatsky (3): KVM: x86: introduce kvm_mmu_pte_prefetch structure KVM: x86: use mmu_pte_prefetch for guest_walker KVM: x86: add KVM_SET_MMU_PREFETCH ioctl Documentation/virt/kvm/api.rst | 21 ++++++++++++ arch/x86/include/asm/kvm_host.h | 12 +++++++ arch/x86/kvm/mmu.h | 4 +++ arch/x86/kvm/mmu/mmu.c | 57 ++++++++++++++++++++++++++++++--- arch/x86/kvm/mmu/paging_tmpl.h | 39 +++++++++++++++------- arch/x86/kvm/x86.c | 38 +++++++++++++++++++++- include/uapi/linux/kvm.h | 4 +++ 7 files changed, 158 insertions(+), 17 deletions(-) -- 2.33.0.1079.g6e70778dc9-goog
