The patch titled
KVM: mmu: honor global bit on huge pages
has been added to the -mm tree. Its filename is
kvm-mmu-mmu-honor-global-bit-on-huge-pages.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: KVM: mmu: honor global bit on huge pages
From: Avi Kivity <avi@xxxxxxxxxxxx>
The kvm mmu attempts to cache global translations, however it misses on
global huge page translation (which is what most global pages are).
By caching global huge page translations, boot time of fc5 i386 on i386
is reduced from ~35 seconds to ~24 seconds.
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/kvm/paging_tmpl.h | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/kvm/paging_tmpl.h~kvm-mmu-mmu-honor-global-bit-on-huge-pages drivers/kvm/paging_tmpl.h
--- a/drivers/kvm/paging_tmpl.h~kvm-mmu-mmu-honor-global-bit-on-huge-pages
+++ a/drivers/kvm/paging_tmpl.h
@@ -86,7 +86,7 @@ static void FNAME(set_pde)(struct kvm_vc
if (PTTYPE == 32 && is_cpuid_PSE36())
gaddr |= (guest_pde & PT32_DIR_PSE36_MASK) <<
(32 - PT32_DIR_PSE36_SHIFT);
- *shadow_pte = (guest_pde & PT_NON_PTE_COPY_MASK) |
+ *shadow_pte = (guest_pde & (PT_NON_PTE_COPY_MASK | PT_GLOBAL_MASK)) |
((guest_pde & PT_DIR_PAT_MASK) >>
(PT_DIR_PAT_SHIFT - PT_PAT_SHIFT));
set_pte_common(vcpu, shadow_pte, gaddr,
_
Patches currently in -mm which might be from avi@xxxxxxxxxxxx are
kvm-userspace-interface.patch
kvm-userspace-interface-make-enum-values-in-userspace-interface-explicit.patch
kvm-intel-virtual-mode-extensions-definitions.patch
kvm-kvm-data-structures.patch
kvm-random-accessors-and-constants.patch
kvm-virtualization-infrastructure.patch
kvm-virtualization-infrastructure-kvm-fix-guest-cr4-corruption.patch
kvm-virtualization-infrastructure-include-desch.patch
kvm-virtualization-infrastructure-fix-segment-state-changes-across-processor-mode-switches.patch
kvm-virtualization-infrastructure-fix-asm-constraints-for-segment-loads.patch
kvm-virtualization-infrastructure-fix-mmu-reset-locking-when-setting-cr0.patch
kvm-memory-slot-management.patch
kvm-memory-slot-management-zero-guest-memory-before-use.patch
kvm-vcpu-creation-and-maintenance.patch
kvm-vcpu-creation-and-maintenance-segment-access-cleanup.patch
kvm-workaround-cr0cd-cache-disable-bit-leak-from-guest-to.patch
kvm-vcpu-execution-loop.patch
kvm-define-exit-handlers.patch
kvm-define-exit-handlers-pass-fs-gs-segment-bases-to-x86-emulator.patch
kvm-less-common-exit-handlers.patch
kvm-less-common-exit-handlers-handle-rdmsrmsr_efer.patch
kvm-mmu.patch
kvm-mmu-mmu-honor-global-bit-on-huge-pages.patch
kvm-x86-emulator.patch
kvm-x86-emulator-x86-emulator-handle-smsw.patch
kvm-clarify-licensing.patch
kvm-x86-emulator-fix-emulator-mov-cr-decoding.patch
kvm-plumbing.patch
kvm-dynamically-determine-which-msrs-to-load-and-save.patch
kvm-fix-calculation-of-initial-value-of-rdx-register.patch
kvm-avoid-using-vmx-instruction-directly.patch
kvm-avoid-using-vmx-instruction-directly-fix-asm-constraints.patch
kvm-expose-interrupt-bitmap.patch
kvm-add-time-stamp-counter-msr-and-accessors.patch
kvm-expose-msrs-to-userspace.patch
kvm-expose-msrs-to-userspace-v2.patch
kvm-create-kvm-intelko-module.patch
kvm-make-dev-registration-happen-when-the-arch.patch
kvm-make-hardware-detection-an-arch-operation.patch
kvm-make-the-per-cpu-enable-disable-functions-arch.patch
kvm-make-the-hardware-setup-operations-non-percpu.patch
kvm-make-the-guest-debugger-an-arch-operation.patch
kvm-make-msr-accessors-arch-operations.patch
kvm-make-the-segment-accessors-arch-operations.patch
kvm-cache-guest-cr4-in-vcpu-structure.patch
kvm-cache-guest-cr0-in-vcpu-structure.patch
kvm-add-get_segment_base-arch-accessor.patch
kvm-add-idt-and-gdt-descriptor-accessors.patch
kvm-make-syncing-the-register-file-to-the-vcpu.patch
kvm-make-the-vcpu-execution-loop-an-arch-operation.patch
kvm-make-the-vcpu-execution-loop-an-arch-operation-build-fix.patch
kvm-move-the-vmx-exit-handlers-to-vmxc.patch
kvm-make-vcpu_setup-an-arch-operation.patch
kvm-make-__set_cr0-and-dependencies-arch-operations.patch
kvm-make-__set_cr4-an-arch-operation.patch
kvm-make-__set_efer-an-arch-operation.patch
kvm-make-__set_efer-an-arch-operation-build-fix.patch
kvm-make-set_cr3-and-tlb-flushing-arch-operations.patch
kvm-make-inject_page_fault-an-arch-operation.patch
kvm-make-inject_gp-an-arch-operation.patch
kvm-use-the-idt-and-gdt-accessors-in-realmode-emulation.patch
kvm-use-the-general-purpose-register-accessors-rather.patch
kvm-move-the-vmx-tsc-accessors-to-vmxc.patch
kvm-access-rflags-through-an-arch-operation.patch
kvm-move-the-vmx-segment-field-definitions-to-vmxc.patch
kvm-add-an-arch-accessor-for-cs-d-b-and-l-bits.patch
kvm-add-a-set_cr0_no_modeswitch-arch-accessor.patch
kvm-make-vcpu_load-and-vcpu_put-arch-operations.patch
kvm-make-vcpu-creation-and-destruction-arch-operations.patch
kvm-move-vmcs-static-variables-to-vmxc.patch
kvm-make-is_long_mode-an-arch-operation.patch
kvm-use-the-tlb-flush-arch-operation-instead-of-an.patch
kvm-remove-guest_cpl.patch
kvm-move-vmcs-accessors-to-vmxc.patch
kvm-move-vmx-helper-inlines-to-vmxc.patch
kvm-remove-vmx-includes-from-arch-independent-code.patch
kvm-amd-svm-add-architecture-definitions-for-amd-svm.patch
kvm-amd-svm-enhance-x86-emulator.patch
kvm-amd-svm-enhance-x86-emulator-fix-mov-to-from-control-register-emulation.patch
kvm-amd-svm-add-missing-tlb-flushes-to-the-guest-mmu.patch
kvm-amd-svm-add-data-structures.patch
kvm-amd-svm-implementation.patch
kvm-amd-svm-implementation-avoid-three-more-new-instructions.patch
kvm-amd-svm-implementation-more-i386-fixes.patch
kvm-amd-svm-implementation-printk-log-levels.patch
kvm-amd-svm-plumbing.patch
kvm-fix-null-and-c99-init-sparse-warnings.patch
kvm-load-i386-segment-bases.patch
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