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6e2ca7d180
linux/arch/x86/kvm
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Takuya Yoshikawa 6e2ca7d180 KVM: MMU: Optimize guest page table walk 
This patch optimizes the guest page table walk by using get_user()
instead of copy_from_user().

With this patch applied, paging64_walk_addr_generic() has become
about 0.5us to 1.0us faster on my Phenom II machine with NPT on.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22 08:39:38 -04:00
..
emulate.c KVM: x86 emulator: Use opcode::execute for 0F 01 opcode 2011-05-22 08:39:35 -04:00
i8254.c KVM: fix typo in copyright notice 2010-10-24 10:53:14 +02:00
i8254.h KVM: remove useless function declaration kvm_inject_pit_timer_irqs() 2011-05-11 07:57:09 -04:00
i8259.c KVM: remove isr_ack logic from PIC 2011-03-17 13:08:30 -03:00
irq.c KVM: fix typo in copyright notice 2010-10-24 10:53:14 +02:00
irq.h KVM: remove useless function declarations from file arch/x86/kvm/irq.h 2011-05-11 07:57:09 -04:00
Kconfig KVM: Halt vcpu if page it tries to access is swapped out 2011-01-12 11:21:39 +02:00
kvm_cache_regs.h KVM: Fetch guest cr3 from hardware on demand 2011-01-12 11:31:16 +02:00
kvm_timer.h KVM: arch/x86/kvm/kvm_timer.h checkpatch cleanup 2010-05-17 12:14:42 +03:00
lapic.c KVM: x86: Remove useless regs_page pointer from kvm_lapic 2011-03-17 13:08:33 -03:00
lapic.h KVM: x86: Remove useless regs_page pointer from kvm_lapic 2011-03-17 13:08:33 -03:00
Makefile KVM: x86: Makefile clean up 2011-01-12 11:29:08 +02:00
mmu_audit.c KVM: MMU: audit: allow audit more guests at the same time 2011-01-12 11:31:17 +02:00
mmu.c KVM: MMU: remove mmu_seq verification on pte update path 2011-05-11 07:57:03 -04:00
mmu.h KVM: MMU: Don't track nested fault info in error-code 2010-10-24 10:52:55 +02:00
mmutrace.h KVM: MMU: support disable/enable mmu audit dynamicly 2010-10-24 10:51:56 +02:00
paging_tmpl.h KVM: MMU: Optimize guest page table walk 2011-05-22 08:39:38 -04:00
svm.c KVM: SVM: Get rid of x86_intercept_map::valid 2011-05-22 08:39:37 -04:00
timer.c x86: Fix common misspellings 2011-03-18 10:39:30 +01:00
trace.h tracing: Fix event alignment: kvm:kvm_hv_hypercall 2011-03-10 10:34:24 -05:00
tss.h KVM: x86: hardware task switching support 2008-04-27 12:00:39 +03:00
vmx.c KVM: fix push of wrong eip when doing softint 2011-05-11 07:57:09 -04:00
x86.c KVM: x86 emulator: drop x86_emulate_ctxt::vcpu 2011-05-22 08:39:24 -04:00
x86.h KVM: fix push of wrong eip when doing softint 2011-05-11 07:57:09 -04:00