linux/arch/x86/kvm
Izik Eidus acb66dd051 KVM: MMU: dont hold pagecount reference for mapped sptes pages
When using mmu notifiers, we are allowed to remove the page count
reference tooken by get_user_pages to a specific page that is mapped
inside the shadow page tables.

This is needed so we can balance the pagecount against mapcount
checking.

(Right now kvm increase the pagecount and does not increase the
mapcount when mapping page into shadow page table entry,
so when comparing pagecount against mapcount, you have no
reliable result.)

Signed-off-by: Izik Eidus <ieidus@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2009-10-04 17:04:48 +02:00
..
emulate.c KVM: x86 emulator: Add adc and sbb missing decoder flags 2009-09-10 10:46:51 +03:00
i8254.c KVM: remove superfluous NULL pointer check in kvm_inject_pit_timer_irqs() 2009-09-10 08:33:19 +03:00
i8254.h KVM: PIT support for HPET legacy mode 2009-09-10 08:33:12 +03:00
i8259.c KVM: Replace pic_lock()/pic_unlock() with direct call to spinlock functions 2009-09-10 08:33:22 +03:00
irq.c KVM: Remove irq_pending bitmap 2009-06-10 11:48:57 +03:00
irq.h KVM: Call kvm_vcpu_kick() inside pic spinlock 2009-09-10 08:33:21 +03:00
Kconfig KVM: remove old KVMTRACE support code 2009-09-10 08:33:03 +03:00
kvm_cache_regs.h KVM: Cache pdptrs 2009-09-10 08:32:46 +03:00
kvm_timer.h KVM: Use pointer to vcpu instead of vcpu_id in timer code. 2009-09-10 08:32:52 +03:00
lapic.c KVM: fix LAPIC timer period overflow 2009-10-04 13:57:23 +02:00
lapic.h KVM: x2apic interface to lapic 2009-09-10 08:33:08 +03:00
Makefile KVM: Rename x86_emulate.c to emulate.c 2009-09-10 10:46:45 +03:00
mmu.c KVM: MMU: dont hold pagecount reference for mapped sptes pages 2009-10-04 17:04:48 +02:00
mmu.h KVM: MMU: add kvm_mmu_get_spte_hierarchy helper 2009-09-10 08:32:56 +03:00
mmutrace.h KVM: Trace shadow page lifecycle 2009-09-10 08:33:10 +03:00
paging_tmpl.h KVM: MMU: shadow support for 1gb pages 2009-09-10 08:33:19 +03:00
svm.c KVM: SVM: Handle tsc in svm_get_msr/svm_set_msr correctly 2009-10-04 13:57:23 +02:00
timer.c KVM: Drop useless atomic test from timer function 2009-09-10 08:32:57 +03:00
trace.h KVM: Add trace points in irqchip code 2009-09-10 08:33:11 +03:00
tss.h KVM: x86: hardware task switching support 2008-04-27 12:00:39 +03:00
vmx.c KVM: VMX: flush TLB with INVEPT on cpu migration 2009-10-04 13:57:24 +02:00
x86.c KVM: Prevent overflow in KVM_GET_SUPPORTED_CPUID 2009-10-04 17:04:16 +02:00
x86.h KVM: Add Directed EOI support to APIC emulation 2009-09-10 08:33:07 +03:00