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5d21881432
linux/arch/x86/kvm
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Marcelo Tosatti 5d21881432 KVM: MMU: make kvm_mmu_available_pages robust against n_used_mmu_pages > n_max_mmu_pages 
As noticed by Ulrich Obergfell <uobergfe@redhat.com>, the mmu
counters are for beancounting purposes only - so n_used_mmu_pages and
n_max_mmu_pages could be relaxed (example: before f0f5933a16),
resulting in n_used_mmu_pages > n_max_mmu_pages.

Make code robust against n_used_mmu_pages > n_max_mmu_pages.

Reviewed-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
2013-03-13 11:46:09 +02:00
..
cpuid.c KVM: x86: Make register state after reset conform to specification 2012-12-05 18:00:07 +02:00
cpuid.h Merge tag 'kvm-3.8-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm 2012-12-13 15:31:08 -08:00
emulate.c x86 emulator: fix parity calculation for AAD instruction 2013-02-13 18:01:00 +02:00
i8254.c kvm: fix i8254 counter 0 wraparound 2012-12-18 11:12:38 +02:00
i8254.h KVM: fold kvm_pit_timer into kvm_kpit_state 2012-08-01 00:21:07 -03:00
i8259.c KVM: inject ExtINT interrupt before APIC interrupts 2012-12-13 23:05:21 -02:00
irq.c x86, apicv: add virtual interrupt delivery support 2013-01-29 10:48:19 +02:00
irq.h KVM: switch to symbolic name for irq_states size 2012-07-20 16:12:16 -03:00
Kconfig KVM: Depend on HIGH_RES_TIMERS 2012-09-10 11:10:03 +03:00
kvm_cache_regs.h KVM: MMU: Do not unconditionally read PDPTE from guest memory 2011-09-25 19:18:01 +03:00
lapic.c x86, apicv: add virtual interrupt delivery support 2013-01-29 10:48:19 +02:00
lapic.h x86, apicv: add virtual interrupt delivery support 2013-01-29 10:48:19 +02:00
Makefile KVM: Remove internal timer abstraction 2012-08-01 00:21:06 -03:00
mmu_audit.c KVM: do not release the error pfn 2012-08-06 16:04:57 +03:00
mmu.c KVM: MMU: Introduce a helper function for FIFO zapping 2013-03-07 17:26:27 -03:00
mmu.h KVM: MMU: make kvm_mmu_available_pages robust against n_used_mmu_pages > n_max_mmu_pages 2013-03-13 11:46:09 +02:00
mmutrace.h KVM: mmu: remove unused trace event 2013-01-07 19:54:50 -02:00
paging_tmpl.h KVM: MMU: remove pt_access in mmu_set_spte 2013-02-06 22:42:08 -02:00
pmu.c Merge branch 'queue' into next 2012-07-26 11:54:21 +03:00
svm.c KVM: x86: Drop unused return code from VCPU reset callback 2013-03-12 13:25:56 +02:00
trace.h KVM: x86: require matched TSC offsets for master clock 2012-11-27 23:29:15 -02:00
tss.h KVM: x86: hardware task switching support 2008-04-27 12:00:39 +03:00
vmx.c KVM: x86: Drop unused return code from VCPU reset callback 2013-03-12 13:25:56 +02:00
x86.c KVM: x86: Drop unused return code from VCPU reset callback 2013-03-12 13:25:56 +02:00
x86.h KVM: x86: Add code to track call origin for msr assignment 2012-11-30 18:26:12 -02:00