linux/arch/x86/kvm
Xiao Guangrong 198c74f43f KVM: MMU: flush tlb out of mmu lock when write-protect the sptes
Now we can flush all the TLBs out of the mmu lock without TLB corruption when
write-proect the sptes, it is because:
- we have marked large sptes readonly instead of dropping them that means we
  just change the spte from writable to readonly so that we only need to care
  the case of changing spte from present to present (changing the spte from
  present to nonpresent will flush all the TLBs immediately), in other words,
  the only case we need to care is mmu_spte_update()

- in mmu_spte_update(), we haved checked
  SPTE_HOST_WRITEABLE | PTE_MMU_WRITEABLE instead of PT_WRITABLE_MASK, that
  means it does not depend on PT_WRITABLE_MASK anymore

Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2014-04-23 17:49:52 -03:00
..
cpuid.c KVM: expose SMAP feature to guest 2014-04-14 17:50:37 -03:00
cpuid.h KVM: Add SMAP support when setting CR4 2014-04-14 17:50:34 -03:00
emulate.c KVM: x86: IN instruction emulation should ignore REP-prefix 2014-04-23 17:46:59 -03:00
i8254.c KVM: x86: limit PIT timer frequency 2014-01-15 12:43:54 +01:00
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 KVM: nVMX: Ack and write vector info to intr_info if L1 asks us to 2014-04-22 18:41:33 -03:00
irq.h KVM: switch to symbolic name for irq_states size 2012-07-20 16:12:16 -03:00
Kconfig kvm: make KVM_MMU_AUDIT help text more readable 2014-01-20 12:59:26 +01:00
kvm_cache_regs.h KVM: MMU: Do not unconditionally read PDPTE from guest memory 2011-09-25 19:18:01 +03:00
lapic.c First round of KVM updates for 3.14; PPC parts will come next week. 2014-01-22 21:40:43 -08:00
lapic.h KVM: x86: Validate guest writes to MSR_IA32_APICBASE 2014-01-27 14:39:44 +01:00
Makefile kvm: Add VFIO device 2013-10-30 19:02:03 +01:00
mmu_audit.c kvm: mmu: delay mmu audit activation 2013-11-20 11:12:56 +02:00
mmu.c KVM: MMU: flush tlb out of mmu lock when write-protect the sptes 2014-04-23 17:49:52 -03:00
mmu.h KVM: MMU: flush tlb out of mmu lock when write-protect the sptes 2014-04-23 17:49:52 -03:00
mmutrace.h KVM: MMU: add tracepoint for check_mmio_spte 2013-06-27 14:20:37 +03:00
paging_tmpl.h Revert "KVM: Simplify kvm->tlbs_dirty handling" 2014-04-23 17:49:48 -03:00
pmu.c KVM: x86: Fix wrong/stuck PMU when guest does not use PMI 2014-04-23 17:46:52 -03:00
svm.c Merge tag 'kvm-3.15-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm 2014-04-02 14:50:10 -07:00
trace.h kvm: Add a tracepoint write_tsc_offset 2013-06-27 14:20:51 +03:00
tss.h KVM: x86: hardware task switching support 2008-04-27 12:00:39 +03:00
vmx.c KVM: nVMX: Advertise support for interrupt acknowledgement 2014-04-22 18:41:34 -03:00
x86.c KVM: MMU: flush tlb out of mmu lock when write-protect the sptes 2014-04-23 17:49:52 -03:00
x86.h KVM: x86: introduce kvm_supported_xcr0() 2014-03-17 12:21:38 +01:00