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e3fd9a93a1
linux/arch/x86/kvm
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Paolo Bonzini e3fd9a93a1 kvm: kvmclock: let KVM_GET_CLOCK return whether the master clock is in use 
Userspace can read the exact value of kvmclock by reading the TSC
and fetching the timekeeping parameters out of guest memory.  This
however is brittle and not necessary anymore with KVM 4.11.  Provide
a mechanism that lets userspace know if the new KVM_GET_CLOCK
semantics are in effect, and---since we are at it---if the clock
is stable across all VCPUs.

Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2016-11-19 19:04:16 +01:00
..
assigned-dev.c KVM: x86: use list_for_each_entry* 2016-02-23 15:40:54 +01:00
assigned-dev.h KVM: x86: move device assignment out of kvm_host.h 2014-11-24 16:53:50 +01:00
cpuid.c KVM: x86: Expose more Intel AVX512 feature to guest 2016-08-19 17:51:40 +02:00
cpuid.h Revert "KVM: x86: add pcommit support" 2016-07-23 11:04:23 -07:00
debugfs.c kvm: x86: export TSC information to user-space 2016-09-16 16:57:48 +02:00
emulate.c kvm: x86: Check memopp before dereference (CVE-2016-8630) 2016-11-02 21:31:53 +01:00
hyperv.c KVM: x86: Hyper-V tsc page setup 2016-09-20 09:26:20 +02:00
hyperv.h KVM: x86: Hyper-V tsc page setup 2016-09-20 09:26:20 +02:00
i8254.c kthread: kthread worker API cleanup 2016-10-11 15:06:33 -07:00
i8254.h KVM: i8254: turn kvm_kpit_state.reinject into atomic_t 2016-03-04 09:30:25 +01:00
i8259.c KVM: x86: clean/fix memory barriers in irqchip_in_kernel 2015-07-30 16:02:56 +02:00
ioapic.c kvm: x86: memset whole irq_eoi 2016-10-20 14:54:11 +02:00
ioapic.h kvm: x86: Track irq vectors in ioapic->rtc_status.dest_map 2016-03-03 14:36:18 +01:00
iommu.c - ARM: GICv3 ITS emulation and various fixes. Removal of the old 2016-08-02 16:11:27 -04:00
irq_comm.c KVM: x86: add KVM_CAP_X2APIC_API 2016-07-14 09:03:57 +02:00
irq.c x86/kvm: Audit and remove any unnecessary uses of module.h 2016-07-14 15:07:00 +02:00
irq.h KVM: Move kvm_setup_default/empty_irq_routing declaration in arch specific header 2016-07-22 18:52:00 +01:00
Kconfig KVM: remove kvm_vcpu_compatible 2016-06-16 00:05:00 +02:00
kvm_cache_regs.h KVM, pkeys: add pkeys support for permission_fault 2016-03-22 16:23:37 +01:00
lapic.c KVM: lapic: don't recalculate apic map table twice when enabling LAPIC 2016-08-19 17:51:40 +02:00
lapic.h KVM: x86: use hardware-compatible format for APIC ID register 2016-07-14 09:03:54 +02:00
Makefile kvm: add stubs for arch specific debugfs support 2016-09-16 16:57:47 +02:00
mmu_audit.c kvm: rename pfn_t to kvm_pfn_t 2016-01-15 17:56:32 -08:00
mmu.c mmu: don't pass *kvm to spte_write_protect and spte_*_dirty 2016-08-19 17:51:40 +02:00
mmu.h kvm: mmu: remove is_present_gpte() 2016-07-14 09:02:47 +02:00
mmutrace.h tracing: Rename ftrace_event.h to trace_events.h 2015-05-13 14:05:12 -04:00
mtrr.c KVM: MTRR: fix kvm_mtrr_check_gfn_range_consistency page fault 2016-07-05 16:14:43 +02:00
page_track.c KVM: page_track: fix access to NULL slot 2016-03-22 17:27:28 +01:00
paging_tmpl.h kvm: mmu: track read permission explicitly for shadow EPT page tables 2016-07-14 09:03:50 +02:00
pmu_amd.c perf/x86/amd: Make HW_CACHE_REFERENCES and HW_CACHE_MISSES measure L2 2016-09-16 16:19:49 +02:00
pmu_intel.c KVM: x86: Fix typos 2016-06-14 11:16:28 +02:00
pmu.c KVM: x86: consolidate different ways to test for in-kernel LAPIC 2016-02-09 16:57:45 +01:00
pmu.h KVM: x86/vPMU: Define kvm_pmu_ops to support vPMU function dispatch 2015-06-23 14:12:14 +02:00
svm.c KVM: x86: drop TSC offsetting kvm_x86_ops to fix KVM_GET/SET_CLOCK 2016-11-02 20:03:07 +01:00
trace.h KVM: x86: support using the vmx preemption timer for tsc deadline timer 2016-06-16 10:07:48 +02:00
tss.h
vmx.c kvm: nVMX: VMCLEAR an active shadow VMCS after last use 2016-11-02 20:03:17 +01:00
x86.c kvm: kvmclock: let KVM_GET_CLOCK return whether the master clock is in use 2016-11-19 19:04:16 +01:00
x86.h KVM: x86: introduce get_kvmclock_ns 2016-09-20 09:26:15 +02:00