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28bf288879
linux/arch/x86/kvm
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David Hildenbrand 28bf288879 KVM: x86: fix user triggerable warning in kvm_apic_accept_events() 
If we already entered/are about to enter SMM, don't allow switching to
INIT/SIPI_RECEIVED, otherwise the next call to kvm_apic_accept_events()
will report a warning.

Same applies if we are already in MP state INIT_RECEIVED and SMM is
requested to be turned on. Refuse to set the VCPU events in this case.

Fixes: cd7764fe9f ("KVM: x86: latch INITs while in system management mode")
Cc: stable@vger.kernel.org # 4.2+
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2017-04-07 16:49:01 +02:00
..
cpuid.c sched/headers: Prepare to move sched_info_on() and force_schedstat_enabled() from <linux/sched.h> to <linux/sched/stat.h> 2017-03-02 08:42:39 +01:00
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 Merge branch 'x86/cpufeature' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2017-01-17 17:53:01 +01:00
hyperv.c sched/headers: Prepare to move cputime functionality from <linux/sched.h> into <linux/sched/cputime.h> 2017-03-02 08:42:39 +01:00
hyperv.h KVM: x86: Hyper-V tsc page setup 2016-09-20 09:26:20 +02:00
i8254.c KVM: x86: Handle the kthread worker using the new API 2016-12-08 15:31:11 +01:00
i8254.h KVM: x86: Handle the kthread worker using the new API 2016-12-08 15:31:11 +01:00
i8259.c KVM: x86: check existance before destroy 2017-03-23 19:02:03 +01:00
ioapic.c KVM: x86: check existance before destroy 2017-03-23 19:02:03 +01:00
ioapic.h KVM: x86: fix out-of-bounds accesses of rtc_eoi map 2016-11-24 18:37:19 +01:00
irq_comm.c sched/headers: Prepare to use <linux/rcuupdate.h> instead of <linux/rculist.h> in <linux/sched.h> 2017-03-02 08:42:38 +01:00
irq.c x86/kvm: Audit and remove any unnecessary uses of module.h 2016-07-14 15:07:00 +02:00
irq.h KVM: x86: make pic setup code look like ioapic setup 2017-01-09 14:45:28 +01:00
Kconfig KVM: x86: drop legacy device assignment 2017-04-07 16:49:00 +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: Support vCPU-based gfn->hva cache 2017-02-16 18:42:46 +01:00
lapic.h KVM: x86: preparatory changes for APICv cleanups 2017-02-15 14:54:34 +01:00
Makefile KVM: x86: drop legacy device assignment 2017-04-07 16:49:00 +02:00
mmu_audit.c kvm: rename pfn_t to kvm_pfn_t 2016-01-15 17:56:32 -08:00
mmu.c kvm: nVMX: support EPT accessed/dirty bits 2017-04-07 16:49:00 +02:00
mmu.h kvm: nVMX: support EPT accessed/dirty bits 2017-04-07 16:49:00 +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: x86: cleanup the page tracking SRCU instance 2017-03-28 14:08:02 +02:00
paging_tmpl.h kvm: nVMX: support EPT accessed/dirty bits 2017-04-07 16:49:00 +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: never specify a sample period for virtualized in_tx_cp counters 2017-03-01 14:19:46 +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/svm: Setup MCG_CAP on AMD properly 2017-04-07 16:49:00 +02:00
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: support RDRAND and RDSEED exiting 2017-04-07 16:49:00 +02:00
x86.c KVM: x86: fix user triggerable warning in kvm_apic_accept_events() 2017-04-07 16:49:01 +02:00
x86.h KVM: x86: introduce get_kvmclock_ns 2016-09-20 09:26:15 +02:00