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linux/arch/x86/kvm
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Paolo Bonzini 039f0813ad KVM: x86: mask CPUID(0xD,0x1).EAX against host value 
commit 316314cae1 upstream.

This ensures that the guest doesn't see XSAVE extensions
(e.g. xgetbv1 or xsavec) that the host lacks.

Cc: stable@vger.kernel.org
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
[4.5 does have CPUID_D_1_EAX, but earlier kernels don't, so use
 the numeric value.  This is consistent with other occurrences
 of cpuid_mask in arch/x86/kvm/cpuid.c - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2016-06-01 12:15:52 -07:00
..
assigned-dev.c KVM: x86: move kvm_set_irq_inatomic to legacy device assignment 2015-11-04 16:24:36 +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: mask CPUID(0xD,0x1).EAX against host value 2016-06-01 12:15:52 -07:00
cpuid.h KVM: MTRR: treat memory as writeback if MTRR is disabled in guest CPUID 2015-12-22 15:29:00 +01:00
emulate.c KVM: x86: fix conversion of addresses to linear in 32-bit protected mode 2016-03-03 15:07:29 -08:00
hyperv.c kvm/x86: Hyper-V HV_X64_MSR_VP_RUNTIME support 2015-10-01 15:06:33 +02:00
hyperv.h kvm/x86: added hyper-v crash msrs into kvm hyperv context 2015-07-23 08:27:06 +02:00
i8254.c KVM: i8254: change PIT discard tick policy 2016-04-12 09:08:33 -07:00
i8254.h KVM: move iodev.h from virt/kvm/ to include/kvm 2015-03-26 21:43:12 +00:00
i8259.c KVM: x86: clean/fix memory barriers in irqchip_in_kernel 2015-07-30 16:02:56 +02:00
ioapic.c KVM: x86: fix edge EOI and IOAPIC reconfig race 2015-10-14 16:41:08 +02:00
ioapic.h KVM: x86: Add EOI exit bitmap inference 2015-10-01 15:06:28 +02:00
iommu.c KVM: count number of assigned devices 2015-07-10 13:25:26 +02:00
irq.c KVM: x86: Add support for local interrupt requests from userspace 2015-10-01 15:06:29 +02:00
irq.h KVM: x86: Add support for local interrupt requests from userspace 2015-10-01 15:06:29 +02:00
irq_comm.c KVM: x86: move kvm_set_irq_inatomic to legacy device assignment 2015-11-04 16:24:36 +01:00
Kconfig KVM: x86: select IRQ_BYPASS_MANAGER 2015-10-01 15:06:52 +02:00
kvm_cache_regs.h KVM: x86: API changes for SMM support 2015-06-04 16:01:11 +02:00
lapic.c KVM: x86: Move TSC scaling logic out of call-back read_l1_tsc() 2015-11-10 12:06:18 +01:00
lapic.h KVM: Define a new interface kvm_intr_is_single_vcpu() 2015-10-01 15:06:49 +02:00
Makefile kvm/x86: move Hyper-V MSR's/hypercall code into hyperv.c file 2015-07-23 08:27:06 +02:00
mmu.c KVM: MMU: fix reserved bit check for ept=0/CR0.WP=0/CR4.SMEP=1/EFER.NX=0 2016-03-16 08:42:58 -07:00
mmu.h KVM: x86: merge handle_mmio_page_fault and handle_mmio_page_fault_common 2015-11-10 12:06:03 +01:00
mmu_audit.c Minor merge needed, due to function move. 2015-07-01 10:49:25 -07:00
mmutrace.h tracing: Rename ftrace_event.h to trace_events.h 2015-05-13 14:05:12 -04:00
mtrr.c KVM: MTRR: remove MSR 0x2f8 2016-06-01 12:15:52 -07:00
paging_tmpl.h KVM: x86: MMU: fix ubsan index-out-of-range warning 2016-03-03 15:07:29 -08:00
pmu.c KVM: x86/vPMU: Define kvm_pmu_ops to support vPMU function dispatch 2015-06-23 14:12:14 +02:00
pmu.h KVM: x86/vPMU: Define kvm_pmu_ops to support vPMU function dispatch 2015-06-23 14:12:14 +02:00
pmu_amd.c KVM: x86/vPMU: Fix unnecessary signed extension for AMD PERFCTRn 2015-08-11 15:19:41 +02:00
pmu_intel.c KVM: x86/vPMU: Define kvm_pmu_ops to support vPMU function dispatch 2015-06-23 14:12:14 +02:00
svm.c kvm: x86: move tracepoints outside extended quiescent state 2015-12-11 12:26:33 +01:00
trace.h KVM: x86: correctly print #AC in traces 2016-01-31 11:28:54 -08:00
tss.h KVM: x86: hardware task switching support 2008-04-27 12:00:39 +03:00
vmx.c KVM: x86: fix ordering of cr0 initialization code in vmx_cpu_reset 2016-06-01 12:15:52 -07:00
x86.c kvm: x86: do not leak guest xcr0 into host interrupt handlers 2016-05-04 14:48:40 -07:00
x86.h x86/fpu: Rename XSAVE macros 2015-09-14 12:21:46 +02:00