AuxXxilium/linux_dsm_epyc7002
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ea1529873a
linux_dsm_epyc7002/arch/x86/kvm
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Vitaly Kuznetsov ea1529873a KVM: x86: hyper-v: don't crash on KVM_GET_SUPPORTED_HV_CPUID when kvm_intel.nested is disabled 
If kvm_intel is loaded with nested=0 parameter an attempt to perform
KVM_GET_SUPPORTED_HV_CPUID results in OOPS as nested_get_evmcs_version hook
in kvm_x86_ops is NULL (we assign it in nested_vmx_hardware_setup() and
this only happens in case nested is enabled).

Check that kvm_x86_ops->nested_get_evmcs_version is not NULL before
calling it. With this, we can remove the stub from svm as it is no
longer needed.

Cc: <stable@vger.kernel.org>
Fixes: e2e871ab2f ("x86/kvm/hyper-v: Introduce nested_get_evmcs_version() helper")
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2019-08-27 20:59:04 +02:00
..
vmx KVM: x86: hyper-v: don't crash on KVM_GET_SUPPORTED_HV_CPUID when kvm_intel.nested is disabled 2019-08-27 20:59:04 +02:00
cpuid.c KVM: x86: expose AVX512_BF16 feature to guest 2019-07-15 12:49:30 +02:00
cpuid.h x86/cpufeatures: Combine word 11 and 12 into a new scattered features word 2019-06-20 12:38:44 +02:00
debugfs.c KVM: no need to check return value of debugfs_create functions 2019-08-05 12:55:49 +02:00
emulate.c x86/kvm: Fix fastop function ELF metadata 2019-07-18 21:01:03 +02:00
hyperv.c KVM: x86: hyper-v: don't crash on KVM_GET_SUPPORTED_HV_CPUID when kvm_intel.nested is disabled 2019-08-27 20:59:04 +02:00
hyperv.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499 2019-06-19 17:09:53 +02:00
i8254.c kvm: x86: Add memcg accounting to KVM allocations 2019-02-20 22:48:30 +01:00
i8254.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
i8259.c kvm: x86: Add memcg accounting to KVM allocations 2019-02-20 22:48:30 +01:00
ioapic.c kvm: x86: ioapic and apic debug macros cleanup 2019-07-15 20:39:01 +02:00
ioapic.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
irq_comm.c KVM/arm updates for 5.3 2019-07-11 15:14:16 +02:00
irq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 320 2019-06-05 17:37:05 +02:00
irq.h KVM/arm updates for 5.3 2019-07-11 15:14:16 +02:00
Kconfig kvm: x86: add host poll control msrs 2019-06-18 11:43:46 +02:00
kvm_cache_regs.h KVM: x86: use direct accessors for RIP and RSP 2019-04-30 22:07:26 +02:00
lapic.c kvm: x86: skip populating logical dest map if apic is not sw enabled 2019-08-14 16:28:33 +02:00
lapic.h KVM: LAPIC: Inject timer interrupt via posted interrupt 2019-07-20 09:00:40 +02:00
Makefile KVM: x86: fix TRACE_INCLUDE_PATH and remove -I. header search paths 2019-01-25 19:12:37 +01:00
mmu_audit.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499 2019-06-19 17:09:53 +02:00
mmu.c Revert "KVM: x86/mmu: Zap only the relevant pages when removing a memslot" 2019-08-21 10:28:41 +02:00
mmu.h kvm: mmu: Fix overflow on kvm mmu page limit calculation 2019-04-16 15:37:30 +02:00
mmutrace.h KVM: x86: add tracepoints around __direct_map and FNAME(fetch) 2019-07-05 13:48:48 +02:00
mtrr.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499 2019-06-19 17:09:53 +02:00
page_track.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499 2019-06-19 17:09:53 +02:00
paging_tmpl.h KVM/arm updates for 5.3 2019-07-11 15:14:16 +02:00
pmu_amd.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499 2019-06-19 17:09:53 +02:00
pmu.c KVM: x86: Add fixed counters to PMU filter 2019-07-20 09:00:48 +02:00
pmu.h KVM: x86: PMU Event Filter 2019-07-11 15:08:28 +02:00
svm.c KVM: x86: hyper-v: don't crash on KVM_GET_SUPPORTED_HV_CPUID when kvm_intel.nested is disabled 2019-08-27 20:59:04 +02:00
trace.h KVM: LAPIC: remove the trailing newline used in the fmt parameter of TP_printk 2019-07-03 16:14:39 +02:00
tss.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
x86.c KVM: Fix leak vCPU's VMCS value into other pCPU 2019-08-05 12:55:47 +02:00
x86.h KVM: LAPIC: Inject timer interrupt via posted interrupt 2019-07-20 09:00:40 +02:00