AuxXxilium/linux_dsm_epyc7002
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8ef863e67a
linux_dsm_epyc7002/arch/x86/kvm
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Sean Christopherson 8ef863e67a KVM: nVMX: Don't reread VMCS-agnostic state when switching VMCS 
When switching between vmcs01 and vmcs02, there is no need to update
state tracking for values that aren't tied to any particular VMCS as
the per-vCPU values are already up-to-date (vmx_switch_vmcs() can only
be called when the vCPU is loaded).

Avoiding the update eliminates a RDMSR, and potentially a RDPKRU and
posted-interrupt update (cmpxchg64() and more).

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-06-18 11:47:06 +02:00
..
vmx KVM: nVMX: Don't reread VMCS-agnostic state when switching VMCS 2019-06-18 11:47:06 +02:00
cpuid.c kvm: x86: add host poll control msrs 2019-06-18 11:43:46 +02:00
cpuid.h KVM/x86: Update the reverse_cpuid list to include CPUID_7_EDX 2018-02-03 23:06:51 +01:00
debugfs.c KVM: LAPIC: Expose per-vCPU timer_advance_ns to userspace 2019-05-24 21:27:09 +02:00
emulate.c KVM: x86: Use DR_TRAP_BITS instead of hard-coded 15 2019-06-18 11:43:42 +02:00
hyperv.c * ARM: support for SVE and Pointer Authentication in guests, PMU improvements 2019-05-17 10:33:30 -07:00
hyperv.h x86/kvm/hyper-v: Introduce KVM_GET_SUPPORTED_HV_CPUID 2018-12-14 17:59:54 +01:00
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: Add memcg accounting to KVM allocations 2019-02-20 22:48:30 +01:00
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: x86: check kvm_apic_sw_enabled() is enough 2019-06-18 11:43:46 +02:00
irq.c kvm: Check irqchip mode before assign irqfd 2019-05-24 21:27:12 +02:00
irq.h kvm: Check irqchip mode before assign irqfd 2019-05-24 21:27:12 +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: offset is ensure to be in range 2019-06-18 11:43:48 +02:00
lapic.h kvm: x86: use same convention to name kvm_lapic_{set,clear}_vector() 2019-06-18 11:43:47 +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 x86/kvm/mmu: make vcpu->mmu a pointer to the current MMU 2018-10-17 00:30:02 +02:00
mmu.c KVM: x86: clean up conditions for asynchronous page fault handling 2019-06-13 19:20:54 +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: fix handling of role.cr4_pae and rename it to 'gpte_size' 2019-03-28 17:27:03 +01:00
mtrr.c KVM: x86: optimize check for valid PAT value 2019-04-16 15:39:02 +02:00
page_track.c kvm: x86: Add memcg accounting to KVM allocations 2019-02-20 22:48:30 +01:00
paging_tmpl.h * ARM: support for SVE and Pointer Authentication in guests, PMU improvements 2019-05-17 10:33:30 -07:00
pmu_amd.c KVM: x86/pmu: mask the result of rdpmc according to the width of the counters 2019-05-24 21:27:13 +02:00
pmu.c KVM: x86/pmu: mask the result of rdpmc according to the width of the counters 2019-05-24 21:27:13 +02:00
pmu.h KVM: x86/pmu: mask the result of rdpmc according to the width of the counters 2019-05-24 21:27:13 +02:00
svm.c KVM: VMX: Handle NMIs, #MCs and async #PFs in common irqs-disabled fn 2019-06-18 11:46:04 +02:00
trace.h KVM: x86: avoid misreporting level-triggered irqs as edge-triggered in tracing 2019-04-16 15:38:08 +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: VMX: Handle NMIs, #MCs and async #PFs in common irqs-disabled fn 2019-06-18 11:46:04 +02:00
x86.h KVM: X86: Provide a capability to disable cstate msr read intercepts 2019-06-04 19:27:35 +02:00