linux/arch/x86/kvm
Wanpeng Li 68ca7663c7 KVM: LAPIC: Narrow down the kick target vCPU
The kick after setting KVM_REQ_PENDING_TIMER is used to handle the timer
fires on a different pCPU which vCPU is running on.  This kick costs about
1000 clock cycles and we don't need this when injecting already-expired
timer or when using the VMX preemption timer because
kvm_lapic_expired_hv_timer() is called from the target vCPU.

Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Message-Id: <1599731444-3525-6-git-send-email-wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-28 07:57:09 -04:00
..
mmu Merge branch 'x86-seves-for-paolo' of https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into HEAD 2020-09-22 06:43:17 -04:00
svm KVM: nSVM: Avoid freeing uninitialized pointers in svm_set_nested_state() 2020-09-28 07:56:43 -04:00
vmx KVM: nVMX: Simplify the initialization of nested_vmx_msrs 2020-09-28 07:57:07 -04:00
cpuid.c x86/kvm: Expose TSX Suspend Load Tracking feature 2020-08-30 21:34:10 +02:00
cpuid.h KVM: x86: Extract kvm_update_cpuid_runtime() from kvm_update_cpuid() 2020-07-09 06:53:49 -04:00
debugfs.c KVM: let kvm_destroy_vm_debugfs clean up vCPU debugfs directories 2020-06-04 11:00:54 -04:00
emulate.c Merge branch 'x86-seves-for-paolo' of https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into HEAD 2020-09-22 06:43:17 -04:00
hyperv.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
hyperv.h x86/kvm/hyper-v: Add support for synthetic debugger interface 2020-06-01 04:26:11 -04:00
i8254.c kvm: i8254: remove redundant assignment to pointer s 2020-06-11 12:35:18 -04:00
i8254.h
i8259.c KVM: x86: Refactor picdev_write() to prevent Spectre-v1/L1TF attacks 2020-01-27 19:59:37 +01:00
ioapic.c kvm: ioapic: Restrict lazy EOI update to edge-triggered interrupts 2020-05-04 12:29:05 -04:00
ioapic.h kvm/x86: Remove redundant function implementations 2020-05-27 13:11:10 -04:00
irq_comm.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
irq.c KVM: nSVM: extract svm_set_gif 2020-06-01 04:26:01 -04:00
irq.h kvm/x86: Remove redundant function implementations 2020-05-27 13:11:10 -04:00
Kconfig x86/kvm: Use generic xfer to guest work function 2020-07-24 15:05:01 +02:00
kvm_cache_regs.h KVM: x86: Mark CR4.TSD as being possibly owned by the guest 2020-07-03 12:16:28 -04:00
kvm_emulate.h ARM: 2020-04-02 15:13:15 -07:00
lapic.c KVM: LAPIC: Narrow down the kick target vCPU 2020-09-28 07:57:09 -04:00
lapic.h KVM: x86: introduce kvm_can_use_hv_timer 2020-05-15 12:26:21 -04:00
Makefile kvm: Disable objtool frame pointer checking for vmenter.S 2020-04-20 17:11:19 -04:00
mmu.h KVM: x86: Pull the PGD's level from the MMU instead of recalculating it 2020-07-30 18:16:47 -04:00
mtrr.c KVM: x86: Protect MSR-based index computations in fixed_msr_to_seg_unit() from Spectre-v1/L1TF attacks 2020-01-27 19:59:39 +01:00
pmu.c KVM/x86: pmu: Fix #GP condition check for RDPMC emulation 2020-07-09 07:08:37 -04:00
pmu.h kvm: x86: limit the maximum number of vPMU fixed counters to 3 2020-07-08 16:21:59 -04:00
trace.h x86/kvm/hyper-v: Add support for synthetic debugger interface 2020-06-01 04:26:11 -04:00
tss.h
x86.c KVM: LAPIC: Narrow down the kick target vCPU 2020-09-28 07:57:09 -04:00
x86.h KVM: LAPIC: Narrow down the kick target vCPU 2020-09-28 07:57:09 -04:00