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mirror_ubuntu-kernels/arch/x86/kvm
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Frederic Weisbecker 4ae7dc97f7 entry/kvm: Explicitly flush pending rcuog wakeup before last rescheduling point 
Following the idle loop model, cleanly check for pending rcuog wakeup
before the last rescheduling point upon resuming to guest mode. This
way we can avoid to do it from rcu_user_enter() with the last resort
self-IPI hack that enforces rescheduling.

Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20210131230548.32970-6-frederic@kernel.org
2021-02-17 14:12:43 +01:00
..
mmu KVM: x86/mmu: Fix TDP MMU zap collapsible SPTEs 2021-02-04 04:38:53 -05:00
svm KVM: x86: cleanup CR3 reserved bits checks 2021-02-03 04:30:38 -05:00
vmx KVM: x86: Allow guests to see MSR_IA32_TSX_CTRL even if tsx=off 2021-02-01 12:43:00 -05:00
cpuid.c KVM: x86: fix CPUID entries returned by KVM_GET_CPUID2 ioctl 2021-01-28 02:40:11 -05:00
cpuid.h KVM: x86: reinstate vendor-agnostic check on SPEC_CTRL cpuid bits 2020-12-11 19:05:13 -05:00
debugfs.c KVM: let kvm_destroy_vm_debugfs clean up vCPU debugfs directories 2020-06-04 11:00:54 -04:00
emulate.c KVM: x86: Update emulator context mode if SYSENTER xfers to 64-bit mode 2021-02-02 12:03:54 -05:00
hyperv.c KVM: x86: hyper-v: allow KVM_GET_SUPPORTED_HV_CPUID as a system ioctl 2020-11-15 09:49:11 -05:00
hyperv.h KVM: x86: hyper-v: allow KVM_GET_SUPPORTED_HV_CPUID as a system ioctl 2020-11-15 09:49:11 -05:00
i8254.c kvm: i8254: remove redundant assignment to pointer s 2020-06-11 12:35:18 -04:00
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: Refactor picdev_write() to prevent Spectre-v1/L1TF attacks 2020-01-27 19:59:37 +01:00
ioapic.c KVM: ioapic: break infinite recursion on lazy EOI 2020-10-24 04:42:06 -04:00
ioapic.h kvm/x86: Remove redundant function implementations 2020-05-27 13:11:10 -04:00
irq_comm.c x86/kvm: Use msi_msg shadow structs 2020-10-28 20:26:26 +01:00
irq.c KVM: x86: Fix split-irqchip vs interrupt injection window request 2020-11-27 09:27:28 -05:00
irq.h kvm/x86: Remove redundant function implementations 2020-05-27 13:11:10 -04:00
Kconfig KVM: SVM: Add support for SEV-ES capability in KVM 2020-12-14 11:09:31 -05:00
kvm_cache_regs.h KVM: x86: Revert "KVM: x86: Mark GPRs dirty when written" 2021-01-25 18:52:10 -05:00
kvm_emulate.h ARM: 2020-04-02 15:13:15 -07:00
lapic.c KVM: SVM: Add support for booting APs in an SEV-ES guest 2021-01-07 18:11:37 -05:00
lapic.h KVM: nVMX: Morph notification vector IRQ on nested VM-Enter to pending PI 2020-09-28 07:57:22 -04:00
Makefile KVM: X86: Implement ring-based dirty memory tracking 2020-11-15 09:49:15 -05:00
mmu.h KVM: x86: Add more protection against undefined behavior in rsvd_bits() 2021-01-25 18:52:06 -05:00
mtrr.c KVM: x86: remove bogus #GP injection 2020-12-15 05:18:30 -05:00
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 KVM: SVM: Create trace events for VMGEXIT MSR protocol processing 2020-12-15 05:20:49 -05:00
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 entry/kvm: Explicitly flush pending rcuog wakeup before last rescheduling point 2021-02-17 14:12:43 +01:00
x86.h KVM: x86: Supplement __cr4_reserved_bits() with X86_FEATURE_PCID check 2021-02-01 12:43:02 -05:00