Re: [PATCH v7 0/6] KVM: x86: Add idempotent controls for migrating system counter state
From: Sean Christopherson <seanjc@google.com>
Date: 2021-09-02 19:26:43
Also in:
kvm, kvmarm
On Mon, Aug 16, 2021, Oliver Upton wrote:
Applies cleanly to kvm/queue.
Parent commit: a3e0b8bd99ab ("KVM: MMU: change tracepoints arguments to kvm_page_fault")
This needs a rebase, patch 2 and presumably patch 3 conflict with commit
77fcbe823f00 ("KVM: x86: Prevent 'hv_clock->system_time' from going negative in
kvm_guest_time_update()").
v6: https://lore.kernel.org/r/20210804085819.846610-1-oupton@google.com (local) v6 -> v7: - Separated x86, arm64, and selftests into different series - Rebased on top of kvm/queue Oliver Upton (6): KVM: x86: Fix potential race in KVM_GET_CLOCK KVM: x86: Create helper methods for KVM_{GET,SET}_CLOCK ioctls KVM: x86: Report host tsc and realtime values in KVM_GET_CLOCK KVM: x86: Take the pvclock sync lock behind the tsc_write_lock KVM: x86: Refactor tsc synchronization code KVM: x86: Expose TSC offset controls to userspace Documentation/virt/kvm/api.rst | 42 ++- Documentation/virt/kvm/devices/vcpu.rst | 57 ++++ Documentation/virt/kvm/locking.rst | 11 + arch/x86/include/asm/kvm_host.h | 4 + arch/x86/include/uapi/asm/kvm.h | 4 + arch/x86/kvm/x86.c | 362 +++++++++++++++++------- include/uapi/linux/kvm.h | 7 +- 7 files changed, 378 insertions(+), 109 deletions(-) -- 2.33.0.rc1.237.g0d66db33f3-goog
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