The config option can be used to enable virtual suspend time injection support on kvm hosts. Signed-off-by: Hikaru Nishida <hikalium@xxxxxxxxxxxx> --- arch/x86/kvm/Kconfig | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index a788d5120d4d..6cb6795726a2 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -119,4 +119,17 @@ config KVM_MMU_AUDIT This option adds a R/W kVM module parameter 'mmu_audit', which allows auditing of KVM MMU events at runtime. +config KVM_VIRT_SUSPEND_TIMING + bool "Virtual suspend time injection" + depends on KVM=y + default n + help + This option makes the host's suspension reflected on the guest's clocks. + In other words, guest's CLOCK_MONOTONIC will stop and + CLOCK_BOOTTIME keeps running during the host's suspension. + This feature will only be effective when both guest and host enable + this option. + + If unsure, say N. + endif # VIRTUALIZATION -- 2.31.1.498.g6c1eba8ee3d-goog
