Avi Kivity wrote: > Laurent Vivier wrote: >> KVM updates vtime in task_struct to allow account_guest_time() to modify user, >> system and guest time in cpustat accordingly. >> > >> --- kvm.orig/drivers/kvm/Kconfig 2007-08-17 10:24:46.000000000 +0200 >> +++ kvm/drivers/kvm/Kconfig 2007-08-17 10:25:25.000000000 +0200 >> @@ -41,4 +41,10 @@ >> Provides support for KVM on AMD processors equipped with the AMD-V >> (SVM) extensions. >> >> +config GUEST_ACCOUNTING >> + bool "Virtual Machine accounting support" >> + depends on KVM >> + ---help--- >> + Allows to account CPU time used by the Virtual Machines. >> + > > > Other way round. In the patch that adds account_guest_time(), have a > CONFIG_GUEST_ACCOUNTING (defaulting to n, with no description, help, or > dependencies. Then, CONFIG_KVM can select GUEST_ACCOUNTING. I was wondering in which Kconfig I can put it... > The advantages of this are: > - the puppyvisor can also select this if it so wishes > - we don't have core code reference some obscure module I agree. > CONFIG_PREEMPT_NOTIFIERS does the same thing. I saw Laurent -- ------------- [email protected] -------------- "Software is hard" - Donald Knuth
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