Re: [patch 4/4] KVM: allow direct access to PMTimer port

2008-05-25 Thread Avi Kivity
Marcelo Tosatti wrote: There's not much point in exiting for pmtimer reads, since it runs at a fixed clock rate and its start value is undefined. The KVM-specific ioctl to read the counter from userspace is not nice though. Ideas? CC: Len Brown [EMAIL PROTECTED] diff --git

Re: [patch 4/4] KVM: allow direct access to PMTimer port

2008-05-25 Thread Avi Kivity
Marcelo Tosatti wrote: There's not much point in exiting for pmtimer reads, since it runs at a fixed clock rate and its start value is undefined. On a migration farm with lots of different hardware, eventually all guests will have migrated and none of them will be able to use the