On Fri, 2017-07-28 at 09:03 +0200, Paolo Bonzini wrote: > With these two patches, KVM does not blindly pass the exit interruption > info and exit qualification from the vmcs02 and vmcs12 when injecting > an exception. There were two spots where this was done, namely > nested_vmx_check_exception and vmx_inject_page_fault_nested. > > Patch 1 avoids writing the vmcs02's VM_EXIT_INTR_ERROR_CODE field, > which as Jim noticed isn't possible on pre-Haswell machines, but > otherwise has no semantic effect. > > Patch 2 is the actual bugfix. I was looking into oodles of lapic_timer.hv_timer_in_use warnings in RT, introduced by KVM: LAPIC: Fix lapic timer injection delay, when I noticed this post. Happily, I can report that they are history. -Mike
