On 04/07/19 04:11, wang.yi59@xxxxxxxxxx wrote: >> For MMU_DEBUG, the way to go is to add more tracepoints, but then >> converting all pgprintk occurrences to tracepoints would be wrong. You >> can only find the "right" tracepoints when debugging MMU code. I do >> have a couple patches in this area, I will send them when possible. > > Agreed. Hoping your patches. I have now sent them, see "KVM: some x86 MMU cleanup and new tracepoints". Paolo