diff options
Diffstat (limited to 'notes')
| -rw-r--r-- | notes | 13 |
1 files changed, 7 insertions, 6 deletions
@@ -1,7 +1,4 @@ Observations: -- some times get extra faults with race condition.. think there is - a race cond with track_page and something is untracking the pages again -- on Questions: - test/sevstep: why 0 then 15, arent both accesses in the first page? @@ -18,9 +15,13 @@ Next steps: - try adjusting timer for single stepping - Try to setup the non-baseline step without apic, but remapping page such that we see the relevant page faults and the gfn increment -- need to not retrack, allow the page to get remapped - (return false from sevstep_uspt_track.. caller) and enable single_step, - THEN when interrupt hits retrack the page - test/sevstep: implement counter.. read program memory to see how many instructions were executed on apic timer - add warning for high values in baseline + +Meeting questions: +- Why is decrypted rip sometimes off-by-one? + => +- VM gets interrupted independent of our APIC (by the scheduler) is this a problem? + => +- |