Update TODO list

2026-06-06 00:14:22 +08:00 · 2016-11-20 12:26:08 -06:00
parent 01ade4803a
commit cee8d59b58
2 changed files with 5 additions and 1 deletions
@@ -321,6 +321,11 @@ o SMP
               unless the spinlocks were made to be the same size as one cache
               line.

+               This might be doable if a write-through cache is used.  Then you
+               could always safely invalidate the cache line before reading the
+               spinlock because there should never be any dirty cache lines in
+               this case.
+
               The better option is to add compiler independent "ornamentation"
               to the spinlock so that the spinlocks are all linked together
               into a separate, non-cacheable memory regions.  Because of