0d8f526f58
- in tlb_flush_all(), don't skip TLB entries with the high bit on, I was confused about which MMU register it was using. it's also fine to use the last hardware context. - in pmap_create(), don't allocate a hardware context for the new pmap. it's unnecessary, and when this would cause us to recycle all the contexts, it would result in the current process's context being set to 0 (ie. the kernel's context). the current process could then return to userspace without going through the context-switch code (and thus without having a hardware context reallocated). this would lead to user mappings being entered in the kernel's context later, causing all sorts of trouble. add some assertions to catch this kind of thing. |
||
|---|---|---|
| .. | ||
| compile | ||
| conf | ||
| dev | ||
| include | ||
| sparc64 | ||
| stand | ||
| Makefile | ||