mem: Allocate cache writebacks before new MSHRs
Review Request #2703 - Created March 22, 2015 and submitted - Latest diff uploaded
| Information | |
|---|---|
| Andreas Hansson | |
| gem5 | |
| default | |
| Reviewers | |
| Default | |
Changeset 10769:79a9bddce6bf --------------------------- mem: Allocate cache writebacks before new MSHRs This patch changes the order of writeback allocation such that any writebacks resulting from a tag lookup (e.g. for an uncacheable access), are added to the writebuffer before any new MSHR entries are allocated. This ensures that the writebacks logically precedes the new allocations. The patch also changes the uncacheable flush to use proper timed (or atomic) writebacks, as opposed to functional writes.