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| author | Steve Reinhardt <steve.reinhardt@amd.com> | 2010-09-21 23:07:34 -0700 |
|---|---|---|
| committer | Steve Reinhardt <steve.reinhardt@amd.com> | 2010-09-21 23:07:34 -0700 |
| commit | e9185363804489ce2b84d50fe77ed94f3a5f1e01 (patch) | |
| tree | 548ef8a00f15252294a626b728399e4358fc672c /tests/long | |
| parent | 0bd9cea34063e4da737af382bb4e3e598448499a (diff) | |
| download | gem5-e9185363804489ce2b84d50fe77ed94f3a5f1e01.tar.xz | |
cache: improve coherence handling of writebacks
If we write back an exclusive copy, we now mark it
as such, so the cache receiving the writeback can
mark its copy as exclusive. This avoids some
unnecessary upgrade requests when a cache later
tries to re-acquire exclusive access to the block.
Diffstat (limited to 'tests/long')
0 files changed, 0 insertions, 0 deletions