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authorSteve Reinhardt <steve.reinhardt@amd.com>2010-09-21 23:07:34 -0700
committerSteve Reinhardt <steve.reinhardt@amd.com>2010-09-21 23:07:34 -0700
commite9185363804489ce2b84d50fe77ed94f3a5f1e01 (patch)
tree548ef8a00f15252294a626b728399e4358fc672c /tests/long
parent0bd9cea34063e4da737af382bb4e3e598448499a (diff)
downloadgem5-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