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H A Dmshr.cc12501:42537a80ef17 Tue Dec 19 09:44:00 EST 2017 Nikos Nikoleris <nikos.nikoleris@arm.com> mem-cache: Only pendingModified MSHRs can satisfy CMO snoops

We set the satisfied flag when a cache clean request encounters:
1) a block with the dirty bit set, or
2) a pending modified MSHR which means that the cache will get copy of
the block that will be soon modified.

This changeset fixes a previous bug that set the satisfied flag on
snooping MSHR hits even the pendingModified flags was not set.

Change-Id: I4968c4820997be5cc1238148eea12a1ba39837d4
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Sudhanshu Jha <sudhanshu.jha@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/7822
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>

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