mem-ruby: removed unused checkCoherence

Change-Id: I108b95513f2828470fe70bad5f136b0721598582
Signed-off-by: Tiago Mück <tiago.muck@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/21924
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>

src/mem/ruby/protocol/RubySlicc_Types.sm

@@ -128,7 +128,6 @@ structure (Sequencer, external = "yes") {
   void writeCallbackScFail(Addr, DataBlock);
   bool llscCheckMonitor(Addr);
 
-  void checkCoherence(Addr);
   void evictionCallback(Addr);
   void recordRequestType(SequencerRequestType);
   bool checkResourceAvailable(CacheResourceType, Addr);
@@ -148,7 +147,6 @@ structure (GPUCoalescer, external = "yes") {
                      Cycles, Cycles, Cycles);
   void writeCallback(Addr, MachineType, DataBlock,
                      Cycles, Cycles, Cycles, bool);
-  void checkCoherence(Addr);
   void evictionCallback(Addr);
   void recordCPReadCallBack(MachineID, MachineID);
   void recordCPWriteCallBack(MachineID, MachineID);
@@ -169,7 +167,6 @@ structure (VIPERCoalescer, external = "yes") {
                      Cycles, Cycles, Cycles, bool);
   void invCallback(Addr);
   void wbCallback(Addr);
-  void checkCoherence(Addr);
   void evictionCallback(Addr);
 }
 

src/mem/ruby/system/GPUCoalescer.cc

@@ -976,13 +976,6 @@ GPUCoalescer::print(ostream& out) const
         << "]";
 }
 
-// this can be called from setState whenever coherence permissions are
-// upgraded when invoked, coherence violations will be checked for the
-// given block
-void
-GPUCoalescer::checkCoherence(Addr addr)
-{
-}
 
 void
 GPUCoalescer::recordRequestType(SequencerRequestType requestType) {

src/mem/ruby/system/GPUCoalescer.hh

@@ -176,7 +176,6 @@ class GPUCoalescer : public RubyPort
     bool empty() const;
 
     void print(std::ostream& out) const;
-    void checkCoherence(Addr address);
 
     void markRemoved();
     void removeRequest(GPUCoalescerRequest* request);

src/mem/ruby/system/Sequencer.cc

@@ -738,14 +738,6 @@ Sequencer::print(ostream& out) const
         << "]";
 }
 
-// this can be called from setState whenever coherence permissions are
-// upgraded when invoked, coherence violations will be checked for the
-// given block
-void
-Sequencer::checkCoherence(Addr addr)
-{
-}
-
 void
 Sequencer::recordRequestType(SequencerRequestType requestType) {
     DPRINTF(RubyStats, "Recorded statistic: %s\n",

src/mem/ruby/system/Sequencer.hh

@@ -124,7 +124,6 @@ class Sequencer : public RubyPort
     { deschedule(deadlockCheckEvent); }
 
     void print(std::ostream& out) const;
-    void checkCoherence(Addr address);
 
     void markRemoved();
     void evictionCallback(Addr address);