RandomX: added cache QoS support

False by default. If set to true, all non-mining CPU cores will not have access to L3 cache.

src/crypto/rx/RxConfig.h

@@ -65,6 +65,7 @@ public:
     inline bool isOneGbPages() const    { return m_oneGbPages; }
     inline bool rdmsr() const           { return m_rdmsr; }
     inline bool wrmsr() const           { return m_wrmsr; }
+    inline bool cacheQoS() const        { return m_cacheQoS; }
     inline Mode mode() const            { return m_mode; }
 
 #   ifdef XMRIG_FEATURE_MSR
@@ -83,6 +84,8 @@ private:
     bool m_wrmsr = false;
 #   endif
 
+    bool m_cacheQoS = false;
+
     Mode readMode(const rapidjson::Value &value) const;
 
     bool m_numa         = true;