From ab8de72db09e09804411dd7621caf947b62c69f7 Mon Sep 17 00:00:00 2001
From: Michael Scire <SciresM@gmail.com>
Date: Wed, 2 Dec 2020 02:14:24 -0800
Subject: [PATCH] microkernel: hot paths are pretty fucking hot

---
 .../source/kern_k_page_table_base.cpp         |   5 +
 .../source/kern_k_server_session.cpp          |   5 +
 .../libmesosphere/source/svc/kern_svc_ipc.cpp |   5 +
 .../vapours/svc/ipc/svc_message_buffer.hpp    |   5 +
 .../vapours/util/util_intrusive_list.hpp      | 208 +++++++++---------
 .../util/util_intrusive_red_black_tree.hpp    | 150 ++++++-------
 6 files changed, 199 insertions(+), 179 deletions(-)

diff --git a/libraries/libmesosphere/source/kern_k_page_table_base.cpp b/libraries/libmesosphere/source/kern_k_page_table_base.cpp
index b505019e9..b53e9bf27 100644
--- a/libraries/libmesosphere/source/kern_k_page_table_base.cpp
+++ b/libraries/libmesosphere/source/kern_k_page_table_base.cpp
@@ -3054,6 +3054,9 @@ namespace ams::kern {
         return ResultSuccess();
     }
 
+    #pragma GCC push_options
+    #pragma GCC optimize ("-O2")
+
     Result KPageTableBase::SetupForIpcClient(PageLinkedList *page_list, size_t *out_blocks_needed, KProcessAddress address, size_t size, KMemoryPermission test_perm, KMemoryState dst_state) {
         /* Validate pre-conditions. */
         MESOSPHERE_ASSERT(this->IsLockedByCurrentThread());
@@ -3707,6 +3710,8 @@ namespace ams::kern {
         }
     }
 
+    #pragma GCC pop_options
+
     Result KPageTableBase::MapPhysicalMemory(KProcessAddress address, size_t size) {
         /* Lock the physical memory lock. */
         KScopedLightLock phys_lk(this->map_physical_memory_lock);
diff --git a/libraries/libmesosphere/source/kern_k_server_session.cpp b/libraries/libmesosphere/source/kern_k_server_session.cpp
index c48844313..40a466cd1 100644
--- a/libraries/libmesosphere/source/kern_k_server_session.cpp
+++ b/libraries/libmesosphere/source/kern_k_server_session.cpp
@@ -17,6 +17,9 @@
 
 namespace ams::kern {
 
+    #pragma GCC push_options
+    #pragma GCC optimize ("-O2")
+
     namespace ipc {
 
         using MessageBuffer = ams::svc::ipc::MessageBuffer;
@@ -1362,4 +1365,6 @@ namespace ams::kern {
         this->NotifyAvailable(svc::ResultSessionClosed());
     }
 
+    #pragma GCC pop_options
+
 }
diff --git a/libraries/libmesosphere/source/svc/kern_svc_ipc.cpp b/libraries/libmesosphere/source/svc/kern_svc_ipc.cpp
index 2d0dc1c6e..af6b56595 100644
--- a/libraries/libmesosphere/source/svc/kern_svc_ipc.cpp
+++ b/libraries/libmesosphere/source/svc/kern_svc_ipc.cpp
@@ -17,6 +17,9 @@
 
 namespace ams::kern::svc {
 
+    #pragma GCC push_options
+    #pragma GCC optimize ("-O2")
+
     /* =============================    Common    ============================= */
 
     namespace {
@@ -304,4 +307,6 @@ namespace ams::kern::svc {
         return ReplyAndReceiveWithUserBuffer(out_index, message_buffer, message_buffer_size, handles, num_handles, reply_target, timeout_ns);
     }
 
+    #pragma GCC pop_options
+
 }
diff --git a/libraries/libvapours/include/vapours/svc/ipc/svc_message_buffer.hpp b/libraries/libvapours/include/vapours/svc/ipc/svc_message_buffer.hpp
index 28c63dbd8..03239f5c5 100644
--- a/libraries/libvapours/include/vapours/svc/ipc/svc_message_buffer.hpp
+++ b/libraries/libvapours/include/vapours/svc/ipc/svc_message_buffer.hpp
@@ -19,6 +19,9 @@
 
 namespace ams::svc::ipc {
 
+    #pragma GCC push_options
+    #pragma GCC optimize ("-O2")
+
     ALWAYS_INLINE u32 *GetMessageBuffer() {
         return GetThreadLocalRegion()->message_buffer;
     }
@@ -545,4 +548,6 @@ namespace ams::svc::ipc {
             }
     };
 
+    #pragma GCC pop_options
+
 }
diff --git a/libraries/libvapours/include/vapours/util/util_intrusive_list.hpp b/libraries/libvapours/include/vapours/util/util_intrusive_list.hpp
index 486720f91..811b9bee0 100644
--- a/libraries/libvapours/include/vapours/util/util_intrusive_list.hpp
+++ b/libraries/libvapours/include/vapours/util/util_intrusive_list.hpp
@@ -38,17 +38,17 @@ namespace ams::util {
         public:
             constexpr IntrusiveListNode() : prev(this), next(this) { /* ... */ }
 
-            constexpr bool IsLinked() const {
+            constexpr ALWAYS_INLINE bool IsLinked() const {
                 return this->next != this;
             }
         private:
-            void LinkPrev(IntrusiveListNode *node) {
+            ALWAYS_INLINE void LinkPrev(IntrusiveListNode *node) {
                 /* We can't link an already linked node. */
                 AMS_ASSERT(!node->IsLinked());
                 this->SplicePrev(node, node);
             }
 
-            void SplicePrev(IntrusiveListNode *first, IntrusiveListNode *last) {
+            ALWAYS_INLINE void SplicePrev(IntrusiveListNode *first, IntrusiveListNode *last) {
                 /* Splice a range into the list. */
                 auto last_prev = last->prev;
                 first->prev = this->prev;
@@ -57,13 +57,13 @@ namespace ams::util {
                 this->prev = last_prev;
             }
 
-            void LinkNext(IntrusiveListNode *node) {
+            ALWAYS_INLINE void LinkNext(IntrusiveListNode *node) {
                 /* We can't link an already linked node. */
                 AMS_ASSERT(!node->IsLinked());
                 return this->SpliceNext(node, node);
             }
 
-            void SpliceNext(IntrusiveListNode *first, IntrusiveListNode *last) {
+            ALWAYS_INLINE void SpliceNext(IntrusiveListNode *first, IntrusiveListNode *last) {
                 /* Splice a range into the list. */
                 auto last_prev = last->prev;
                 first->prev = this;
@@ -72,11 +72,11 @@ namespace ams::util {
                 this->next = first;
             }
 
-            void Unlink() {
+            ALWAYS_INLINE void Unlink() {
                 this->Unlink(this->next);
             }
 
-            void Unlink(IntrusiveListNode *last) {
+            ALWAYS_INLINE void Unlink(IntrusiveListNode *last) {
                 /* Unlink a node from a next node. */
                 auto last_prev = last->prev;
                 this->prev->next = last;
@@ -85,19 +85,19 @@ namespace ams::util {
                 this->prev = last_prev;
             }
 
-            IntrusiveListNode *GetPrev() {
+            ALWAYS_INLINE IntrusiveListNode *GetPrev() {
                 return this->prev;
             }
 
-            const IntrusiveListNode *GetPrev() const {
+            ALWAYS_INLINE const IntrusiveListNode *GetPrev() const {
                 return this->prev;
             }
 
-            IntrusiveListNode *GetNext() {
+            ALWAYS_INLINE IntrusiveListNode *GetNext() {
                 return this->next;
             }
 
-            const IntrusiveListNode *GetNext() const {
+            ALWAYS_INLINE const IntrusiveListNode *GetNext() const {
                 return this->next;
             }
     };
@@ -136,149 +136,149 @@ namespace ams::util {
                     private:
                         pointer node;
                     public:
-                        explicit Iterator(pointer n) : node(n) { /* ... */ }
+                        ALWAYS_INLINE explicit Iterator(pointer n) : node(n) { /* ... */ }
 
-                        bool operator==(const Iterator &rhs) const {
+                        ALWAYS_INLINE bool operator==(const Iterator &rhs) const {
                             return this->node == rhs.node;
                         }
 
-                        bool operator!=(const Iterator &rhs) const {
+                        ALWAYS_INLINE bool operator!=(const Iterator &rhs) const {
                             return !(*this == rhs);
                         }
 
-                        pointer operator->() const {
+                        ALWAYS_INLINE pointer operator->() const {
                             return this->node;
                         }
 
-                        reference operator*() const {
+                        ALWAYS_INLINE reference operator*() const {
                             return *this->node;
                         }
 
-                        Iterator &operator++() {
+                        ALWAYS_INLINE Iterator &operator++() {
                             this->node = this->node->next;
                             return *this;
                         }
 
-                        Iterator &operator--() {
+                        ALWAYS_INLINE Iterator &operator--() {
                             this->node = this->node->prev;
                             return *this;
                         }
 
-                        Iterator operator++(int) {
+                        ALWAYS_INLINE Iterator operator++(int) {
                             const Iterator it{*this};
                             ++(*this);
                             return it;
                         }
 
-                        Iterator operator--(int) {
+                        ALWAYS_INLINE Iterator operator--(int) {
                             const Iterator it{*this};
                             --(*this);
                             return it;
                         }
 
-                        operator Iterator<true>() const {
+                        ALWAYS_INLINE operator Iterator<true>() const {
                             return Iterator<true>(this->node);
                         }
 
-                        Iterator<false> GetNonConstIterator() const {
+                        ALWAYS_INLINE Iterator<false> GetNonConstIterator() const {
                             return Iterator<false>(const_cast<IntrusiveListImpl::pointer>(this->node));
                         }
                 };
             public:
-                constexpr IntrusiveListImpl() : root_node() { /* ... */ }
+                constexpr ALWAYS_INLINE IntrusiveListImpl() : root_node() { /* ... */ }
 
                 /* Iterator accessors. */
-                iterator begin() {
+                ALWAYS_INLINE iterator begin() {
                     return iterator(this->root_node.GetNext());
                 }
 
-                const_iterator begin() const {
+                ALWAYS_INLINE const_iterator begin() const {
                     return const_iterator(this->root_node.GetNext());
                 }
 
-                iterator end() {
+                ALWAYS_INLINE iterator end() {
                     return iterator(&this->root_node);
                 }
 
-                const_iterator end() const {
+                ALWAYS_INLINE const_iterator end() const {
                     return const_iterator(&this->root_node);
                 }
 
-                iterator iterator_to(reference v) {
+                ALWAYS_INLINE iterator iterator_to(reference v) {
                     /* Only allow iterator_to for values in lists. */
                     AMS_ASSERT(v.IsLinked());
                     return iterator(&v);
                 }
 
-                const_iterator iterator_to(const_reference v) const {
+                ALWAYS_INLINE const_iterator iterator_to(const_reference v) const {
                     /* Only allow iterator_to for values in lists. */
                     AMS_ASSERT(v.IsLinked());
                     return const_iterator(&v);
                 }
 
                 /* Content management. */
-                bool empty() const {
+                ALWAYS_INLINE bool empty() const {
                     return !this->root_node.IsLinked();
                 }
 
-                size_type size() const {
+                ALWAYS_INLINE size_type size() const {
                     return static_cast<size_type>(std::distance(this->begin(), this->end()));
                 }
 
-                reference back() {
+                ALWAYS_INLINE reference back() {
                     return *this->root_node.GetPrev();
                 }
 
-                const_reference back() const {
+                ALWAYS_INLINE const_reference back() const {
                     return *this->root_node.GetPrev();
                 }
 
-                reference front() {
+                ALWAYS_INLINE reference front() {
                     return *this->root_node.GetNext();
                 }
 
-                const_reference front() const {
+                ALWAYS_INLINE const_reference front() const {
                     return *this->root_node.GetNext();
                 }
 
-                void push_back(reference node) {
+                ALWAYS_INLINE void push_back(reference node) {
                     this->root_node.LinkPrev(&node);
                 }
 
-                void push_front(reference node) {
+                ALWAYS_INLINE void push_front(reference node) {
                     this->root_node.LinkNext(&node);
                 }
 
-                void pop_back() {
+                ALWAYS_INLINE void pop_back() {
                     this->root_node.GetPrev()->Unlink();
                 }
 
-                void pop_front() {
+                ALWAYS_INLINE void pop_front() {
                     this->root_node.GetNext()->Unlink();
                 }
 
-                iterator insert(const_iterator pos, reference node) {
+                ALWAYS_INLINE iterator insert(const_iterator pos, reference node) {
                     pos.GetNonConstIterator()->LinkPrev(&node);
                     return iterator(&node);
                 }
 
-                void splice(const_iterator pos, IntrusiveListImpl &o) {
+                ALWAYS_INLINE void splice(const_iterator pos, IntrusiveListImpl &o) {
                     splice_impl(pos, o.begin(), o.end());
                 }
 
-                void splice(const_iterator pos, IntrusiveListImpl &o, const_iterator first) {
+                ALWAYS_INLINE void splice(const_iterator pos, IntrusiveListImpl &o, const_iterator first) {
                     AMS_UNUSED(o);
                     const_iterator last(first);
                     std::advance(last, 1);
                     splice_impl(pos, first, last);
                 }
 
-                void splice(const_iterator pos, IntrusiveListImpl &o, const_iterator first, const_iterator last) {
+                ALWAYS_INLINE void splice(const_iterator pos, IntrusiveListImpl &o, const_iterator first, const_iterator last) {
                     AMS_UNUSED(o);
                     splice_impl(pos, first, last);
                 }
 
-                iterator erase(const_iterator pos) {
+                ALWAYS_INLINE iterator erase(const_iterator pos) {
                     if (pos == this->end()) {
                         return this->end();
                     }
@@ -287,13 +287,13 @@ namespace ams::util {
                     return it;
                 }
 
-                void clear() {
+                ALWAYS_INLINE void clear() {
                     while (!this->empty()) {
                         this->pop_front();
                     }
                 }
             private:
-                void splice_impl(const_iterator _pos, const_iterator _first, const_iterator _last) {
+                ALWAYS_INLINE void splice_impl(const_iterator _pos, const_iterator _first, const_iterator _last) {
                     if (_first == _last) {
                         return;
                     }
@@ -344,198 +344,198 @@ namespace ams::util {
                 private:
                     ImplIterator iterator;
                 private:
-                    explicit Iterator(ImplIterator it) : iterator(it) { /* ... */ }
+                    explicit ALWAYS_INLINE Iterator(ImplIterator it) : iterator(it) { /* ... */ }
 
-                    ImplIterator GetImplIterator() const {
+                    ALWAYS_INLINE ImplIterator GetImplIterator() const {
                         return this->iterator;
                     }
                 public:
-                    bool operator==(const Iterator &rhs) const {
+                    ALWAYS_INLINE bool operator==(const Iterator &rhs) const {
                         return this->iterator == rhs.iterator;
                     }
 
-                    bool operator!=(const Iterator &rhs) const {
+                    ALWAYS_INLINE bool operator!=(const Iterator &rhs) const {
                         return !(*this == rhs);
                     }
 
-                    pointer operator->() const {
+                    ALWAYS_INLINE pointer operator->() const {
                         return &Traits::GetParent(*this->iterator);
                     }
 
-                    reference operator*() const {
+                    ALWAYS_INLINE reference operator*() const {
                         return Traits::GetParent(*this->iterator);
                     }
 
-                    Iterator &operator++() {
+                    ALWAYS_INLINE Iterator &operator++() {
                         ++this->iterator;
                         return *this;
                     }
 
-                    Iterator &operator--() {
+                    ALWAYS_INLINE Iterator &operator--() {
                         --this->iterator;
                         return *this;
                     }
 
-                    Iterator operator++(int) {
+                    ALWAYS_INLINE Iterator operator++(int) {
                         const Iterator it{*this};
                         ++this->iterator;
                         return it;
                     }
 
-                    Iterator operator--(int) {
+                    ALWAYS_INLINE Iterator operator--(int) {
                         const Iterator it{*this};
                         --this->iterator;
                         return it;
                     }
 
-                    operator Iterator<true>() const {
+                    ALWAYS_INLINE operator Iterator<true>() const {
                         return Iterator<true>(this->iterator);
                     }
             };
         private:
-            static constexpr IntrusiveListNode &GetNode(reference ref) {
+            static constexpr ALWAYS_INLINE IntrusiveListNode &GetNode(reference ref) {
                 return Traits::GetNode(ref);
             }
 
-            static constexpr IntrusiveListNode const &GetNode(const_reference ref) {
+            static constexpr ALWAYS_INLINE IntrusiveListNode const &GetNode(const_reference ref) {
                 return Traits::GetNode(ref);
             }
 
-            static constexpr reference GetParent(IntrusiveListNode &node) {
+            static constexpr ALWAYS_INLINE reference GetParent(IntrusiveListNode &node) {
                 return Traits::GetParent(node);
             }
 
-            static constexpr const_reference GetParent(IntrusiveListNode const &node) {
+            static constexpr ALWAYS_INLINE const_reference GetParent(IntrusiveListNode const &node) {
                 return Traits::GetParent(node);
             }
         public:
-            constexpr IntrusiveList() : impl() { /* ... */ }
+            constexpr ALWAYS_INLINE IntrusiveList() : impl() { /* ... */ }
 
             /* Iterator accessors. */
-            iterator begin() {
+            ALWAYS_INLINE iterator begin() {
                 return iterator(this->impl.begin());
             }
 
-            const_iterator begin() const {
+            ALWAYS_INLINE const_iterator begin() const {
                 return const_iterator(this->impl.begin());
             }
 
-            iterator end() {
+            ALWAYS_INLINE iterator end() {
                 return iterator(this->impl.end());
             }
 
-            const_iterator end() const {
+            ALWAYS_INLINE const_iterator end() const {
                 return const_iterator(this->impl.end());
             }
 
-            const_iterator cbegin() const {
+            ALWAYS_INLINE const_iterator cbegin() const {
                 return this->begin();
             }
 
-            const_iterator cend() const {
+            ALWAYS_INLINE const_iterator cend() const {
                 return this->end();
             }
 
-            reverse_iterator rbegin() {
+            ALWAYS_INLINE reverse_iterator rbegin() {
                 return reverse_iterator(this->end());
             }
 
-            const_reverse_iterator rbegin() const {
+            ALWAYS_INLINE const_reverse_iterator rbegin() const {
                 return const_reverse_iterator(this->end());
             }
 
-            reverse_iterator rend() {
+            ALWAYS_INLINE reverse_iterator rend() {
                 return reverse_iterator(this->begin());
             }
 
-            const_reverse_iterator rend() const {
+            ALWAYS_INLINE const_reverse_iterator rend() const {
                 return const_reverse_iterator(this->begin());
             }
 
-            const_reverse_iterator crbegin() const {
+            ALWAYS_INLINE const_reverse_iterator crbegin() const {
                 return this->rbegin();
             }
 
-            const_reverse_iterator crend() const {
+            ALWAYS_INLINE const_reverse_iterator crend() const {
                 return this->rend();
             }
 
-            iterator iterator_to(reference v) {
+            ALWAYS_INLINE iterator iterator_to(reference v) {
                 return iterator(this->impl.iterator_to(GetNode(v)));
             }
 
-            const_iterator iterator_to(const_reference v) const {
+            ALWAYS_INLINE const_iterator iterator_to(const_reference v) const {
                 return const_iterator(this->impl.iterator_to(GetNode(v)));
             }
 
             /* Content management. */
-            bool empty() const {
+            ALWAYS_INLINE bool empty() const {
                 return this->impl.empty();
             }
 
-            size_type size() const {
+            ALWAYS_INLINE size_type size() const {
                 return this->impl.size();
             }
 
-            reference back() {
+            ALWAYS_INLINE reference back() {
                 AMS_ASSERT(!this->impl.empty());
                 return GetParent(this->impl.back());
             }
 
-            const_reference back() const {
+            ALWAYS_INLINE const_reference back() const {
                 AMS_ASSERT(!this->impl.empty());
                 return GetParent(this->impl.back());
             }
 
-            reference front() {
+            ALWAYS_INLINE reference front() {
                 AMS_ASSERT(!this->impl.empty());
                 return GetParent(this->impl.front());
             }
 
-            const_reference front() const {
+            ALWAYS_INLINE const_reference front() const {
                 AMS_ASSERT(!this->impl.empty());
                 return GetParent(this->impl.front());
             }
 
-            void push_back(reference ref) {
+            ALWAYS_INLINE void push_back(reference ref) {
                 this->impl.push_back(GetNode(ref));
             }
 
-            void push_front(reference ref) {
+            ALWAYS_INLINE void push_front(reference ref) {
                 this->impl.push_front(GetNode(ref));
             }
 
-            void pop_back() {
+            ALWAYS_INLINE void pop_back() {
                 AMS_ASSERT(!this->impl.empty());
                 this->impl.pop_back();
             }
 
-            void pop_front() {
+            ALWAYS_INLINE void pop_front() {
                 AMS_ASSERT(!this->impl.empty());
                 this->impl.pop_front();
             }
 
-            iterator insert(const_iterator pos, reference ref) {
+            ALWAYS_INLINE iterator insert(const_iterator pos, reference ref) {
                 return iterator(this->impl.insert(pos.GetImplIterator(), GetNode(ref)));
             }
 
-            void splice(const_iterator pos, IntrusiveList &o) {
+            ALWAYS_INLINE void splice(const_iterator pos, IntrusiveList &o) {
                 this->impl.splice(pos.GetImplIterator(), o.impl);
             }
 
-            void splice(const_iterator pos, IntrusiveList &o, const_iterator first) {
+            ALWAYS_INLINE void splice(const_iterator pos, IntrusiveList &o, const_iterator first) {
                 this->impl.splice(pos.GetImplIterator(), o.impl, first.GetImplIterator());
             }
 
-            void splice(const_iterator pos, IntrusiveList &o, const_iterator first, const_iterator last) {
+            ALWAYS_INLINE void splice(const_iterator pos, IntrusiveList &o, const_iterator first, const_iterator last) {
                 this->impl.splice(pos.GetImplIterator(), o.impl, first.GetImplIterator(), last.GetImplIterator());
             }
 
-            iterator erase(const_iterator pos) {
+            ALWAYS_INLINE iterator erase(const_iterator pos) {
                 return iterator(this->impl.erase(pos.GetImplIterator()));
             }
 
-            void clear() {
+            ALWAYS_INLINE void clear() {
                 this->impl.clear();
             }
     };
@@ -550,19 +550,19 @@ namespace ams::util {
         private:
             friend class IntrusiveList<Derived, IntrusiveListMemberTraits>;
 
-            static constexpr IntrusiveListNode &GetNode(Derived &parent) {
+            static constexpr ALWAYS_INLINE IntrusiveListNode &GetNode(Derived &parent) {
                 return parent.*Member;
             }
 
-            static constexpr IntrusiveListNode const &GetNode(Derived const &parent) {
+            static constexpr ALWAYS_INLINE IntrusiveListNode const &GetNode(Derived const &parent) {
                 return parent.*Member;
             }
 
-            static constexpr Derived &GetParent(IntrusiveListNode &node) {
+            static constexpr ALWAYS_INLINE Derived &GetParent(IntrusiveListNode &node) {
                 return util::GetParentReference<Member, Derived>(&node);
             }
 
-            static constexpr Derived const &GetParent(IntrusiveListNode const &node) {
+            static constexpr ALWAYS_INLINE Derived const &GetParent(IntrusiveListNode const &node) {
                 return util::GetParentReference<Member, Derived>(&node);
             }
         private:
@@ -585,19 +585,19 @@ namespace ams::util {
         private:
             friend class IntrusiveList<Derived, IntrusiveListMemberTraitsDeferredAssert>;
 
-            static constexpr IntrusiveListNode &GetNode(Derived &parent) {
+            static constexpr ALWAYS_INLINE IntrusiveListNode &GetNode(Derived &parent) {
                 return parent.*Member;
             }
 
-            static constexpr IntrusiveListNode const &GetNode(Derived const &parent) {
+            static constexpr ALWAYS_INLINE IntrusiveListNode const &GetNode(Derived const &parent) {
                 return parent.*Member;
             }
 
-            static constexpr Derived &GetParent(IntrusiveListNode &node) {
+            static constexpr ALWAYS_INLINE Derived &GetParent(IntrusiveListNode &node) {
                 return util::GetParentReference<Member, Derived>(&node);
             }
 
-            static constexpr Derived const &GetParent(IntrusiveListNode const &node) {
+            static constexpr ALWAYS_INLINE Derived const &GetParent(IntrusiveListNode const &node) {
                 return util::GetParentReference<Member, Derived>(&node);
             }
     };
@@ -612,19 +612,19 @@ namespace ams::util {
         private:
             friend class IntrusiveList<Derived, IntrusiveListBaseTraits>;
 
-            static constexpr IntrusiveListNode &GetNode(Derived &parent) {
+            static constexpr ALWAYS_INLINE IntrusiveListNode &GetNode(Derived &parent) {
                 return static_cast<IntrusiveListNode &>(parent);
             }
 
-            static constexpr IntrusiveListNode const &GetNode(Derived const &parent) {
+            static constexpr ALWAYS_INLINE IntrusiveListNode const &GetNode(Derived const &parent) {
                 return static_cast<const IntrusiveListNode &>(parent);
             }
 
-            static constexpr Derived &GetParent(IntrusiveListNode &node) {
+            static constexpr ALWAYS_INLINE Derived &GetParent(IntrusiveListNode &node) {
                 return static_cast<Derived &>(node);
             }
 
-            static constexpr Derived const &GetParent(IntrusiveListNode const &node) {
+            static constexpr ALWAYS_INLINE Derived const &GetParent(IntrusiveListNode const &node) {
                 return static_cast<const Derived &>(node);
             }
     };
diff --git a/libraries/libvapours/include/vapours/util/util_intrusive_red_black_tree.hpp b/libraries/libvapours/include/vapours/util/util_intrusive_red_black_tree.hpp
index 3a6d61459..77ef18ee0 100644
--- a/libraries/libvapours/include/vapours/util/util_intrusive_red_black_tree.hpp
+++ b/libraries/libvapours/include/vapours/util/util_intrusive_red_black_tree.hpp
@@ -84,45 +84,45 @@ namespace ams::util {
                     public:
                         explicit Iterator(pointer n) : node(n) { /* ... */ }
 
-                        bool operator==(const Iterator &rhs) const {
+                        ALWAYS_INLINE bool operator==(const Iterator &rhs) const {
                             return this->node == rhs.node;
                         }
 
-                        bool operator!=(const Iterator &rhs) const {
+                        ALWAYS_INLINE bool operator!=(const Iterator &rhs) const {
                             return !(*this == rhs);
                         }
 
-                        pointer operator->() const {
+                        ALWAYS_INLINE pointer operator->() const {
                             return this->node;
                         }
 
-                        reference operator*() const {
+                        ALWAYS_INLINE reference operator*() const {
                             return *this->node;
                         }
 
-                        Iterator &operator++() {
+                        ALWAYS_INLINE Iterator &operator++() {
                             this->node = GetNext(this->node);
                             return *this;
                         }
 
-                        Iterator &operator--() {
+                        ALWAYS_INLINE Iterator &operator--() {
                             this->node = GetPrev(this->node);
                             return *this;
                         }
 
-                        Iterator operator++(int) {
+                        ALWAYS_INLINE Iterator operator++(int) {
                             const Iterator it{*this};
                             ++(*this);
                             return it;
                         }
 
-                        Iterator operator--(int) {
+                        ALWAYS_INLINE Iterator operator--(int) {
                             const Iterator it{*this};
                             --(*this);
                             return it;
                         }
 
-                        operator Iterator<true>() const {
+                        ALWAYS_INLINE operator Iterator<true>() const {
                             return Iterator<true>(this->node);
                         }
                 };
@@ -135,27 +135,27 @@ namespace ams::util {
                     RB_INIT(&this->root);
                 }
 
-                bool EmptyImpl() const {
+                ALWAYS_INLINE bool EmptyImpl() const {
                     return RB_EMPTY(&this->root);
                 }
 
-                IntrusiveRedBlackTreeNode *GetMinImpl() const {
+                ALWAYS_INLINE IntrusiveRedBlackTreeNode *GetMinImpl() const {
                     return RB_MIN(IntrusiveRedBlackTreeRoot, const_cast<IntrusiveRedBlackTreeRoot *>(&this->root));
                 }
 
-                IntrusiveRedBlackTreeNode *GetMaxImpl() const {
+                ALWAYS_INLINE IntrusiveRedBlackTreeNode *GetMaxImpl() const {
                     return RB_MAX(IntrusiveRedBlackTreeRoot, const_cast<IntrusiveRedBlackTreeRoot *>(&this->root));
                 }
 
-                IntrusiveRedBlackTreeNode *RemoveImpl(IntrusiveRedBlackTreeNode *node) {
+                ALWAYS_INLINE IntrusiveRedBlackTreeNode *RemoveImpl(IntrusiveRedBlackTreeNode *node) {
                     return RB_REMOVE(IntrusiveRedBlackTreeRoot, &this->root, node);
                 }
             public:
-                static IntrusiveRedBlackTreeNode *GetNext(IntrusiveRedBlackTreeNode *node) {
+                static ALWAYS_INLINE IntrusiveRedBlackTreeNode *GetNext(IntrusiveRedBlackTreeNode *node) {
                     return RB_NEXT(IntrusiveRedBlackTreeRoot, nullptr, node);
                 }
 
-                static IntrusiveRedBlackTreeNode *GetPrev(IntrusiveRedBlackTreeNode *node) {
+                static ALWAYS_INLINE IntrusiveRedBlackTreeNode *GetPrev(IntrusiveRedBlackTreeNode *node) {
                     return RB_PREV(IntrusiveRedBlackTreeRoot, nullptr, node);
                 }
 
@@ -167,65 +167,65 @@ namespace ams::util {
                     return static_cast<const IntrusiveRedBlackTreeNode *>(GetPrev(const_cast<IntrusiveRedBlackTreeNode *>(node)));
                 }
             public:
-                constexpr IntrusiveRedBlackTreeImpl() : root() {
+                ALWAYS_INLINE constexpr IntrusiveRedBlackTreeImpl() : root() {
                     this->InitializeImpl();
                 }
 
                 /* Iterator accessors. */
-                iterator begin() {
+                ALWAYS_INLINE iterator begin() {
                     return iterator(this->GetMinImpl());
                 }
 
-                const_iterator begin() const {
+                ALWAYS_INLINE const_iterator begin() const {
                     return const_iterator(this->GetMinImpl());
                 }
 
-                iterator end() {
+                ALWAYS_INLINE iterator end() {
                     return iterator(static_cast<IntrusiveRedBlackTreeNode *>(nullptr));
                 }
 
-                const_iterator end() const {
+                ALWAYS_INLINE const_iterator end() const {
                     return const_iterator(static_cast<const IntrusiveRedBlackTreeNode *>(nullptr));
                 }
 
-                const_iterator cbegin() const {
+                ALWAYS_INLINE const_iterator cbegin() const {
                     return this->begin();
                 }
 
-                const_iterator cend() const {
+                ALWAYS_INLINE const_iterator cend() const {
                     return this->end();
                 }
 
-                iterator iterator_to(reference ref) {
+                ALWAYS_INLINE iterator iterator_to(reference ref) {
                     return iterator(&ref);
                 }
 
-                const_iterator iterator_to(const_reference ref) const {
+                ALWAYS_INLINE const_iterator iterator_to(const_reference ref) const {
                     return const_iterator(&ref);
                 }
 
                 /* Content management. */
-                bool empty() const {
+                ALWAYS_INLINE bool empty() const {
                     return this->EmptyImpl();
                 }
 
-                reference back() {
+                ALWAYS_INLINE reference back() {
                     return *this->GetMaxImpl();
                 }
 
-                const_reference back() const {
+                ALWAYS_INLINE const_reference back() const {
                     return *this->GetMaxImpl();
                 }
 
-                reference front() {
+                ALWAYS_INLINE reference front() {
                     return *this->GetMinImpl();
                 }
 
-                const_reference front() const {
+                ALWAYS_INLINE const_reference front() const {
                     return *this->GetMinImpl();
                 }
 
-                iterator erase(iterator it) {
+                ALWAYS_INLINE iterator erase(iterator it) {
                     auto cur  = std::addressof(*it);
                     auto next = GetNext(cur);
                     this->RemoveImpl(cur);
@@ -306,45 +306,45 @@ namespace ams::util {
                         return this->iterator;
                     }
                 public:
-                    bool operator==(const Iterator &rhs) const {
+                    ALWAYS_INLINE bool operator==(const Iterator &rhs) const {
                         return this->iterator == rhs.iterator;
                     }
 
-                    bool operator!=(const Iterator &rhs) const {
+                    ALWAYS_INLINE bool operator!=(const Iterator &rhs) const {
                         return !(*this == rhs);
                     }
 
-                    pointer operator->() const {
+                    ALWAYS_INLINE pointer operator->() const {
                         return Traits::GetParent(std::addressof(*this->iterator));
                     }
 
-                    reference operator*() const {
+                    ALWAYS_INLINE reference operator*() const {
                         return *Traits::GetParent(std::addressof(*this->iterator));
                     }
 
-                    Iterator &operator++() {
+                    ALWAYS_INLINE Iterator &operator++() {
                         ++this->iterator;
                         return *this;
                     }
 
-                    Iterator &operator--() {
+                    ALWAYS_INLINE Iterator &operator--() {
                         --this->iterator;
                         return *this;
                     }
 
-                    Iterator operator++(int) {
+                    ALWAYS_INLINE Iterator operator++(int) {
                         const Iterator it{*this};
                         ++this->iterator;
                         return it;
                     }
 
-                    Iterator operator--(int) {
+                    ALWAYS_INLINE Iterator operator--(int) {
                         const Iterator it{*this};
                         --this->iterator;
                         return it;
                     }
 
-                    operator Iterator<true>() const {
+                    ALWAYS_INLINE operator Iterator<true>() const {
                         return Iterator<true>(this->iterator);
                     }
             };
@@ -361,105 +361,105 @@ namespace ams::util {
             }
 
             /* Define accessors using RB_* functions. */
-            IntrusiveRedBlackTreeNode *InsertImpl(IntrusiveRedBlackTreeNode *node) {
+            ALWAYS_INLINE IntrusiveRedBlackTreeNode *InsertImpl(IntrusiveRedBlackTreeNode *node) {
                 return RB_INSERT(IntrusiveRedBlackTreeRootWithCompare, static_cast<IntrusiveRedBlackTreeRootWithCompare *>(&this->impl.root), node);
             }
 
-            IntrusiveRedBlackTreeNode *FindImpl(IntrusiveRedBlackTreeNode const *node) const {
+            ALWAYS_INLINE IntrusiveRedBlackTreeNode *FindImpl(IntrusiveRedBlackTreeNode const *node) const {
                 return RB_FIND(IntrusiveRedBlackTreeRootWithCompare, const_cast<IntrusiveRedBlackTreeRootWithCompare *>(static_cast<const IntrusiveRedBlackTreeRootWithCompare *>(&this->impl.root)), const_cast<IntrusiveRedBlackTreeNode *>(node));
             }
 
-            IntrusiveRedBlackTreeNode *NFindImpl(IntrusiveRedBlackTreeNode const *node) const {
+            ALWAYS_INLINE IntrusiveRedBlackTreeNode *NFindImpl(IntrusiveRedBlackTreeNode const *node) const {
                 return RB_NFIND(IntrusiveRedBlackTreeRootWithCompare, const_cast<IntrusiveRedBlackTreeRootWithCompare *>(static_cast<const IntrusiveRedBlackTreeRootWithCompare *>(&this->impl.root)), const_cast<IntrusiveRedBlackTreeNode *>(node));
             }
 
-            IntrusiveRedBlackTreeNode *FindLightImpl(const_light_pointer lelm) const {
+            ALWAYS_INLINE IntrusiveRedBlackTreeNode *FindLightImpl(const_light_pointer lelm) const {
                 return RB_FIND_LIGHT(IntrusiveRedBlackTreeRootWithCompare, const_cast<IntrusiveRedBlackTreeRootWithCompare *>(static_cast<const IntrusiveRedBlackTreeRootWithCompare *>(&this->impl.root)), static_cast<const void *>(lelm));
             }
 
-            IntrusiveRedBlackTreeNode *NFindLightImpl(const_light_pointer lelm) const {
+            ALWAYS_INLINE IntrusiveRedBlackTreeNode *NFindLightImpl(const_light_pointer lelm) const {
                 return RB_NFIND_LIGHT(IntrusiveRedBlackTreeRootWithCompare, const_cast<IntrusiveRedBlackTreeRootWithCompare *>(static_cast<const IntrusiveRedBlackTreeRootWithCompare *>(&this->impl.root)), static_cast<const void *>(lelm));
             }
         public:
             constexpr ALWAYS_INLINE IntrusiveRedBlackTree() : impl() { /* ... */ }
 
             /* Iterator accessors. */
-            iterator begin() {
+            ALWAYS_INLINE iterator begin() {
                 return iterator(this->impl.begin());
             }
 
-            const_iterator begin() const {
+            ALWAYS_INLINE const_iterator begin() const {
                 return const_iterator(this->impl.begin());
             }
 
-            iterator end() {
+            ALWAYS_INLINE iterator end() {
                 return iterator(this->impl.end());
             }
 
-            const_iterator end() const {
+            ALWAYS_INLINE const_iterator end() const {
                 return const_iterator(this->impl.end());
             }
 
-            const_iterator cbegin() const {
+            ALWAYS_INLINE const_iterator cbegin() const {
                 return this->begin();
             }
 
-            const_iterator cend() const {
+            ALWAYS_INLINE const_iterator cend() const {
                 return this->end();
             }
 
-            iterator iterator_to(reference ref) {
+            ALWAYS_INLINE iterator iterator_to(reference ref) {
                 return iterator(this->impl.iterator_to(*Traits::GetNode(std::addressof(ref))));
             }
 
-            const_iterator iterator_to(const_reference ref) const {
+            ALWAYS_INLINE const_iterator iterator_to(const_reference ref) const {
                 return const_iterator(this->impl.iterator_to(*Traits::GetNode(std::addressof(ref))));
             }
 
             /* Content management. */
-            bool empty() const {
+            ALWAYS_INLINE bool empty() const {
                 return this->impl.empty();
             }
 
-            reference back() {
+            ALWAYS_INLINE reference back() {
                 return *Traits::GetParent(std::addressof(this->impl.back()));
             }
 
-            const_reference back() const {
+            ALWAYS_INLINE const_reference back() const {
                 return *Traits::GetParent(std::addressof(this->impl.back()));
             }
 
-            reference front() {
+            ALWAYS_INLINE reference front() {
                 return *Traits::GetParent(std::addressof(this->impl.front()));
             }
 
-            const_reference front() const {
+            ALWAYS_INLINE const_reference front() const {
                 return *Traits::GetParent(std::addressof(this->impl.front()));
             }
 
-            iterator erase(iterator it) {
+            ALWAYS_INLINE iterator erase(iterator it) {
                 return iterator(this->impl.erase(it.GetImplIterator()));
             }
 
-            iterator insert(reference ref) {
+            ALWAYS_INLINE iterator insert(reference ref) {
                 ImplType::pointer node = Traits::GetNode(std::addressof(ref));
                 this->InsertImpl(node);
                 return iterator(node);
             }
 
-            iterator find(const_reference ref) const {
+            ALWAYS_INLINE iterator find(const_reference ref) const {
                 return iterator(this->FindImpl(Traits::GetNode(std::addressof(ref))));
             }
 
-            iterator nfind(const_reference ref) const {
+            ALWAYS_INLINE iterator nfind(const_reference ref) const {
                 return iterator(this->NFindImpl(Traits::GetNode(std::addressof(ref))));
             }
 
-            iterator find_light(const_light_reference ref) const {
+            ALWAYS_INLINE iterator find_light(const_light_reference ref) const {
                 return iterator(this->FindLightImpl(std::addressof(ref)));
             }
 
-            iterator nfind_light(const_light_reference ref) const {
+            ALWAYS_INLINE iterator nfind_light(const_light_reference ref) const {
                 return iterator(this->NFindLightImpl(std::addressof(ref)));
             }
     };
@@ -479,19 +479,19 @@ namespace ams::util {
 
             friend class impl::IntrusiveRedBlackTreeImpl;
 
-            static constexpr IntrusiveRedBlackTreeNode *GetNode(Derived *parent) {
+            static constexpr ALWAYS_INLINE IntrusiveRedBlackTreeNode *GetNode(Derived *parent) {
                 return std::addressof(parent->*Member);
             }
 
-            static constexpr IntrusiveRedBlackTreeNode const *GetNode(Derived const *parent) {
+            static constexpr ALWAYS_INLINE IntrusiveRedBlackTreeNode const *GetNode(Derived const *parent) {
                 return std::addressof(parent->*Member);
             }
 
-            static constexpr Derived *GetParent(IntrusiveRedBlackTreeNode *node) {
+            static constexpr ALWAYS_INLINE Derived *GetParent(IntrusiveRedBlackTreeNode *node) {
                 return util::GetParentPointer<Member, Derived>(node);
             }
 
-            static constexpr Derived const *GetParent(IntrusiveRedBlackTreeNode const *node) {
+            static constexpr ALWAYS_INLINE Derived const *GetParent(IntrusiveRedBlackTreeNode const *node) {
                 return util::GetParentPointer<Member, Derived>(node);
             }
         private:
@@ -519,19 +519,19 @@ namespace ams::util {
 
             friend class impl::IntrusiveRedBlackTreeImpl;
 
-            static constexpr IntrusiveRedBlackTreeNode *GetNode(Derived *parent) {
+            static constexpr ALWAYS_INLINE IntrusiveRedBlackTreeNode *GetNode(Derived *parent) {
                 return std::addressof(parent->*Member);
             }
 
-            static constexpr IntrusiveRedBlackTreeNode const *GetNode(Derived const *parent) {
+            static constexpr ALWAYS_INLINE IntrusiveRedBlackTreeNode const *GetNode(Derived const *parent) {
                 return std::addressof(parent->*Member);
             }
 
-            static constexpr Derived *GetParent(IntrusiveRedBlackTreeNode *node) {
+            static constexpr ALWAYS_INLINE Derived *GetParent(IntrusiveRedBlackTreeNode *node) {
                 return util::GetParentPointer<Member, Derived>(node);
             }
 
-            static constexpr Derived const *GetParent(IntrusiveRedBlackTreeNode const *node) {
+            static constexpr ALWAYS_INLINE Derived const *GetParent(IntrusiveRedBlackTreeNode const *node) {
                 return util::GetParentPointer<Member, Derived>(node);
             }
     };
@@ -558,19 +558,19 @@ namespace ams::util {
 
             friend class impl::IntrusiveRedBlackTreeImpl;
 
-            static constexpr IntrusiveRedBlackTreeNode *GetNode(Derived *parent) {
+            static constexpr ALWAYS_INLINE IntrusiveRedBlackTreeNode *GetNode(Derived *parent) {
                 return static_cast<IntrusiveRedBlackTreeNode *>(parent);
             }
 
-            static constexpr IntrusiveRedBlackTreeNode const *GetNode(Derived const *parent) {
+            static constexpr ALWAYS_INLINE IntrusiveRedBlackTreeNode const *GetNode(Derived const *parent) {
                 return static_cast<const IntrusiveRedBlackTreeNode *>(parent);
             }
 
-            static constexpr Derived *GetParent(IntrusiveRedBlackTreeNode *node) {
+            static constexpr ALWAYS_INLINE Derived *GetParent(IntrusiveRedBlackTreeNode *node) {
                 return static_cast<Derived *>(node);
             }
 
-            static constexpr Derived const *GetParent(IntrusiveRedBlackTreeNode const *node) {
+            static constexpr ALWAYS_INLINE Derived const *GetParent(IntrusiveRedBlackTreeNode const *node) {
                 return static_cast<const Derived *>(node);
             }
     };