add 3rd party/custom patches

3rd patchs (in alphabetical order):
- bbr3
- ntsync5
- openwrt
- pf-kernel
- xanmod
- zen

no configuration changes for now

debian/patches/patchset-xanmod/clearlinux/0001-sched-wait-Do-accept-in-LIFO-order-for-cache-efficie.patch

@@ -0,0 +1,82 @@
+From 1e2892b83e6c4062623f9aec06eba27884d47059 Mon Sep 17 00:00:00 2001
+From: Arjan van de Ven <arjan@linux.intel.com>
+Date: Thu, 13 Dec 2018 01:00:49 +0000
+Subject: [PATCH 1/4] sched/wait: Do accept() in LIFO order for cache
+ efficiency
+
+Signed-off-by: Alexandre Frade <kernel@xanmod.org>
+---
+ include/linux/wait.h            |  2 ++
+ kernel/sched/wait.c             | 24 ++++++++++++++++++++++++
+ net/ipv4/inet_connection_sock.c |  2 +-
+ 3 files changed, 27 insertions(+), 1 deletion(-)
+
+--- a/include/linux/wait.h
++++ b/include/linux/wait.h
+@@ -163,6 +163,7 @@ static inline bool wq_has_sleeper(struct
+ 
+ extern void add_wait_queue(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry);
+ extern void add_wait_queue_exclusive(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry);
++extern void add_wait_queue_exclusive_lifo(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry);
+ extern void add_wait_queue_priority(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry);
+ extern void remove_wait_queue(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry);
+ 
+@@ -1191,6 +1192,7 @@ do {										\
+  */
+ void prepare_to_wait(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int state);
+ bool prepare_to_wait_exclusive(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int state);
++void prepare_to_wait_exclusive_lifo(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int state);
+ long prepare_to_wait_event(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int state);
+ void finish_wait(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry);
+ long wait_woken(struct wait_queue_entry *wq_entry, unsigned mode, long timeout);
+--- a/kernel/sched/wait.c
++++ b/kernel/sched/wait.c
+@@ -47,6 +47,17 @@ void add_wait_queue_priority(struct wait
+ }
+ EXPORT_SYMBOL_GPL(add_wait_queue_priority);
+ 
++void add_wait_queue_exclusive_lifo(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry)
++{
++	unsigned long flags;
++
++	wq_entry->flags |= WQ_FLAG_EXCLUSIVE;
++	spin_lock_irqsave(&wq_head->lock, flags);
++	__add_wait_queue(wq_head, wq_entry);
++	spin_unlock_irqrestore(&wq_head->lock, flags);
++}
++EXPORT_SYMBOL(add_wait_queue_exclusive_lifo);
++
+ void remove_wait_queue(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry)
+ {
+ 	unsigned long flags;
+@@ -259,6 +270,19 @@ prepare_to_wait_exclusive(struct wait_qu
+ }
+ EXPORT_SYMBOL(prepare_to_wait_exclusive);
+ 
++void prepare_to_wait_exclusive_lifo(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int state)
++{
++	unsigned long flags;
++
++	wq_entry->flags |= WQ_FLAG_EXCLUSIVE;
++	spin_lock_irqsave(&wq_head->lock, flags);
++	if (list_empty(&wq_entry->entry))
++		__add_wait_queue(wq_head, wq_entry);
++	set_current_state(state);
++	spin_unlock_irqrestore(&wq_head->lock, flags);
++}
++EXPORT_SYMBOL(prepare_to_wait_exclusive_lifo);
++
+ void init_wait_entry(struct wait_queue_entry *wq_entry, int flags)
+ {
+ 	wq_entry->flags = flags;
+--- a/net/ipv4/inet_connection_sock.c
++++ b/net/ipv4/inet_connection_sock.c
+@@ -634,7 +634,7 @@ static int inet_csk_wait_for_connect(str
+ 	 * having to remove and re-insert us on the wait queue.
+ 	 */
+ 	for (;;) {
+-		prepare_to_wait_exclusive(sk_sleep(sk), &wait,
++		prepare_to_wait_exclusive_lifo(sk_sleep(sk), &wait,
+ 					  TASK_INTERRUPTIBLE);
+ 		release_sock(sk);
+ 		if (reqsk_queue_empty(&icsk->icsk_accept_queue))

debian/patches/patchset-xanmod/clearlinux/0002-firmware-Enable-stateless-firmware-loading.patch

@@ -0,0 +1,25 @@
+From 52caaf4af0242cc3ac1ddaf9791c4c08a4b7226d Mon Sep 17 00:00:00 2001
+From: William Douglas <william.douglas@intel.com>
+Date: Wed, 20 Jun 2018 17:23:21 +0000
+Subject: [PATCH 2/4] firmware: Enable stateless firmware loading
+
+Prefer the order of specific version before generic and /etc before
+/lib to enable the user to give specific overrides for generic
+firmware and distribution firmware.
+
+Signed-off-by: Alexandre Frade <kernel@xanmod.org>
+---
+ drivers/base/firmware_loader/main.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/drivers/base/firmware_loader/main.c
++++ b/drivers/base/firmware_loader/main.c
+@@ -471,6 +471,8 @@ static int fw_decompress_xz(struct devic
+ static char fw_path_para[256];
+ static const char * const fw_path[] = {
+ 	fw_path_para,
++	"/etc/firmware/" UTS_RELEASE,
++	"/etc/firmware",
+ 	"/lib/firmware/updates/" UTS_RELEASE,
+ 	"/lib/firmware/updates",
+ 	"/lib/firmware/" UTS_RELEASE,

debian/patches/patchset-xanmod/clearlinux/0003-locking-rwsem-spin-faster.patch

@@ -0,0 +1,32 @@
+From f57e26428b29ddcdf58b35659002293bde1bf281 Mon Sep 17 00:00:00 2001
+From: Arjan van de Ven <arjan@linux.intel.com>
+Date: Sun, 18 Feb 2018 23:35:41 +0000
+Subject: [PATCH 3/4] locking: rwsem: spin faster
+
+tweak rwsem owner spinning a bit
+
+Signed-off-by: Alexandre Frade <kernel@xanmod.org>
+---
+ kernel/locking/rwsem.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+--- a/kernel/locking/rwsem.c
++++ b/kernel/locking/rwsem.c
+@@ -749,6 +749,7 @@ rwsem_spin_on_owner(struct rw_semaphore
+ 	struct task_struct *new, *owner;
+ 	unsigned long flags, new_flags;
+ 	enum owner_state state;
++	int i = 0;
+ 
+ 	lockdep_assert_preemption_disabled();
+ 
+@@ -785,7 +786,8 @@ rwsem_spin_on_owner(struct rw_semaphore
+ 			break;
+ 		}
+ 
+-		cpu_relax();
++		if (i++ > 1000)
++			cpu_relax();
+ 	}
+ 
+ 	return state;