linux (RPi): update to 4.14.67

drop softirq patches, Linus' patch is upstream since 4.14.63

Signed-off-by: Matthias Reichl <hias@horus.com>

packages/linux/package.mk

@@ -41,8 +41,8 @@ case "$LINUX" in
     PKG_SOURCE_NAME="linux-$LINUX-$PKG_VERSION.tar.gz"
     ;;
   raspberrypi)
-    PKG_VERSION="1f89ad77bf9b204c18fb6fdd167b4ee92d064f95" # 4.14.62
+    PKG_VERSION="0f937c8dc3201ebffa6c617c616fd7c65db65959" # 4.14.67
-    PKG_SHA256="153deef35bf1895fb0825395c0f9fb61832dcf0131987fce99449beb17afa173"
+    PKG_SHA256="2d839aebdeebda096a40180378605ad196c98bf8bf997e55fb831ca8b331bf39"
     PKG_URL="https://github.com/raspberrypi/linux/archive/$PKG_VERSION.tar.gz"
     PKG_SOURCE_NAME="linux-$LINUX-$PKG_VERSION.tar.gz"
     ;;

packages/linux/patches/raspberrypi/linux-999-01-0001-revert-revert-softirqd-let-ksoftirqd-do-its-job.patch

@@ -1,54 +0,0 @@
-From 907b5fbeaac54c4313132c0918c3090e967b80d4 Mon Sep 17 00:00:00 2001
-From: MilhouseVH <milhouseVH.github@nmacleod.com>
-Date: Wed, 7 Mar 2018 23:46:21 +0000
-Subject: [PATCH] Revert "Revert "softirq: Let ksoftirqd do its job""
-
-This reverts commit 0d118e31780349beb5ffa1777fd77058cc464ad6.
----
- kernel/softirq.c | 16 +++++++++++++++-
- 1 file changed, 15 insertions(+), 1 deletion(-)
-
-diff --git a/kernel/softirq.c b/kernel/softirq.c
-index 3f3fbc2..e89c3b0 100644
---- a/kernel/softirq.c
-+++ b/kernel/softirq.c
-@@ -77,6 +77,17 @@ static void wakeup_softirqd(void)
- 		wake_up_process(tsk);
- }
- 
-+/*
-+ * If ksoftirqd is scheduled, we do not want to process pending softirqs
-+ * right now. Let ksoftirqd handle this at its own rate, to get fairness.
-+ */
-+static bool ksoftirqd_running(void)
-+{
-+	struct task_struct *tsk = __this_cpu_read(ksoftirqd);
-+
-+	return tsk && (tsk->state == TASK_RUNNING);
-+}
-+
- /*
-  * preempt_count and SOFTIRQ_OFFSET usage:
-  * - preempt_count is changed by SOFTIRQ_OFFSET on entering or leaving
-@@ -313,7 +324,7 @@ asmlinkage __visible void do_softirq(void)
- 
- 	pending = local_softirq_pending();
- 
--	if (pending)
-+	if (pending && !ksoftirqd_running())
- 		do_softirq_own_stack();
- 
- 	local_irq_restore(flags);
-@@ -340,6 +351,9 @@ void irq_enter(void)
- 
- static inline void invoke_softirq(void)
- {
-+	if (ksoftirqd_running())
-+		return;
-+
- 	if (!force_irqthreads) {
- #ifdef CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK
- 		/*
--- 
-2.14.1
-

packages/linux/patches/raspberrypi/linux-999-01-0002-use-linus-commit-to-fix-ksoftirqd-issues.patch

@@ -1,53 +0,0 @@
-From 5839d34af2063552f83865fd5ebac651688087f9 Mon Sep 17 00:00:00 2001
-From: MilhouseVH <milhouseVH.github@nmacleod.com>
-Date: Thu, 1 Feb 2018 09:25:19 +0000
-Subject: [PATCH] Fix issues introduced by ksoftirqd change
-
----
- kernel/softirq.c | 12 ++++++++----
- 1 file changed, 8 insertions(+), 4 deletions(-)
-
-diff --git a/kernel/softirq.c b/kernel/softirq.c
-index 4e09821..d6772be 100644
---- a/kernel/softirq.c
-+++ b/kernel/softirq.c
-@@ -79,12 +79,16 @@ static void wakeup_softirqd(void)
- 
- /*
-  * If ksoftirqd is scheduled, we do not want to process pending softirqs
-- * right now. Let ksoftirqd handle this at its own rate, to get fairness.
-+ * right now. Let ksoftirqd handle this at its own rate, to get fairness,
-+ * unless we're doing some of the synchronous softirqs.
-  */
--static bool ksoftirqd_running(void)
-+#define SOFTIRQ_NOW_MASK ((1 << HI_SOFTIRQ) | (1 << TASKLET_SOFTIRQ))
-+static bool ksoftirqd_running(unsigned long pending)
- {
- 	struct task_struct *tsk = __this_cpu_read(ksoftirqd);
- 
-+	if (pending & SOFTIRQ_NOW_MASK)
-+		return false;
- 	return tsk && (tsk->state == TASK_RUNNING);
- }
- 
-@@ -324,7 +328,7 @@ asmlinkage __visible void do_softirq(void)
- 
- 	pending = local_softirq_pending();
- 
--	if (pending && !ksoftirqd_running())
-+	if (pending && !ksoftirqd_running(pending))
- 		do_softirq_own_stack();
- 
- 	local_irq_restore(flags);
-@@ -351,7 +355,7 @@ void irq_enter(void)
- 
- static inline void invoke_softirq(void)
- {
--	if (ksoftirqd_running())
-+	if (ksoftirqd_running(local_softirq_pending()))
- 		return;
- 
- 	if (!force_irqthreads) {
--- 
-2.14.1
-