Remove failed RPI patch

root/target/linux/brcm2708/patches-4.14/0178-Revert-softirq-Let-ksoftirqd-do-its-job.patch

@@ -1,54 +0,0 @@
-From 0d118e31780349beb5ffa1777fd77058cc464ad6 Mon Sep 17 00:00:00 2001
-From: popcornmix <popcornmix@gmail.com>
-Date: Wed, 17 Jan 2018 13:54:41 +0000
-Subject: [PATCH 178/277] Revert "softirq: Let ksoftirqd do its job"
-
-This reverts commit 4cd13c21b207e80ddb1144c576500098f2d5f882.
----
- kernel/softirq.c | 16 +---------------
- 1 file changed, 1 insertion(+), 15 deletions(-)
-
-diff --git a/kernel/softirq.c b/kernel/softirq.c
-index 4e09821f9d9e..58bb6f6359f4 100644
---- a/kernel/softirq.c
-+++ b/kernel/softirq.c
-@@ -77,17 +77,6 @@ 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
-@@ -324,7 +313,7 @@ asmlinkage __visible void do_softirq(void)
- 
- 	pending = local_softirq_pending();
- 
--	if (pending && !ksoftirqd_running())
-+	if (pending)
- 		do_softirq_own_stack();
- 
- 	local_irq_restore(flags);
-@@ -351,9 +340,6 @@ 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
- 		/*
--- 
-2.16.1
-