RPi: update linux support patch for linux 4.14.15

projects/RPi/patches/linux/linux-01-RPi_support.patch

@@ -140524,58 +140524,6 @@ index 0000000000000000000000000000000000000000..20b2a609c511b017d1231e08c901d165
 +	};
 +};
 
-From b51e64e9ee6e723cc38a2e0b24751745ed8954b4 Mon Sep 17 00:00:00 2001
-From: popcornmix <popcornmix@gmail.com>
-Date: Wed, 17 Jan 2018 13:54:41 +0000
-Subject: [PATCH 174/201] 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 4e09821f9d9e8b5815037bd469110e2618abb7f6..58bb6f6359f4ea3fa46008060a1c9cbd12c89e25 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
- 		/*
-
 From 36db437449567b828e0e19e460a9f45f8a57fe99 Mon Sep 17 00:00:00 2001
 From: Phil Elwell <phil@raspberrypi.org>
 Date: Tue, 16 Jan 2018 12:59:17 +0000