a6654dc76d
Changelog-entry: Rename meta-resin to meta-balena in repository Signed-off-by: Florin Sarbu <florin@balena.io>
54 lines
1.5 KiB
Diff
54 lines
1.5 KiB
Diff
From 3364d0056328b93fb10ab929ae99933af9e304ad Mon Sep 17 00:00:00 2001
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From: MilhouseVH <milhouseVH.github@nmacleod.com>
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Date: Thu, 4 Jan 2018 19:56:05 +0000
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Subject: [PATCH] Revert "softirq: Let ksoftirqd do its job"
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See: https://forum.libreelec.tv/thread/4235-dvb-issue-since-le-switched-to-kernel-4-9-x/?postID=75965#post75965
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---
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kernel/softirq.c | 16 +---------------
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1 file changed, 1 insertion(+), 15 deletions(-)
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diff --git a/kernel/softirq.c b/kernel/softirq.c
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index 4e09821..58bb6f6 100644
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--- a/kernel/softirq.c
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+++ b/kernel/softirq.c
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@@ -77,17 +77,6 @@ static void wakeup_softirqd(void)
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wake_up_process(tsk);
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}
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-/*
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- * If ksoftirqd is scheduled, we do not want to process pending softirqs
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- * right now. Let ksoftirqd handle this at its own rate, to get fairness.
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- */
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-static bool ksoftirqd_running(void)
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-{
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- struct task_struct *tsk = __this_cpu_read(ksoftirqd);
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-
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- return tsk && (tsk->state == TASK_RUNNING);
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-}
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-
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/*
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* preempt_count and SOFTIRQ_OFFSET usage:
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* - preempt_count is changed by SOFTIRQ_OFFSET on entering or leaving
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@@ -324,7 +313,7 @@ asmlinkage __visible void do_softirq(void)
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pending = local_softirq_pending();
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- if (pending && !ksoftirqd_running())
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+ if (pending)
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do_softirq_own_stack();
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local_irq_restore(flags);
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@@ -351,9 +340,6 @@ void irq_enter(void)
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static inline void invoke_softirq(void)
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{
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- if (ksoftirqd_running())
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- return;
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-
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if (!force_irqthreads) {
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#ifdef CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK
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/*
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--
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2.14.1
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