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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:06:00 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:06:00 +0000 |
commit | b15a952c52a6825376d3e7f6c1bf5c886c6d8b74 (patch) | |
tree | 1500f2f8f276908a36d8126cb632c0d6b1276764 /debian/patches-rt/0285-genirq-Disable-irqpoll-on-rt.patch | |
parent | Adding upstream version 5.10.209. (diff) | |
download | linux-b15a952c52a6825376d3e7f6c1bf5c886c6d8b74.tar.xz linux-b15a952c52a6825376d3e7f6c1bf5c886c6d8b74.zip |
Adding debian version 5.10.209-2.debian/5.10.209-2debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | debian/patches-rt/0285-genirq-Disable-irqpoll-on-rt.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/debian/patches-rt/0285-genirq-Disable-irqpoll-on-rt.patch b/debian/patches-rt/0285-genirq-Disable-irqpoll-on-rt.patch new file mode 100644 index 000000000..8033dbbab --- /dev/null +++ b/debian/patches-rt/0285-genirq-Disable-irqpoll-on-rt.patch @@ -0,0 +1,43 @@ +From 4795907a92ad1bf9383b0c748facb436cac71e36 Mon Sep 17 00:00:00 2001 +From: Ingo Molnar <mingo@elte.hu> +Date: Fri, 3 Jul 2009 08:29:57 -0500 +Subject: [PATCH 285/323] genirq: Disable irqpoll on -rt +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz + +Creates long latencies for no value + +Signed-off-by: Ingo Molnar <mingo@elte.hu> +Signed-off-by: Thomas Gleixner <tglx@linutronix.de> +--- + kernel/irq/spurious.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c +index f865e5f4d382..dc7311dd74b1 100644 +--- a/kernel/irq/spurious.c ++++ b/kernel/irq/spurious.c +@@ -443,6 +443,10 @@ MODULE_PARM_DESC(noirqdebug, "Disable irq lockup detection when true"); + + static int __init irqfixup_setup(char *str) + { ++#ifdef CONFIG_PREEMPT_RT ++ pr_warn("irqfixup boot option not supported w/ CONFIG_PREEMPT_RT\n"); ++ return 1; ++#endif + irqfixup = 1; + printk(KERN_WARNING "Misrouted IRQ fixup support enabled.\n"); + printk(KERN_WARNING "This may impact system performance.\n"); +@@ -455,6 +459,10 @@ module_param(irqfixup, int, 0644); + + static int __init irqpoll_setup(char *str) + { ++#ifdef CONFIG_PREEMPT_RT ++ pr_warn("irqpoll boot option not supported w/ CONFIG_PREEMPT_RT\n"); ++ return 1; ++#endif + irqfixup = 2; + printk(KERN_WARNING "Misrouted IRQ fixup and polling support " + "enabled\n"); +-- +2.43.0 + |