diff options
Diffstat (limited to 'debian/patches-rt/0043-rcu-Disable-RCU_FAST_NO_HZ-on-RT.patch')
| -rw-r--r-- | debian/patches-rt/0043-rcu-Disable-RCU_FAST_NO_HZ-on-RT.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/debian/patches-rt/0043-rcu-Disable-RCU_FAST_NO_HZ-on-RT.patch b/debian/patches-rt/0043-rcu-Disable-RCU_FAST_NO_HZ-on-RT.patch new file mode 100644 index 000000000..7f601cc2e --- /dev/null +++ b/debian/patches-rt/0043-rcu-Disable-RCU_FAST_NO_HZ-on-RT.patch @@ -0,0 +1,30 @@ +From bf68f45a17d9185950e69e908fcbff3fe28f7764 Mon Sep 17 00:00:00 2001 +From: Thomas Gleixner <tglx@linutronix.de> +Date: Sun, 28 Oct 2012 13:26:09 +0000 +Subject: [PATCH 043/347] rcu: Disable RCU_FAST_NO_HZ on RT +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz + +This uses a timer_list timer from the irq disabled guts of the idle +code. Disable it for now to prevent wreckage. + +Signed-off-by: Thomas Gleixner <tglx@linutronix.de> +--- + kernel/rcu/Kconfig | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/kernel/rcu/Kconfig b/kernel/rcu/Kconfig +index 9210379c0353..644264be90f0 100644 +--- a/kernel/rcu/Kconfig ++++ b/kernel/rcu/Kconfig +@@ -172,7 +172,7 @@ config RCU_FANOUT_LEAF + + config RCU_FAST_NO_HZ + bool "Accelerate last non-dyntick-idle CPU's grace periods" +- depends on NO_HZ_COMMON && SMP && RCU_EXPERT ++ depends on NO_HZ_COMMON && SMP && RCU_EXPERT && !PREEMPT_RT_FULL + default n + help + This option permits CPUs to enter dynticks-idle state even if +-- +2.36.1 + |