diff options
Diffstat (limited to 'debian/patches-rt/rcu-enable-rcu_normal_after_boot-by-default-for-RT.patch')
| -rw-r--r-- | debian/patches-rt/rcu-enable-rcu_normal_after_boot-by-default-for-RT.patch | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/debian/patches-rt/rcu-enable-rcu_normal_after_boot-by-default-for-RT.patch b/debian/patches-rt/rcu-enable-rcu_normal_after_boot-by-default-for-RT.patch index 700b44f1a..a507f67d7 100644 --- a/debian/patches-rt/rcu-enable-rcu_normal_after_boot-by-default-for-RT.patch +++ b/debian/patches-rt/rcu-enable-rcu_normal_after_boot-by-default-for-RT.patch @@ -1,7 +1,7 @@ From: Julia Cartwright <julia@ni.com> Date: Wed, 12 Oct 2016 11:21:14 -0500 Subject: [PATCH] rcu: enable rcu_normal_after_boot by default for RT -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.0/older/patches-5.0.10-rt7.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.2/older/patches-5.2-rt1.tar.xz The forcing of an expedited grace period is an expensive and very RT-application unfriendly operation, as it forcibly preempts all running @@ -15,17 +15,20 @@ Acked-by: Paul E. McKenney <paulmck@linux.ibm.com> Signed-off-by: Julia Cartwright <julia@ni.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- - kernel/rcu/update.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) + kernel/rcu/update.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) --- a/kernel/rcu/update.c +++ b/kernel/rcu/update.c -@@ -68,7 +68,7 @@ extern int rcu_expedited; /* from sysctl +@@ -55,8 +55,10 @@ extern int rcu_expedited; /* from sysctl module_param(rcu_expedited, int, 0); extern int rcu_normal; /* from sysctl */ module_param(rcu_normal, int, 0); -static int rcu_normal_after_boot; +static int rcu_normal_after_boot = IS_ENABLED(CONFIG_PREEMPT_RT_FULL); ++#ifndef CONFIG_PREEMPT_RT_FULL module_param(rcu_normal_after_boot, int, 0); ++#endif #endif /* #ifndef CONFIG_TINY_RCU */ + #ifdef CONFIG_DEBUG_LOCK_ALLOC |