diff options
Diffstat (limited to 'debian/patches-rt/srcu-replace-local_irqsave-with-a-locallock.patch')
| -rw-r--r-- | debian/patches-rt/srcu-replace-local_irqsave-with-a-locallock.patch | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/debian/patches-rt/srcu-replace-local_irqsave-with-a-locallock.patch b/debian/patches-rt/srcu-replace-local_irqsave-with-a-locallock.patch index 10f82a27a..b7ed5ae77 100644 --- a/debian/patches-rt/srcu-replace-local_irqsave-with-a-locallock.patch +++ b/debian/patches-rt/srcu-replace-local_irqsave-with-a-locallock.patch @@ -1,7 +1,7 @@ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Thu, 12 Oct 2017 18:37:12 +0200 Subject: [PATCH] srcu: replace local_irqsave() with a locallock -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 There are two instances which disable interrupts in order to become a stable this_cpu_ptr() pointer. The restore part is coupled with @@ -16,7 +16,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- a/kernel/rcu/srcutree.c +++ b/kernel/rcu/srcutree.c -@@ -38,6 +38,7 @@ +@@ -25,6 +25,7 @@ #include <linux/delay.h> #include <linux/module.h> #include <linux/srcu.h> @@ -24,7 +24,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> #include "rcu.h" #include "rcu_segcblist.h" -@@ -752,6 +753,7 @@ static void srcu_flip(struct srcu_struct +@@ -735,6 +736,7 @@ static void srcu_flip(struct srcu_struct smp_mb(); /* D */ /* Pairs with C. */ } @@ -32,7 +32,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> /* * If SRCU is likely idle, return true, otherwise return false. * -@@ -781,13 +783,13 @@ static bool srcu_might_be_idle(struct sr +@@ -764,13 +766,13 @@ static bool srcu_might_be_idle(struct sr unsigned long t; /* If the local srcu_data structure has callbacks, not idle. */ @@ -49,7 +49,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> /* * No local callbacks, so probabalistically probe global state. -@@ -867,7 +869,7 @@ void __call_srcu(struct srcu_struct *ssp +@@ -850,7 +852,7 @@ void __call_srcu(struct srcu_struct *ssp } rhp->func = func; idx = srcu_read_lock(ssp); @@ -58,7 +58,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> sdp = this_cpu_ptr(ssp->sda); spin_lock_rcu_node(sdp); rcu_segcblist_enqueue(&sdp->srcu_cblist, rhp, false); -@@ -883,7 +885,8 @@ void __call_srcu(struct srcu_struct *ssp +@@ -866,7 +868,8 @@ void __call_srcu(struct srcu_struct *ssp sdp->srcu_gp_seq_needed_exp = s; needexp = true; } |