From: Keir Fraser <keir.fraser@citrix.com>
Date: Wed, 22 Oct 2008 14:07:30 +0000 (+0100)
Subject: spinlock: Add assertions for lock_irq() variants.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~14054^2~52
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=b9efe739647ddaa60f4afb136efafa1e2a3ec598;p=xen.git

spinlock: Add assertions for lock_irq() variants.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
---

diff --git a/xen/common/spinlock.c b/xen/common/spinlock.c
index 125e12d1bf..438e51deb8 100644
--- a/xen/common/spinlock.c
+++ b/xen/common/spinlock.c
@@ -9,6 +9,7 @@ void _spin_lock(spinlock_t *lock)
 
 void _spin_lock_irq(spinlock_t *lock)
 {
+    ASSERT(local_irq_is_enabled());
     local_irq_disable();
     _raw_spin_lock(&lock->raw);
 }
@@ -96,6 +97,7 @@ void _read_lock(rwlock_t *lock)
 
 void _read_lock_irq(rwlock_t *lock)
 {
+    ASSERT(local_irq_is_enabled());
     local_irq_disable();
     _raw_read_lock(&lock->raw);
 }
@@ -132,6 +134,7 @@ void _write_lock(rwlock_t *lock)
 
 void _write_lock_irq(rwlock_t *lock)
 {
+    ASSERT(local_irq_is_enabled());
     local_irq_disable();
     _raw_write_lock(&lock->raw);
 }