Dear RT Folks, I'm pleased to announce the 3.8.13-rt13 release. changes since v3.8.13-rt12: - added a patch from Paul Gortmaker to use raw_spin_lock instead of bit spinlocks list_bl.h The delta patch against v3.8.13-rt12 is appended below and can be found here: https://www.kernel.org/pub/linux/kernel/projects/rt/3.8/incr/patch-3.8.13-rt12-rt13.patch.xz The RT patch against 3.8.13 can be found here: https://www.kernel.org/pub/linux/kernel/projects/rt/3.8/patch-3.8.13-rt13.patch.xz The split quilt queue is available at: https://www.kernel.org/pub/linux/kernel/projects/rt/3.8/patches-3.8.13-rt13.tar.xz Sebastian diff --git a/include/linux/list_bl.h b/include/linux/list_bl.h index 31f9d75..ddfd46a 100644 --- a/include/linux/list_bl.h +++ b/include/linux/list_bl.h @@ -2,6 +2,7 @@ #define _LINUX_LIST_BL_H #include <linux/list.h> +#include <linux/spinlock.h> #include <linux/bit_spinlock.h> /* @@ -32,13 +33,22 @@ struct hlist_bl_head { struct hlist_bl_node *first; +#ifdef CONFIG_PREEMPT_RT_BASE + raw_spinlock_t lock; +#endif }; struct hlist_bl_node { struct hlist_bl_node *next, **pprev; }; -#define INIT_HLIST_BL_HEAD(ptr) \ - ((ptr)->first = NULL) + +static inline void INIT_HLIST_BL_HEAD(struct hlist_bl_head *h) +{ + h->first = NULL; +#ifdef CONFIG_PREEMPT_RT_BASE + raw_spin_lock_init(&h->lock); +#endif +} static inline void INIT_HLIST_BL_NODE(struct hlist_bl_node *h) { @@ -117,12 +127,22 @@ static inline void hlist_bl_del_init(struct hlist_bl_node *n) static inline void hlist_bl_lock(struct hlist_bl_head *b) { +#ifndef CONFIG_PREEMPT_RT_BASE bit_spin_lock(0, (unsigned long *)b); +#else + raw_spin_lock(&b->lock); + __set_bit(0, (unsigned long *)b); +#endif } static inline void hlist_bl_unlock(struct hlist_bl_head *b) { +#ifndef CONFIG_PREEMPT_RT_BASE __bit_spin_unlock(0, (unsigned long *)b); +#else + __clear_bit(0, (unsigned long *)b); + raw_spin_unlock(&b->lock); +#endif } /** diff --git a/localversion-rt b/localversion-rt index 6e44e54..9f7d0bd 100644 --- a/localversion-rt +++ b/localversion-rt @@ -1 +1 @@ --rt12 +-rt13 -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
