diff options
| author | Scott Wood <scottwood@freescale.com> | 2014-04-10 00:49:54 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-04-10 00:49:54 (GMT) |
| commit | b86c95253af2105c9824146c6569a6b0f39ab124 (patch) | |
| tree | 9100acbdc843b1081b154135000b89ee95cd10d3 /arch/arm/include | |
| parent | e5feac72dad5475167445de9af564c2d592872bb (diff) | |
| parent | 07c8b57b111585a617b2b456497fc9b33c00743c (diff) | |
| download | linux-fsl-qoriq-b86c95253af2105c9824146c6569a6b0f39ab124.tar.xz | |
Merge branch 'rtmerge' into sdk-v1.6.x
This merges 3.12.15-rt25.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Conflicts:
drivers/misc/Makefile
drivers/net/ethernet/freescale/gianfar.c
drivers/net/ethernet/freescale/gianfar_ethtool.c
drivers/net/ethernet/freescale/gianfar_sysfs.c
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/switch_to.h | 8 | ||||
| -rw-r--r-- | arch/arm/include/asm/thread_info.h | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/include/asm/switch_to.h b/arch/arm/include/asm/switch_to.h index c99e259..f3e3d80 100644 --- a/arch/arm/include/asm/switch_to.h +++ b/arch/arm/include/asm/switch_to.h @@ -3,6 +3,13 @@ #include <linux/thread_info.h> +#if defined CONFIG_PREEMPT_RT_FULL && defined CONFIG_HIGHMEM +void switch_kmaps(struct task_struct *prev_p, struct task_struct *next_p); +#else +static inline void +switch_kmaps(struct task_struct *prev_p, struct task_struct *next_p) { } +#endif + /* * For v7 SMP cores running a preemptible kernel we may be pre-empted * during a TLB maintenance operation, so execute an inner-shareable dsb @@ -22,6 +29,7 @@ extern struct task_struct *__switch_to(struct task_struct *, struct thread_info #define switch_to(prev,next,last) \ do { \ + switch_kmaps(prev, next); \ last = __switch_to(prev,task_thread_info(prev), task_thread_info(next)); \ } while (0) diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h index df5e13d..33cb511 100644 --- a/arch/arm/include/asm/thread_info.h +++ b/arch/arm/include/asm/thread_info.h @@ -60,6 +60,7 @@ struct arm_restart_block { struct thread_info { unsigned long flags; /* low level flags */ int preempt_count; /* 0 => preemptable, <0 => bug */ + int preempt_lazy_count; /* 0 => preemptable, <0 => bug */ mm_segment_t addr_limit; /* address limit */ struct task_struct *task; /* main task structure */ struct exec_domain *exec_domain; /* execution domain */ @@ -159,6 +160,7 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, #define TIF_SIGPENDING 0 #define TIF_NEED_RESCHED 1 #define TIF_NOTIFY_RESUME 2 /* callback before returning to user */ +#define TIF_NEED_RESCHED_LAZY 3 #define TIF_SYSCALL_TRACE 8 #define TIF_SYSCALL_AUDIT 9 #define TIF_SYSCALL_TRACEPOINT 10 @@ -171,6 +173,7 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) +#define _TIF_NEED_RESCHED_LAZY (1 << TIF_NEED_RESCHED_LAZY) #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) |