diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/ftrace.h | 48 | ||||
| -rw-r--r-- | include/linux/kvm.h | 6 | ||||
| -rw-r--r-- | include/linux/kvm_host.h | 7 | ||||
| -rw-r--r-- | include/linux/phonet.h | 1 | ||||
| -rw-r--r-- | include/linux/sched.h | 12 |
5 files changed, 52 insertions, 22 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index a3d46151be1..703eb53cfa2 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -8,7 +8,7 @@ #include <linux/types.h> #include <linux/kallsyms.h> -#ifdef CONFIG_FTRACE +#ifdef CONFIG_FUNCTION_TRACER extern int ftrace_enabled; extern int @@ -36,16 +36,14 @@ void clear_ftrace_function(void); extern void ftrace_stub(unsigned long a0, unsigned long a1); -#else /* !CONFIG_FTRACE */ +#else /* !CONFIG_FUNCTION_TRACER */ # define register_ftrace_function(ops) do { } while (0) # define unregister_ftrace_function(ops) do { } while (0) # define clear_ftrace_function(ops) do { } while (0) -static inline void ftrace_kill_atomic(void) { } -#endif /* CONFIG_FTRACE */ +static inline void ftrace_kill(void) { } +#endif /* CONFIG_FUNCTION_TRACER */ #ifdef CONFIG_DYNAMIC_FTRACE -# define FTRACE_HASHBITS 10 -# define FTRACE_HASHSIZE (1<<FTRACE_HASHBITS) enum { FTRACE_FL_FREE = (1 << 0), @@ -58,9 +56,9 @@ enum { }; struct dyn_ftrace { - struct hlist_node node; - unsigned long ip; /* address of mcount call-site */ - unsigned long flags; + struct list_head list; + unsigned long ip; /* address of mcount call-site */ + unsigned long flags; }; int ftrace_force_update(void); @@ -71,14 +69,33 @@ extern int ftrace_ip_converted(unsigned long ip); extern unsigned char *ftrace_nop_replace(void); extern unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr); extern int ftrace_dyn_arch_init(void *data); -extern int ftrace_mcount_set(unsigned long *data); -extern int ftrace_modify_code(unsigned long ip, unsigned char *old_code, - unsigned char *new_code); extern int ftrace_update_ftrace_func(ftrace_func_t func); extern void ftrace_caller(void); extern void ftrace_call(void); extern void mcount_call(void); +/** + * ftrace_modify_code - modify code segment + * @ip: the address of the code segment + * @old_code: the contents of what is expected to be there + * @new_code: the code to patch in + * + * This is a very sensitive operation and great care needs + * to be taken by the arch. The operation should carefully + * read the location, check to see if what is read is indeed + * what we expect it to be, and then on success of the compare, + * it should write to the location. + * + * Return must be: + * 0 on success + * -EFAULT on error reading the location + * -EINVAL on a failed compare of the contents + * -EPERM on error writing to the location + * Any other value will be considered a failure. + */ +extern int ftrace_modify_code(unsigned long ip, unsigned char *old_code, + unsigned char *new_code); + extern int skip_trace(unsigned long ip); extern void ftrace_release(void *start, unsigned long size); @@ -97,11 +114,10 @@ static inline void ftrace_release(void *start, unsigned long size) { } /* totally disable ftrace - can not re-enable after this */ void ftrace_kill(void); -void ftrace_kill_atomic(void); static inline void tracer_disable(void) { -#ifdef CONFIG_FTRACE +#ifdef CONFIG_FUNCTION_TRACER ftrace_enabled = 0; #endif } @@ -113,7 +129,7 @@ static inline void tracer_disable(void) */ static inline int __ftrace_enabled_save(void) { -#ifdef CONFIG_FTRACE +#ifdef CONFIG_FUNCTION_TRACER int saved_ftrace_enabled = ftrace_enabled; ftrace_enabled = 0; return saved_ftrace_enabled; @@ -124,7 +140,7 @@ static inline int __ftrace_enabled_save(void) static inline void __ftrace_enabled_restore(int enabled) { -#ifdef CONFIG_FTRACE +#ifdef CONFIG_FUNCTION_TRACER ftrace_enabled = enabled; #endif } diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 797fcd78124..f18b86fa865 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -489,6 +489,9 @@ struct kvm_assigned_pci_dev { __u32 busnr; __u32 devfn; __u32 flags; + union { + __u32 reserved[12]; + }; }; struct kvm_assigned_irq { @@ -496,6 +499,9 @@ struct kvm_assigned_irq { __u32 host_irq; __u32 guest_irq; __u32 flags; + union { + __u32 reserved[12]; + }; }; #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 3833c48fae3..bb92be2153b 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -37,6 +37,8 @@ #define KVM_REQ_UNHALT 6 #define KVM_REQ_MMU_SYNC 7 +#define KVM_USERSPACE_IRQ_SOURCE_ID 0 + struct kvm_vcpu; extern struct kmem_cache *kvm_vcpu_cache; @@ -306,15 +308,18 @@ struct kvm_assigned_dev_kernel { int host_irq; int guest_irq; int irq_requested; + int irq_source_id; struct pci_dev *dev; struct kvm *kvm; }; -void kvm_set_irq(struct kvm *kvm, int irq, int level); +void kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level); void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi); void kvm_register_irq_ack_notifier(struct kvm *kvm, struct kvm_irq_ack_notifier *kian); void kvm_unregister_irq_ack_notifier(struct kvm *kvm, struct kvm_irq_ack_notifier *kian); +int kvm_request_irq_source_id(struct kvm *kvm); +void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id); #ifdef CONFIG_DMAR int kvm_iommu_map_pages(struct kvm *kvm, gfn_t base_gfn, diff --git a/include/linux/phonet.h b/include/linux/phonet.h index c9609f9aeda..4157faa857b 100644 --- a/include/linux/phonet.h +++ b/include/linux/phonet.h @@ -72,6 +72,7 @@ struct phonetmsg { } pn_msg_u; }; #define PN_COMMON_MESSAGE 0xF0 +#define PN_COMMGR 0x10 #define PN_PREFIX 0xE0 /* resource for extended messages */ #define pn_submsg_id pn_msg_u.base.pn_submsg_id #define pn_e_submsg_id pn_msg_u.ext.pn_e_submsg_id diff --git a/include/linux/sched.h b/include/linux/sched.h index 8478f334d73..b483f39a711 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -936,7 +936,6 @@ struct sched_class { void (*enqueue_task) (struct rq *rq, struct task_struct *p, int wakeup); void (*dequeue_task) (struct rq *rq, struct task_struct *p, int sleep); void (*yield_task) (struct rq *rq); - int (*select_task_rq)(struct task_struct *p, int sync); void (*check_preempt_curr) (struct rq *rq, struct task_struct *p, int sync); @@ -944,6 +943,8 @@ struct sched_class { void (*put_prev_task) (struct rq *rq, struct task_struct *p); #ifdef CONFIG_SMP + int (*select_task_rq)(struct task_struct *p, int sync); + unsigned long (*load_balance) (struct rq *this_rq, int this_cpu, struct rq *busiest, unsigned long max_load_move, struct sched_domain *sd, enum cpu_idle_type idle, @@ -955,16 +956,17 @@ struct sched_class { void (*pre_schedule) (struct rq *this_rq, struct task_struct *task); void (*post_schedule) (struct rq *this_rq); void (*task_wake_up) (struct rq *this_rq, struct task_struct *task); -#endif - void (*set_curr_task) (struct rq *rq); - void (*task_tick) (struct rq *rq, struct task_struct *p, int queued); - void (*task_new) (struct rq *rq, struct task_struct *p); void (*set_cpus_allowed)(struct task_struct *p, const cpumask_t *newmask); void (*rq_online)(struct rq *rq); void (*rq_offline)(struct rq *rq); +#endif + + void (*set_curr_task) (struct rq *rq); + void (*task_tick) (struct rq *rq, struct task_struct *p, int queued); + void (*task_new) (struct rq *rq, struct task_struct *p); void (*switched_from) (struct rq *this_rq, struct task_struct *task, int running); |